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  • Study design Case studies. Objectives To demonstrate that muscle generated pain (MGP) may be a cause of pain in patients who have undergone minimally invasive spine surgery (MISS). Methods A physical examination including electrical stimulation of putative pain generating muscles to identify the presence of lowered thresholds for depolarization of muscle nociceptors, and an examination of strength and flexibility of key muscles in the upper and lower body, may identify multiple etiologies of MGP. Treatment of identified muscles consisted of muscle/tendon injections to identified sensitized muscles followed by exercises incorporating relaxation limbering and stretching. Results Postsurgical pain was eliminated and mobility restored in both presented cases replicating success in prior published studies. Conclusions Understanding the pathophysiological mechanisms of muscle pain may facilitate the evaluation and treatment of MGP in MISS patients diagnosed with failed **** surgery syndrome.Study design Review article. Objective A review of the literature on current strategies utilized in intervertebral regeneration and repair efforts. Methods A review of the literature and analysis of the data to provide an updated review on current concepts of intervertebral disc repair and regeneration efforts. Results Multiple regenerative strategies for intervertebral disc regeneration are being employed to reduce pain and improve quality of life. Current promising strategies include molecular therapy, gene therapy, cell-based therapy, and augmentation with biomaterials. Multiple clinical trials studying biologic, cell-based, and scaffold-based injectable therapies are currently being investigated. Conclusion Low **** pain due to intervertebral disc disease represents a significant health and societal burden. Current promising strategies include molecular therapy, gene therapy, cell-based therapy, and augmentation with biomaterials. To date, there are no Food and Drug Administration-approved intradiscal therapies for discogenic **** pain, and there are no large randomized trials that have shown clinically significant improvement with any investigational regenerative treatment. Multiple clinical trials studying biologic, cell-based, or scaffold-based injectable therapies are being currently investigated.Study design Literature review and transversal study. Objective Advances in new technologies give the surgeons confidence to manage complex spine conditions with a lower morbidity rate. This has changed the expectations of patients and medical payers and foreshadows the shift now underway the use of minimally invasive techniques. The ethical considerations of learning directly on patients require a change in the education and training programs. Methods The education paradigm has changed, and surgical training on minimally invasive surgery of the spine (MISS) techniques should follow a "curriculum." The assessment of skill proficiency while learning the MISS techniques must be measurable to objectively show the performance gained over time and the changes that should be performed during training. Different strategies include "ex vivo" and "in vivo" training. https://www.selleckchem.com/products/iwp-4.html Results We have worked on a curriculum in which the participants can perceive the growth in their knowledge through the different educational opportunities. There are 3 levels basic, advanced, and masters. Conclusions We developed an educational curriculum for MISS rationale and techniques, that showed to be effective and interesting in our region.The purpose of this review is to describe how a curriculum for minimally invasive spine surgery (MISS) was developed and implemented. The authors discuss the curriculum roadmap, its target audience, and the educational process for teaching general skills and specific procedures in MISS. Initiated by AOSpine, a panel of experts within spinal surgery from multiple centers formed the minimally invasive spine surgery task force. Together, task force members redefined the standards and milestones of the MISS education and training. Therefore, we conclude that the MISS task force created a structured curriculum which will have a positive influence on daily practice for surgeons and patients worldwide.Study design International consensus paper on a unified nomenclature for full-endoscopic spine surgery. Objectives Minimally invasive endoscopic spinal procedures have undergone rapid development during the past decade. Evolution of working-channel endoscopes and surgical instruments as well as innovation in surgical techniques have expanded the types of spinal pathology that can be addressed. However, there is in the literature a heterogeneous nomenclature defining approach corridors and procedures, and this lack of common language has hampered communication between endoscopic spine surgeons, patients, hospitals, and insurance providers. Methods The current report summarizes the nomenclature reported for working-channel endoscopic procedures that address cervical, thoracic, and lumbar spinal pathology. Results We propose a uniform system that defines the working-channel endoscope (full-endoscopic), approach corridor (anterior, posterior, interlaminar, transforaminal), spinal segment (cervical, thoracic, lumbar), and procedure performed (eg, discectomy, foraminotomy). We suggest the following nomenclature for the most common full-endoscopic procedures posterior endoscopic cervical foraminotomy (PECF), transforaminal endoscopic thoracic discectomy (TETD), transforaminal endoscopic lumbar discectomy (TELD), transforaminal lumbar foraminotomy (TELF), interlaminar endoscopic lumbar discectomy (IELD), interlaminar endoscopic lateral recess decompression (IE-LRD), and lumbar endoscopic unilateral laminotomy for bilateral decompression (LE-ULBD). Conclusions We believe that it is critical to delineate a consensus nomenclature to facilitate uniformity of working-channel endoscopic procedures within academic scholarship. This will hopefully facilitate development, standardization of procedures, teaching, and widespread acceptance of full-endoscopic spinal procedures.Study design Review of the literature. Objectives Anterior column realignment (ACR) is a powerful but relatively new minimally invasive technique for deformity correction. The purpose of this study is to provide a literature review of the ACR surgical technique, reported outcomes, and future directions. Methods A review of the literature was performed regarding the ACR technique. A review of patients at our single center who underwent ACR was performed, with illustrative cases selected to demonstrate basic and nuanced aspects of the technique. Results Clinical and cadaveric studies report increases in segmental lordosis in the lumbar spine by 73%, approximately 10° to 33°, depending on the degree of posterior osteotomy and lordosis of the hyperlordosis interbody spacer. These corrections have been found to be associated with a similar risk profile compared with traditional surgical options, including a 30% to 43% risk of proximal junctional kyphosis in early studies. Conclusions ACR represents a powerful technique in the minimally invasive spinal surgeon's toolbox for treatment of complex adult spinal deformity.
    Study design Case studies. Objectives To demonstrate that muscle generated pain (MGP) may be a cause of pain in patients who have undergone minimally invasive spine surgery (MISS). Methods A physical examination including electrical stimulation of putative pain generating muscles to identify the presence of lowered thresholds for depolarization of muscle nociceptors, and an examination of strength and flexibility of key muscles in the upper and lower body, may identify multiple etiologies of MGP. Treatment of identified muscles consisted of muscle/tendon injections to identified sensitized muscles followed by exercises incorporating relaxation limbering and stretching. Results Postsurgical pain was eliminated and mobility restored in both presented cases replicating success in prior published studies. Conclusions Understanding the pathophysiological mechanisms of muscle pain may facilitate the evaluation and treatment of MGP in MISS patients diagnosed with failed back surgery syndrome.Study design Review article. Objective A review of the literature on current strategies utilized in intervertebral regeneration and repair efforts. Methods A review of the literature and analysis of the data to provide an updated review on current concepts of intervertebral disc repair and regeneration efforts. Results Multiple regenerative strategies for intervertebral disc regeneration are being employed to reduce pain and improve quality of life. Current promising strategies include molecular therapy, gene therapy, cell-based therapy, and augmentation with biomaterials. Multiple clinical trials studying biologic, cell-based, and scaffold-based injectable therapies are currently being investigated. Conclusion Low back pain due to intervertebral disc disease represents a significant health and societal burden. Current promising strategies include molecular therapy, gene therapy, cell-based therapy, and augmentation with biomaterials. To date, there are no Food and Drug Administration-approved intradiscal therapies for discogenic back pain, and there are no large randomized trials that have shown clinically significant improvement with any investigational regenerative treatment. Multiple clinical trials studying biologic, cell-based, or scaffold-based injectable therapies are being currently investigated.Study design Literature review and transversal study. Objective Advances in new technologies give the surgeons confidence to manage complex spine conditions with a lower morbidity rate. This has changed the expectations of patients and medical payers and foreshadows the shift now underway the use of minimally invasive techniques. The ethical considerations of learning directly on patients require a change in the education and training programs. Methods The education paradigm has changed, and surgical training on minimally invasive surgery of the spine (MISS) techniques should follow a "curriculum." The assessment of skill proficiency while learning the MISS techniques must be measurable to objectively show the performance gained over time and the changes that should be performed during training. Different strategies include "ex vivo" and "in vivo" training. https://www.selleckchem.com/products/iwp-4.html Results We have worked on a curriculum in which the participants can perceive the growth in their knowledge through the different educational opportunities. There are 3 levels basic, advanced, and masters. Conclusions We developed an educational curriculum for MISS rationale and techniques, that showed to be effective and interesting in our region.The purpose of this review is to describe how a curriculum for minimally invasive spine surgery (MISS) was developed and implemented. The authors discuss the curriculum roadmap, its target audience, and the educational process for teaching general skills and specific procedures in MISS. Initiated by AOSpine, a panel of experts within spinal surgery from multiple centers formed the minimally invasive spine surgery task force. Together, task force members redefined the standards and milestones of the MISS education and training. Therefore, we conclude that the MISS task force created a structured curriculum which will have a positive influence on daily practice for surgeons and patients worldwide.Study design International consensus paper on a unified nomenclature for full-endoscopic spine surgery. Objectives Minimally invasive endoscopic spinal procedures have undergone rapid development during the past decade. Evolution of working-channel endoscopes and surgical instruments as well as innovation in surgical techniques have expanded the types of spinal pathology that can be addressed. However, there is in the literature a heterogeneous nomenclature defining approach corridors and procedures, and this lack of common language has hampered communication between endoscopic spine surgeons, patients, hospitals, and insurance providers. Methods The current report summarizes the nomenclature reported for working-channel endoscopic procedures that address cervical, thoracic, and lumbar spinal pathology. Results We propose a uniform system that defines the working-channel endoscope (full-endoscopic), approach corridor (anterior, posterior, interlaminar, transforaminal), spinal segment (cervical, thoracic, lumbar), and procedure performed (eg, discectomy, foraminotomy). We suggest the following nomenclature for the most common full-endoscopic procedures posterior endoscopic cervical foraminotomy (PECF), transforaminal endoscopic thoracic discectomy (TETD), transforaminal endoscopic lumbar discectomy (TELD), transforaminal lumbar foraminotomy (TELF), interlaminar endoscopic lumbar discectomy (IELD), interlaminar endoscopic lateral recess decompression (IE-LRD), and lumbar endoscopic unilateral laminotomy for bilateral decompression (LE-ULBD). Conclusions We believe that it is critical to delineate a consensus nomenclature to facilitate uniformity of working-channel endoscopic procedures within academic scholarship. This will hopefully facilitate development, standardization of procedures, teaching, and widespread acceptance of full-endoscopic spinal procedures.Study design Review of the literature. Objectives Anterior column realignment (ACR) is a powerful but relatively new minimally invasive technique for deformity correction. The purpose of this study is to provide a literature review of the ACR surgical technique, reported outcomes, and future directions. Methods A review of the literature was performed regarding the ACR technique. A review of patients at our single center who underwent ACR was performed, with illustrative cases selected to demonstrate basic and nuanced aspects of the technique. Results Clinical and cadaveric studies report increases in segmental lordosis in the lumbar spine by 73%, approximately 10° to 33°, depending on the degree of posterior osteotomy and lordosis of the hyperlordosis interbody spacer. These corrections have been found to be associated with a similar risk profile compared with traditional surgical options, including a 30% to 43% risk of proximal junctional kyphosis in early studies. Conclusions ACR represents a powerful technique in the minimally invasive spinal surgeon's toolbox for treatment of complex adult spinal deformity.
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  • The neuropeptide arginine-vasopressin (AVP) has long been implicated in the regulation of social behavior and communication in diverse taxa, but the source of AVP release relevant for behavior has not been precisely determined. Potential sources include hypothalamic cell populations such as the paraventricular (PVN), supraoptic, and suprachiasmatic nuclei, as well as extrahypothalamic cell groups in the extended amygdala. To address if AVP cells in the PVN are important for mouse social communication, we deleted PVN AVP-expressing cells using viral-mediated delivery of Cre-dependent caspase-9 suicide construct into the PVN of AVP-Cre-positive **** (expressing Cre-recombinase under the control of the AVP promoter) or AVP-Cre-negative littermate controls, and assessed their levels of social investigation, social communication, anxiety, sex behavior, and aggression. We found that these lesions increased social investigation in females, but not in males. However, in males but not in females, these lesions increased non-social anxiety-related behaviors in the elevated-plus maze. These results therefore point at differential involvement of PVN AVP-expressing cells in the context of social and emotional behavior in the two sexes, which may contribute to sex differences in social communication and anxiety disorders.Objective The artificial urinary sphincter (AUS) is the surgical gold standard after previously failed surgical treatment for male urinary stress incontinence. The evidence for a male sling as salvage treatment is poor, but there is a proportion of patients that refuse implantation of an AUS or have a relative contraindication. The goal of our retrospective study was an analysis of outcome and complications of patients with a secondary sling after previously failed surgery for stress urinary incontinence (SUI). Materials and methods Data on 186 patients who had a prior incontinence surgery were extracted from the DOMINO database. 139 patients (74.7%) received an AUS and 41 patients (22.0%) who had received a secondary sling system between 2010 and 2012 after previously failed surgery for male urinary incontinence could be identified and were further analyzed. Results Eight patients (19.5%) received a secondary repositioning sling and 33 patients (80.5%) received a secondary adjustable sling system. A prior surgery for urethral stricture was performed in 4 patients (9.8%). No major intraoperative complications were reported. A simultaneous explantation was performed in 12 patients (29.3%). The mean number of pad reductions was 4.93 (p = 0.026). No intraoperative complications and no postoperative surgical revisions were reported. The mean follow-up of the patient cohort with a secondary sling was 16 months. Conclusion We provide the largest cohort of male patients up to date with a secondary sling after primary failure of surgery for male SUI. Although the procedure is a rarely performed surgery and without a high level of evidence, a secondary adjustable male sling system might be a feasible option in selected patients with acceptable complication rates, whereas a valuable outcome regarding continence rates cannot be sufficiently supplied by our data.Background Non-clear cell renal cell cancers (nccRCC) are rare entities, and the optimal therapy in metastatic disease has still to be defined. Methods In this small prospectively randomized phase IIa multicenter trial, we investigated temsirolimus (TEM) versus sunitinib (SUN) as first-line therapy in patients with metastatic nccRCC. The patients were randomized 11 to either TEM in a dose of 25 mg i.v. once a week or SUN with 50 mg p.o. daily for 4 weeks on and 2 weeks off. https://www.selleckchem.com/products/cepharanthine.html Primary endpoint was progression-free survival (PFS). In total, 22 patients were included with predominantly papillary RCC (16/22) followed by chromophobe RCC and others. Results The male to female ratio was 166. The tumor control rate (CR + PR + SD) was 58% for TEM and 90% for SUN-treated patients. There was also a trend for improved PFS with 9.3 versus 13.2 months (HR 1.64; 95% CI 0.65-4.18) in favor of SUN. There was no trend for overall survival. Conclusions Despite this trial had to be terminated earlier due to low recruitment, the results match the other studies published so far with the mTOR inhibitor everolimus and SUN, which show a trend in favor of SUN for ORR and PFS.Background Left atrial (LA) dilatation in patients with atrial fibrillation (AF) can induce functional mitral regurgitation (MR) despite a preserved left ventricular ejection fraction (LVEF). The purpose of this study was to investigate the etiology of this functional MR. Methods We retrospectively examined clinical and echocardiographic data from 5,202 consecutive cases that underwent transthoracic echocardiography. AF appeared in 544 patients, and we selected 159 with AF and LVEF ≥50% after excluding patients with other underlying heart diseases. Results Significant (moderate or greater) degrees of functional MR were seen in 13 (8.2%) patients and were more frequently seen in patients with an AF duration of >10 years than in others (27 vs. 4%, p = 0.0057). Multiple regression analysis revealed that both the LA dimension index and the left ventricular (LV) systolic dimension index were independent determinants of the MR grading. Among the mitral morphologic parameters, the mitral annular (MA) dimension index and the hamstringing phenomenon of the posterior mitral leaflet were independent determinants of MR grading. Significant MR was not seen in patients without LA dilatations, but it occurred in 14% of patients with LA dilatation alone and in 55% with both LA and LV dilatations; the MA dimension index increased in this order. Conclusions The grading of functional MR occurring in patients with AF and preserved LVEF depends on both the LA dimension and the LV systolic dimension. The MR grading also depends on both the MA dilatation and the hamstringing phenomenon of the posterior mitral leaflet.A biobank is an organized collection of biological human material and its associated information stored for research according to regulations under institutional responsibility, without commercial purposes, being a mandatory and strategical activity for research, regenerative medicine, and innovation. Stem cells have largely been employed in research and frequently stored in biobanks, which have been used as an essential source of biological materials. Stem cells of human exfoliated deciduous teeth (SHED) are stem cells which have a high multipotency and can be easily obtained. Besides, this extremely accessible tissue has advantages with respect to storage, as the SHED obtained in childhood can be used in later life, which implies the necessity for the creation and regulation of biobanks. The proper planning for the creation of a biobank includes knowledge of the material types to be stored, requirements regarding handling and storage conditions, storage time, and room for the number of samples. Thus, this study aimed to establish an overview of the development of a SHED biobank.
    The neuropeptide arginine-vasopressin (AVP) has long been implicated in the regulation of social behavior and communication in diverse taxa, but the source of AVP release relevant for behavior has not been precisely determined. Potential sources include hypothalamic cell populations such as the paraventricular (PVN), supraoptic, and suprachiasmatic nuclei, as well as extrahypothalamic cell groups in the extended amygdala. To address if AVP cells in the PVN are important for mouse social communication, we deleted PVN AVP-expressing cells using viral-mediated delivery of Cre-dependent caspase-9 suicide construct into the PVN of AVP-Cre-positive mice (expressing Cre-recombinase under the control of the AVP promoter) or AVP-Cre-negative littermate controls, and assessed their levels of social investigation, social communication, anxiety, sex behavior, and aggression. We found that these lesions increased social investigation in females, but not in males. However, in males but not in females, these lesions increased non-social anxiety-related behaviors in the elevated-plus maze. These results therefore point at differential involvement of PVN AVP-expressing cells in the context of social and emotional behavior in the two sexes, which may contribute to sex differences in social communication and anxiety disorders.Objective The artificial urinary sphincter (AUS) is the surgical gold standard after previously failed surgical treatment for male urinary stress incontinence. The evidence for a male sling as salvage treatment is poor, but there is a proportion of patients that refuse implantation of an AUS or have a relative contraindication. The goal of our retrospective study was an analysis of outcome and complications of patients with a secondary sling after previously failed surgery for stress urinary incontinence (SUI). Materials and methods Data on 186 patients who had a prior incontinence surgery were extracted from the DOMINO database. 139 patients (74.7%) received an AUS and 41 patients (22.0%) who had received a secondary sling system between 2010 and 2012 after previously failed surgery for male urinary incontinence could be identified and were further analyzed. Results Eight patients (19.5%) received a secondary repositioning sling and 33 patients (80.5%) received a secondary adjustable sling system. A prior surgery for urethral stricture was performed in 4 patients (9.8%). No major intraoperative complications were reported. A simultaneous explantation was performed in 12 patients (29.3%). The mean number of pad reductions was 4.93 (p = 0.026). No intraoperative complications and no postoperative surgical revisions were reported. The mean follow-up of the patient cohort with a secondary sling was 16 months. Conclusion We provide the largest cohort of male patients up to date with a secondary sling after primary failure of surgery for male SUI. Although the procedure is a rarely performed surgery and without a high level of evidence, a secondary adjustable male sling system might be a feasible option in selected patients with acceptable complication rates, whereas a valuable outcome regarding continence rates cannot be sufficiently supplied by our data.Background Non-clear cell renal cell cancers (nccRCC) are rare entities, and the optimal therapy in metastatic disease has still to be defined. Methods In this small prospectively randomized phase IIa multicenter trial, we investigated temsirolimus (TEM) versus sunitinib (SUN) as first-line therapy in patients with metastatic nccRCC. The patients were randomized 11 to either TEM in a dose of 25 mg i.v. once a week or SUN with 50 mg p.o. daily for 4 weeks on and 2 weeks off. https://www.selleckchem.com/products/cepharanthine.html Primary endpoint was progression-free survival (PFS). In total, 22 patients were included with predominantly papillary RCC (16/22) followed by chromophobe RCC and others. Results The male to female ratio was 166. The tumor control rate (CR + PR + SD) was 58% for TEM and 90% for SUN-treated patients. There was also a trend for improved PFS with 9.3 versus 13.2 months (HR 1.64; 95% CI 0.65-4.18) in favor of SUN. There was no trend for overall survival. Conclusions Despite this trial had to be terminated earlier due to low recruitment, the results match the other studies published so far with the mTOR inhibitor everolimus and SUN, which show a trend in favor of SUN for ORR and PFS.Background Left atrial (LA) dilatation in patients with atrial fibrillation (AF) can induce functional mitral regurgitation (MR) despite a preserved left ventricular ejection fraction (LVEF). The purpose of this study was to investigate the etiology of this functional MR. Methods We retrospectively examined clinical and echocardiographic data from 5,202 consecutive cases that underwent transthoracic echocardiography. AF appeared in 544 patients, and we selected 159 with AF and LVEF ≥50% after excluding patients with other underlying heart diseases. Results Significant (moderate or greater) degrees of functional MR were seen in 13 (8.2%) patients and were more frequently seen in patients with an AF duration of >10 years than in others (27 vs. 4%, p = 0.0057). Multiple regression analysis revealed that both the LA dimension index and the left ventricular (LV) systolic dimension index were independent determinants of the MR grading. Among the mitral morphologic parameters, the mitral annular (MA) dimension index and the hamstringing phenomenon of the posterior mitral leaflet were independent determinants of MR grading. Significant MR was not seen in patients without LA dilatations, but it occurred in 14% of patients with LA dilatation alone and in 55% with both LA and LV dilatations; the MA dimension index increased in this order. Conclusions The grading of functional MR occurring in patients with AF and preserved LVEF depends on both the LA dimension and the LV systolic dimension. The MR grading also depends on both the MA dilatation and the hamstringing phenomenon of the posterior mitral leaflet.A biobank is an organized collection of biological human material and its associated information stored for research according to regulations under institutional responsibility, without commercial purposes, being a mandatory and strategical activity for research, regenerative medicine, and innovation. Stem cells have largely been employed in research and frequently stored in biobanks, which have been used as an essential source of biological materials. Stem cells of human exfoliated deciduous teeth (SHED) are stem cells which have a high multipotency and can be easily obtained. Besides, this extremely accessible tissue has advantages with respect to storage, as the SHED obtained in childhood can be used in later life, which implies the necessity for the creation and regulation of biobanks. The proper planning for the creation of a biobank includes knowledge of the material types to be stored, requirements regarding handling and storage conditions, storage time, and room for the number of samples. Thus, this study aimed to establish an overview of the development of a SHED biobank.
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  • . MCAs acknowledged added value of providing additional information on topics that they address during the early postpartum period. MCAs as well as clinicians and administrators would guide parents to such a platform for additional support. All user groups experienced disadvantages of using an authentication procedure and filling out extra questionnaires to receive tailored information. Conclusions Our research shows that parents of newborns, MCAs, and clinicians and administrators foresee the additional value of a web-based postpartum platform for at least the whole postpartum period. The platform should be easily accessible and personalized. Content on the platform should contain information regarding breastfeeding, growth, and developmental milestones. A chat function with professionals could be considered as an option.Background Coronavirus disease (COVID-19) has affected more than 200 countries and territories worldwide. This disease poses an extraordinary challenge for public health systems because screening and surveillance capacity is often severely limited, especially during the beginning of the outbreak; this can fuel the outbreak, as many patients can unknowingly infect other people. Objective The aim of this study was to collect and analyze posts related to COVID-19 on Weibo, a popular Twitter-like social media site in China. To our knowledge, this infoveillance study employs the largest, most comprehensive, and most fine-grained social media data to date to predict COVID-19 case counts in mainland China. Methods We built a Weibo user pool of 250 million people, approximately half the entire monthly active Weibo user population. Using a comprehensive list of 167 keywords, we retrieved and analyzed around 15 million COVID-19-related posts from our user pool from November 1, 2019 to March 31, 2020. We developed a macion cases and inform timely responses. Researchers and disease control agencies should pay close attention to the social media infosphere regarding COVID-19. In addition to monitoring overall search and posting activities, leveraging machine learning approaches and theoretical understanding of information sharing behaviors is a promising approach to identify true disease signals and improve the effectiveness of infoveillance.Background The use of health apps to support the treatment of chronic pain is gaining importance. Most available pain management apps are still lacking in content quality and quantity as their developers neither involve health experts to ensure target group suitability nor use gamification to engage and motivate the user. To close this gap, we aimed to develop a gamified pain management app, Pain-Mentor. Objective To determine whether medical professionals would approve of Pain-Mentor's concept and content, this study aimed to evaluate the quality of the app's first prototype with experts from the field of chronic pain management and to discover necessary improvements. Methods A total of 11 health professionals with a background in chronic pain treatment and 2 mobile health experts participated in this study. Each expert first received a detailed presentation of the app. Afterward, they tested Pain-Mentor and then rated its quality using the mobile application rating scale (MARS) in a semistructured interviewep in the development of Pain-Mentor.This article deals with the problem of H∞ and l2-l∞ filtering for discrete-time Takagi-Sugeno fuzzy nonhomogeneous Markov jump systems with quantization effects, respectively. The time-varying transition probabilities are in a polytope set. To reduce conservativeness, a mode-dependent logarithmic quantizer is considered in this article. Based on the fuzzy-rule-dependent Lyapunov function, sufficient conditions are given such that the filtering error system is stochastically stable and has a prescribed H∞ or l2-l∞ performance index, respectively. Finally, a practical example is provided to illustrate the effectiveness of the proposed fuzzy filter design methods.In this article, the problem of distributed hierarchical fault-tolerant containment control for heterogeneous linear multiagent systems (MASs) is investigated. In most of the existing distributed methods for MASs with system failures, each agent broadcasts its state, or output, or the estimation of state to neighbors. Once an agent is subjected system failures, faults affect the dynamics of other agents over the network, that is, the influence of faults on the agent will propagate with the network. In order to overcome this drawback, a fault-tolerant hierarchical containment control protocol is developed, which includes two layers 1) the upper layer and 2) the lower layer. The upper layer consists of a virtual system and a cooperative controller to achieve a virtual containment objective. The lower layer consists of an actual system and a fault-tolerant controller to track the upper layer virtual system. Compared with the existing results, the phenomenon of fault propagation can be avoided by introducing the hierarchical design approach, that is, the fault of agent i only affects the dynamics of itself, and does not affect the dynamics of other agents through the network. It is shown that each follower converges asymptotically to a convex hull spanned by leaders with external input. https://www.selleckchem.com/products/h2dcfda.html Finally, the developed method is demonstrated by simulation results.This article is concerned with set-membership global estimation for a networked system under unknown-but-bounded process and measurement noises. First, a group of local set-membership estimators is deployed to obtain the local ellipsoidal estimate of the true system state. Each estimator is capable of communicating with its neighbors within its communication range. Second, a global estimation approach is proposed which generates a trace-maximal ellipsoid within the intersection of all the local estimation sets with an aim to improve the difference of the local estimate at each time instant. Sufficient conditions for providing a global estimate under both complete and incomplete measurement transmissions are derived. Third, as an application, a modified distributed photovoltaic grid-connected generation system is provided to verify the effectiveness of the developed set-membership global estimation approach. Furthermore, an islanding fault detection scheme is derived based on the calculated global ellipsoidal estimate.
    . MCAs acknowledged added value of providing additional information on topics that they address during the early postpartum period. MCAs as well as clinicians and administrators would guide parents to such a platform for additional support. All user groups experienced disadvantages of using an authentication procedure and filling out extra questionnaires to receive tailored information. Conclusions Our research shows that parents of newborns, MCAs, and clinicians and administrators foresee the additional value of a web-based postpartum platform for at least the whole postpartum period. The platform should be easily accessible and personalized. Content on the platform should contain information regarding breastfeeding, growth, and developmental milestones. A chat function with professionals could be considered as an option.Background Coronavirus disease (COVID-19) has affected more than 200 countries and territories worldwide. This disease poses an extraordinary challenge for public health systems because screening and surveillance capacity is often severely limited, especially during the beginning of the outbreak; this can fuel the outbreak, as many patients can unknowingly infect other people. Objective The aim of this study was to collect and analyze posts related to COVID-19 on Weibo, a popular Twitter-like social media site in China. To our knowledge, this infoveillance study employs the largest, most comprehensive, and most fine-grained social media data to date to predict COVID-19 case counts in mainland China. Methods We built a Weibo user pool of 250 million people, approximately half the entire monthly active Weibo user population. Using a comprehensive list of 167 keywords, we retrieved and analyzed around 15 million COVID-19-related posts from our user pool from November 1, 2019 to March 31, 2020. We developed a macion cases and inform timely responses. Researchers and disease control agencies should pay close attention to the social media infosphere regarding COVID-19. In addition to monitoring overall search and posting activities, leveraging machine learning approaches and theoretical understanding of information sharing behaviors is a promising approach to identify true disease signals and improve the effectiveness of infoveillance.Background The use of health apps to support the treatment of chronic pain is gaining importance. Most available pain management apps are still lacking in content quality and quantity as their developers neither involve health experts to ensure target group suitability nor use gamification to engage and motivate the user. To close this gap, we aimed to develop a gamified pain management app, Pain-Mentor. Objective To determine whether medical professionals would approve of Pain-Mentor's concept and content, this study aimed to evaluate the quality of the app's first prototype with experts from the field of chronic pain management and to discover necessary improvements. Methods A total of 11 health professionals with a background in chronic pain treatment and 2 mobile health experts participated in this study. Each expert first received a detailed presentation of the app. Afterward, they tested Pain-Mentor and then rated its quality using the mobile application rating scale (MARS) in a semistructured interviewep in the development of Pain-Mentor.This article deals with the problem of H∞ and l2-l∞ filtering for discrete-time Takagi-Sugeno fuzzy nonhomogeneous Markov jump systems with quantization effects, respectively. The time-varying transition probabilities are in a polytope set. To reduce conservativeness, a mode-dependent logarithmic quantizer is considered in this article. Based on the fuzzy-rule-dependent Lyapunov function, sufficient conditions are given such that the filtering error system is stochastically stable and has a prescribed H∞ or l2-l∞ performance index, respectively. Finally, a practical example is provided to illustrate the effectiveness of the proposed fuzzy filter design methods.In this article, the problem of distributed hierarchical fault-tolerant containment control for heterogeneous linear multiagent systems (MASs) is investigated. In most of the existing distributed methods for MASs with system failures, each agent broadcasts its state, or output, or the estimation of state to neighbors. Once an agent is subjected system failures, faults affect the dynamics of other agents over the network, that is, the influence of faults on the agent will propagate with the network. In order to overcome this drawback, a fault-tolerant hierarchical containment control protocol is developed, which includes two layers 1) the upper layer and 2) the lower layer. The upper layer consists of a virtual system and a cooperative controller to achieve a virtual containment objective. The lower layer consists of an actual system and a fault-tolerant controller to track the upper layer virtual system. Compared with the existing results, the phenomenon of fault propagation can be avoided by introducing the hierarchical design approach, that is, the fault of agent i only affects the dynamics of itself, and does not affect the dynamics of other agents through the network. It is shown that each follower converges asymptotically to a convex hull spanned by leaders with external input. https://www.selleckchem.com/products/h2dcfda.html Finally, the developed method is demonstrated by simulation results.This article is concerned with set-membership global estimation for a networked system under unknown-but-bounded process and measurement noises. First, a group of local set-membership estimators is deployed to obtain the local ellipsoidal estimate of the true system state. Each estimator is capable of communicating with its neighbors within its communication range. Second, a global estimation approach is proposed which generates a trace-maximal ellipsoid within the intersection of all the local estimation sets with an aim to improve the difference of the local estimate at each time instant. Sufficient conditions for providing a global estimate under both complete and incomplete measurement transmissions are derived. Third, as an application, a modified distributed photovoltaic grid-connected generation system is provided to verify the effectiveness of the developed set-membership global estimation approach. Furthermore, an islanding fault detection scheme is derived based on the calculated global ellipsoidal estimate.
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  • Neurotoxic ablation of NE neurons using the Dsp4-fluoxetine protocol confirmed its inhibitory effects on NPC proliferation. Contrarily, NE depletion largely impairs NPC proliferation within the hippocampus in the same animals. Our data indicate that norepinephrine has opposite effects on the two fundamental neurogenic niches of the adult brain with norepinephrine being a negative regulator of adult periventricular neurogenesis. This knowledge might ultimately lead to new therapeutic approaches to influence neurogenesis in hypothalamus-related metabolic diseases or to stimulate endogenous regenerative potential in neurodegenerative processes such as Parkinson's disease.Aim Toll-like-receptors are key players in mesenchymal stem/progenitor cells' micro-environmental crosstalk, endorsing various biological reactions. For the first, time this study investigates the effects of TLR3-ligation on gingival mesenchymal stem/progenitor cells (G-****) stemness and differentiation properties. Material and methods G-**** (n=5) were isolated, sorted using anti-STRO-1 antibodies, sowed on culture dishes to generate colony forming units (CFUs) and their stem/progenitor cells' features and TLR3 expression were characterized. Subsequently, TLR3 activation of G-**** via Poly (IC) was done, followed by an analysis of the expression of pluripotency-related factors, mesenchymal stemness-associated surface markers, as well as the ability to form CFUs and multilineage differentiation, using qualitative and quantitative histochemistry and RT-PCR. Results G-**** demonstrated all predefined stem/progenitor cells' characteristics and TLR3 expression. TLR3 activated G-**** showed a significantly reduced ability to form CFUs and pluripotency transcriptional factors expression. Mesenchymal stem/progenitor cells-associated surface markers and multilinear differentiation potential were significantly higher following TLR3 ligation (p less then 0.05, Wilcoxon Signed Rank Test). Conclusions TLR3-mediated activation maintains the mesenchymal stem/progenitor cells phenotype and drives G-****' differentiation and commitment, with a shift away from an undifferentiated pluripotent cellular phenotype. This distinctive modulation could influence potential therapeutic applications of G-****.The present study evaluated the effects of cryoprotectants, semen diluents and thawing temperature during Ghagus chicken semen cryopreservation. Four different experiments were conducted; Experiment 1-semen was cryopreserved using 6% dimethylacetamide (DMA) and 2% dimethylsulphoxide (DMSO) in Sasaki diluent (SD) and Lake and Ravie diluent (LR), Experiment 2 and 3-semen was cryopreserved using 8% ethylene glycol (EG) in SD, LRD and Red Fowl Extender (RFE), Experiment 4-semen was cryopreserved using 6% dimethylformamide (DMF) in SD, LR and Beltsville poultry semen extender (BPSE). Semen was cryopreserved in 0.5 ml French straws. Thawing was done at 5°C for 100 s in ice water in Experiments 1, 2 and 4, whereas in Experiment 3 thawing was done at 37°C for 30 s. The post-thaw sperm motility, viable sperm and acrosome-intact sperm were significantly (p less then .05) lower in cryopreserved samples in all the experiments. No fertile eggs were obtained from cryopreserved samples in Experiments 1 and 2, except for 8% EG RFE treatment where the fertility was 0.83%. In Experiments 3 and 4, highest fertility was obtained in LR treatment 48.12 and 30.89%, respectively. In conclusion, using cryoprotectant EG (8%) and thawing at 37°C for 30 s, and DMF(6%) resulted in acceptable level of fertility in Ghagus chicken. Though the diluents influenced post-thaw in vitro semen parameters, the fertility was not affected. https://www.selleckchem.com/products/gsk583.html In addition, results indicated that thawing temperature may be a critical stage in the cryopreservation protocol.Aims To investigate control measures for COVID-19 pandemic in GIE centers in China. Methods This is a retrospective multi-centre research, including seven centers. Data collection was from 1st Feb to 31st Mar 2020 and the same period last year. Results There were a total of 28 COVID-19 definite cases in these hospitals. Six out of seven GIE centers were arranged to shut down on 1st Feb, with a mean shutdown days of 23.6±5.3. The actual workloads were only 10.3%-62.9% compared to those last year. All centers had a preoperative COVID-19 screening process. Epidemiological questionnaire, temperature taking and QR-code of journey were conducted. Chest CT scan were conducted during the shutdown period and continued in five centers after return to work. Antibody and nucleic acid test were applied in 1-3 centers. All endoscopists had advanced PPE. Five centers used surgical mask and the rest used N95 mask. Six centers used goggles or face shield. Five centers selected isolation gowns and the rest selected protective suits. The change frequency of these PPE was 4 hours. Sterilizing measures were improved in six centers. Five centers utilized ultraviolet and six centers strengthened natural ventilation. Four and six centers used peracetic acid during the period of shutdown and return to work, alone or matched with OPA or acidified water. Conclusions Many effective control measures were conducted in GIE centers during the outbreak, including patients' volume limitation, preoperative COVID-19 screening, advanced PPE and disinfection methods.Aims and objectives To (a) characterise and determine proportions of referred and enrolled children and (b) explore public health nurses' (PHNs) experiences, perspectives and recommendations regarding a new nurse-led referral pathway for paediatric weight management. Background Children with obesity and their families in Canada access specialised services for obesity management through physician referral. Since this requirement can prevent timely access to health services, we established and tested a referral pathway whereby PHNs directly refer children to specialised care for obesity management. Design Nested mixed-methods study reported using GRAMMS. Method Our research study included children (2-17 years of age; body mass index ≥85th percentile) referred by a PHN to the Pediatric Centre for Weight and Health (PCWH; Stollery Children's Hospital, Edmonton, Alberta, Canada) from April 2017-September 2018. We summarised referral and enrolment data using descriptive statistics and conducted one-on-one, semi-structured telephone interviews with PHNs; interviews were audio-recorded, transcribed verbatim, managed using NVivo 12 and analysed by two independent reviewers using content analysis.
    Neurotoxic ablation of NE neurons using the Dsp4-fluoxetine protocol confirmed its inhibitory effects on NPC proliferation. Contrarily, NE depletion largely impairs NPC proliferation within the hippocampus in the same animals. Our data indicate that norepinephrine has opposite effects on the two fundamental neurogenic niches of the adult brain with norepinephrine being a negative regulator of adult periventricular neurogenesis. This knowledge might ultimately lead to new therapeutic approaches to influence neurogenesis in hypothalamus-related metabolic diseases or to stimulate endogenous regenerative potential in neurodegenerative processes such as Parkinson's disease.Aim Toll-like-receptors are key players in mesenchymal stem/progenitor cells' micro-environmental crosstalk, endorsing various biological reactions. For the first, time this study investigates the effects of TLR3-ligation on gingival mesenchymal stem/progenitor cells (G-MSCs) stemness and differentiation properties. Material and methods G-MSCs (n=5) were isolated, sorted using anti-STRO-1 antibodies, sowed on culture dishes to generate colony forming units (CFUs) and their stem/progenitor cells' features and TLR3 expression were characterized. Subsequently, TLR3 activation of G-MSCs via Poly (IC) was done, followed by an analysis of the expression of pluripotency-related factors, mesenchymal stemness-associated surface markers, as well as the ability to form CFUs and multilineage differentiation, using qualitative and quantitative histochemistry and RT-PCR. Results G-MSCs demonstrated all predefined stem/progenitor cells' characteristics and TLR3 expression. TLR3 activated G-MSCs showed a significantly reduced ability to form CFUs and pluripotency transcriptional factors expression. Mesenchymal stem/progenitor cells-associated surface markers and multilinear differentiation potential were significantly higher following TLR3 ligation (p less then 0.05, Wilcoxon Signed Rank Test). Conclusions TLR3-mediated activation maintains the mesenchymal stem/progenitor cells phenotype and drives G-MSCs' differentiation and commitment, with a shift away from an undifferentiated pluripotent cellular phenotype. This distinctive modulation could influence potential therapeutic applications of G-MSCs.The present study evaluated the effects of cryoprotectants, semen diluents and thawing temperature during Ghagus chicken semen cryopreservation. Four different experiments were conducted; Experiment 1-semen was cryopreserved using 6% dimethylacetamide (DMA) and 2% dimethylsulphoxide (DMSO) in Sasaki diluent (SD) and Lake and Ravie diluent (LR), Experiment 2 and 3-semen was cryopreserved using 8% ethylene glycol (EG) in SD, LRD and Red Fowl Extender (RFE), Experiment 4-semen was cryopreserved using 6% dimethylformamide (DMF) in SD, LR and Beltsville poultry semen extender (BPSE). Semen was cryopreserved in 0.5 ml French straws. Thawing was done at 5°C for 100 s in ice water in Experiments 1, 2 and 4, whereas in Experiment 3 thawing was done at 37°C for 30 s. The post-thaw sperm motility, viable sperm and acrosome-intact sperm were significantly (p less then .05) lower in cryopreserved samples in all the experiments. No fertile eggs were obtained from cryopreserved samples in Experiments 1 and 2, except for 8% EG RFE treatment where the fertility was 0.83%. In Experiments 3 and 4, highest fertility was obtained in LR treatment 48.12 and 30.89%, respectively. In conclusion, using cryoprotectant EG (8%) and thawing at 37°C for 30 s, and DMF(6%) resulted in acceptable level of fertility in Ghagus chicken. Though the diluents influenced post-thaw in vitro semen parameters, the fertility was not affected. https://www.selleckchem.com/products/gsk583.html In addition, results indicated that thawing temperature may be a critical stage in the cryopreservation protocol.Aims To investigate control measures for COVID-19 pandemic in GIE centers in China. Methods This is a retrospective multi-centre research, including seven centers. Data collection was from 1st Feb to 31st Mar 2020 and the same period last year. Results There were a total of 28 COVID-19 definite cases in these hospitals. Six out of seven GIE centers were arranged to shut down on 1st Feb, with a mean shutdown days of 23.6±5.3. The actual workloads were only 10.3%-62.9% compared to those last year. All centers had a preoperative COVID-19 screening process. Epidemiological questionnaire, temperature taking and QR-code of journey were conducted. Chest CT scan were conducted during the shutdown period and continued in five centers after return to work. Antibody and nucleic acid test were applied in 1-3 centers. All endoscopists had advanced PPE. Five centers used surgical mask and the rest used N95 mask. Six centers used goggles or face shield. Five centers selected isolation gowns and the rest selected protective suits. The change frequency of these PPE was 4 hours. Sterilizing measures were improved in six centers. Five centers utilized ultraviolet and six centers strengthened natural ventilation. Four and six centers used peracetic acid during the period of shutdown and return to work, alone or matched with OPA or acidified water. Conclusions Many effective control measures were conducted in GIE centers during the outbreak, including patients' volume limitation, preoperative COVID-19 screening, advanced PPE and disinfection methods.Aims and objectives To (a) characterise and determine proportions of referred and enrolled children and (b) explore public health nurses' (PHNs) experiences, perspectives and recommendations regarding a new nurse-led referral pathway for paediatric weight management. Background Children with obesity and their families in Canada access specialised services for obesity management through physician referral. Since this requirement can prevent timely access to health services, we established and tested a referral pathway whereby PHNs directly refer children to specialised care for obesity management. Design Nested mixed-methods study reported using GRAMMS. Method Our research study included children (2-17 years of age; body mass index ≥85th percentile) referred by a PHN to the Pediatric Centre for Weight and Health (PCWH; Stollery Children's Hospital, Edmonton, Alberta, Canada) from April 2017-September 2018. We summarised referral and enrolment data using descriptive statistics and conducted one-on-one, semi-structured telephone interviews with PHNs; interviews were audio-recorded, transcribed verbatim, managed using NVivo 12 and analysed by two independent reviewers using content analysis.
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  • Although recent neuroimaging studies have suggested that functional deficits in facial perception are associated with panic disorder (PD), the possibility of cortical thickness and perfusion abnormalities have not been studied in patients with PD. We aimed to investigate alterations in cortical thickness and regional cerebral blood flow (CBF) between PD patients and healthy controls (HCs) using three-dimensional (3D) T1-weighted magnetic resonance imagery (MRI) and 3D arterial spin labeling (ASL) perfusion MRI.

    An automated surface-based method (Cat12) measured the cortical thickness of each subject. Z-score normalization for CBF maps was used to generate Z-score maps. Statistical comparisons were performed using statistical parametric mapping with two-sample t-tests.

    Subjects with PD, unlike HCs, displayed cortical thinning in the right fusiform gyrus (FG). Post hoc analysis also revealed a decreased Z-score in the right FG. There was significant positive correlation between the Z-score and the cortical thickness of the right FG. https://www.selleckchem.com/ The cortical thickness and Z-score were negatively correlated with the Panic Disorder Severity Scale and Hamilton Rating Scale for Anxiety scores.

    The small sample size may have restricted the identification of additional differences. Other caveats included the use of medication by nine participants.

    These results provide further evidence of the significant role structural and functional deficits in the right FG play in patients with PD. Due to the observed regional specificity, this finding bears important clinical implications for potential treatment strategies.
    These results provide further evidence of the significant role structural and functional deficits in the right FG play in patients with PD. Due to the observed regional specificity, this finding bears important clinical implications for potential treatment strategies.Diabetic cardiomyopathy (DCM) is a distinct form of heart disease caused by diabetes. Lipid accumulation has been reported to present in the hearts of DCM animals, however characterization of disordered lipids, and their roles in the etiology and progress of DCM remain largely undefined. In present study, an untargeted lipidomics based on ultra-high performance liquid chromatography coupled with hybrid quadrupole-orbitrap mass spectrometers was established for global detection of lipids in the hearts of DCM ****. DCM **** showed significant cardiac dysfunction with decreased left ventricular fractional shortening (FS) and ratio of peak early filling velocity to atrial filling velocity (MV E/A). Histological lesion, fibrosis, hypertrophy, and lipid accumulation were also observed in the heart of DCM ****. By lipidomics analysis, a total of 244 lipids were identified, of which 89 lipids were significantly changed. The disordered metabolic profile of lipids in DCM **** heart were characterized by the accumulation of triacylglycerol, glycerophospholipid, cholesterol-sulfate, ceramide and sphingomyelin, as well as by the loss of glycerophospholipid. The lipid alterations in the heart were correlated with the development of cardiac dysfunction, lipotoxicity, inflammation and insulin resistance. Correlations between lipid metabolism disorders and DCM progress should be further explored.Raman spectroscopy (RS) can provide fingerprint-type information on biochemical molecules. RS-based blood plasma analysis of solid tumors has been reported in recent years; however, there are no studies on the use of this analysis for detecting blood diseases. We studied the features of blood plasma in patients with diffuse large B-cell lymphoma (DLBCL) and chronic lymphocytic leukemia (CLL) by RS with the aim of developing a simple blood test for noninvasive DLBCL and CLL detection. We analyzed blood plasma from 33 DLBCL patients, 39 CLL patients and 30 healthy volunteers. Orthogonal partial least squares discriminant analysis (OPLS-DA) could build two clusters with almost no overlap between DLBCL/CLL and the controls. We used the prediction set to test the model built by OPLS-DA. For the CLL model, the sensitivity was 92.86%, and the specificity was 100%, whereas for the DLBCL model, the sensitivity was 80% and the specificity was 92.31%. We found Raman bands specific to both DLBCL and CLL patients in comparison with the healthy volunteers. Most importantly, we found that the combination of the 1445 cm-1 and 1655 cm-1 Raman shifts could discriminate DLBCL from CLL and even the other solid tumors reported to date. Further analysis of the assignments of 1655 cm-1 also gave us a clue to find potential important variables hemoglobin and serum albumin related with the CLL prognosis. Our exploratory study primarily demonstrated the great potential of developing RS blood plasma analysis as a novel clinical tool for the noninvasive detection of DLBCL and CLL.Parafunctional habits, such as bruxism and prolonged clenching, have been associated with dysfunctional hyperactivity of the masticatory muscles, including the lateral pterygoid muscle. The resultant loading to the temporomandibular joint (TMJ) is subject to the degradation of bone, cartilage and disc in the TMJ. In this study, we examined the effect of clenching direction on the stress distribution in the TMJ. In this line, we hypothesised that asymmetrical clenching involved in parafunction might result in increased stresses on the TMJ disc as well as on the condylar and temporal articular surfaces. The distribution of stress for various directional loadings was analysed using a three-dimensional finite element model of the TMJ, with viscoelastic properties for the disc. The numerical results revealed that load direction influenced the amount and distribution of stresses on the disc surfaces. In particular, the lateral region of the disc suffered higher stress values. Moreover, the results showed a significant stress relaxation in the disc that revealed its capacity for stress energy dissipation. From the present study, it can be established that during prolonged clenching, the higher stresses are concentrated in the lateral region, which could imply that TMJ disorders related to damage or wear in the disc and the condylar cartilage, overall, occur when lateral dysfunctional displacements are present.
    Although recent neuroimaging studies have suggested that functional deficits in facial perception are associated with panic disorder (PD), the possibility of cortical thickness and perfusion abnormalities have not been studied in patients with PD. We aimed to investigate alterations in cortical thickness and regional cerebral blood flow (CBF) between PD patients and healthy controls (HCs) using three-dimensional (3D) T1-weighted magnetic resonance imagery (MRI) and 3D arterial spin labeling (ASL) perfusion MRI. An automated surface-based method (Cat12) measured the cortical thickness of each subject. Z-score normalization for CBF maps was used to generate Z-score maps. Statistical comparisons were performed using statistical parametric mapping with two-sample t-tests. Subjects with PD, unlike HCs, displayed cortical thinning in the right fusiform gyrus (FG). Post hoc analysis also revealed a decreased Z-score in the right FG. There was significant positive correlation between the Z-score and the cortical thickness of the right FG. https://www.selleckchem.com/ The cortical thickness and Z-score were negatively correlated with the Panic Disorder Severity Scale and Hamilton Rating Scale for Anxiety scores. The small sample size may have restricted the identification of additional differences. Other caveats included the use of medication by nine participants. These results provide further evidence of the significant role structural and functional deficits in the right FG play in patients with PD. Due to the observed regional specificity, this finding bears important clinical implications for potential treatment strategies. These results provide further evidence of the significant role structural and functional deficits in the right FG play in patients with PD. Due to the observed regional specificity, this finding bears important clinical implications for potential treatment strategies.Diabetic cardiomyopathy (DCM) is a distinct form of heart disease caused by diabetes. Lipid accumulation has been reported to present in the hearts of DCM animals, however characterization of disordered lipids, and their roles in the etiology and progress of DCM remain largely undefined. In present study, an untargeted lipidomics based on ultra-high performance liquid chromatography coupled with hybrid quadrupole-orbitrap mass spectrometers was established for global detection of lipids in the hearts of DCM mice. DCM mice showed significant cardiac dysfunction with decreased left ventricular fractional shortening (FS) and ratio of peak early filling velocity to atrial filling velocity (MV E/A). Histological lesion, fibrosis, hypertrophy, and lipid accumulation were also observed in the heart of DCM mice. By lipidomics analysis, a total of 244 lipids were identified, of which 89 lipids were significantly changed. The disordered metabolic profile of lipids in DCM mice heart were characterized by the accumulation of triacylglycerol, glycerophospholipid, cholesterol-sulfate, ceramide and sphingomyelin, as well as by the loss of glycerophospholipid. The lipid alterations in the heart were correlated with the development of cardiac dysfunction, lipotoxicity, inflammation and insulin resistance. Correlations between lipid metabolism disorders and DCM progress should be further explored.Raman spectroscopy (RS) can provide fingerprint-type information on biochemical molecules. RS-based blood plasma analysis of solid tumors has been reported in recent years; however, there are no studies on the use of this analysis for detecting blood diseases. We studied the features of blood plasma in patients with diffuse large B-cell lymphoma (DLBCL) and chronic lymphocytic leukemia (CLL) by RS with the aim of developing a simple blood test for noninvasive DLBCL and CLL detection. We analyzed blood plasma from 33 DLBCL patients, 39 CLL patients and 30 healthy volunteers. Orthogonal partial least squares discriminant analysis (OPLS-DA) could build two clusters with almost no overlap between DLBCL/CLL and the controls. We used the prediction set to test the model built by OPLS-DA. For the CLL model, the sensitivity was 92.86%, and the specificity was 100%, whereas for the DLBCL model, the sensitivity was 80% and the specificity was 92.31%. We found Raman bands specific to both DLBCL and CLL patients in comparison with the healthy volunteers. Most importantly, we found that the combination of the 1445 cm-1 and 1655 cm-1 Raman shifts could discriminate DLBCL from CLL and even the other solid tumors reported to date. Further analysis of the assignments of 1655 cm-1 also gave us a clue to find potential important variables hemoglobin and serum albumin related with the CLL prognosis. Our exploratory study primarily demonstrated the great potential of developing RS blood plasma analysis as a novel clinical tool for the noninvasive detection of DLBCL and CLL.Parafunctional habits, such as bruxism and prolonged clenching, have been associated with dysfunctional hyperactivity of the masticatory muscles, including the lateral pterygoid muscle. The resultant loading to the temporomandibular joint (TMJ) is subject to the degradation of bone, cartilage and disc in the TMJ. In this study, we examined the effect of clenching direction on the stress distribution in the TMJ. In this line, we hypothesised that asymmetrical clenching involved in parafunction might result in increased stresses on the TMJ disc as well as on the condylar and temporal articular surfaces. The distribution of stress for various directional loadings was analysed using a three-dimensional finite element model of the TMJ, with viscoelastic properties for the disc. The numerical results revealed that load direction influenced the amount and distribution of stresses on the disc surfaces. In particular, the lateral region of the disc suffered higher stress values. Moreover, the results showed a significant stress relaxation in the disc that revealed its capacity for stress energy dissipation. From the present study, it can be established that during prolonged clenching, the higher stresses are concentrated in the lateral region, which could imply that TMJ disorders related to damage or wear in the disc and the condylar cartilage, overall, occur when lateral dysfunctional displacements are present.
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  • 05). The median RUNX2 and ALP expression levels were significantly higher at 2 and 4 weeks after preloading than in the unloaded condition (p less then 0.05), whereas the median RANKL/OPG ratios were significantly higher at 1 and 4 weeks after preloading (p less then 0.05). Conclusions Orthodontic preloading for 4 weeks enhances PDL volumes as well as the expressions of RUNX2, ALP and the RANKL/OPG ratio in the PDL, suggesting this loading period is suitable for successful TAT.Objective This study aimed to evaluate the differences in cephalometric characteristics and skeletal maturation in girls with central precocious puberty (CPP) via lateral and hand-wrist radiographs. We also aimed to identify the indicators that are most effective for determining skeletal maturity in these patients. Methods The study included 70 Korean girls (mean age, 8.5 ± 0.5 years) diagnosed with CPP at the Department of Pediatrics, and 48 normal healthy age-matched girls who visited the Department of Orthodontics and had no history of hormone treatment or growth problems. Skeletal maturation was evaluated using lateral cephalometric and hand-wrist radiographs using cervical vertebrae maturation indicators (CVMI) and skeletal maturity indicators (SMI). Results The mean mandibular plane angle was smaller in the CPP group than in the control group (35.8° ± 4.9° vs. 39.0° ± 6.5°), resulting in greater posterior facial height (p = 0.003). SMI was significantly greater in the CPP group (3.5 ± 1.4 vs. 2.0 ± 1.0) than in the control group (p = 0.001) and was significantly associated with CPP (r = 0.492; p = 0.001), whereas CVMI was not. Conclusions In comparison with the control group, the CPP group exhibited a smaller mandibular plane angle, greater posterior facial height, and greater skeletal maturation. SMI may be more suitable than CVMI for determining skeletal maturation in CPP. Hand-wrist radiography is recommended in addition to lateral cephalogram for predicting growth in girls with CPP.Objective To compare short- and long-term dentoalveolar, skeletal, and rotational changes evaluated by Björk's structural method of superimposition between children with Class II malocclusion treated by functional appliances and untreated matched controls. Methods Seventy-nine prepubertal or pubertal children (mean age, 11.57 ± 1.40 years) with Class II malocclusion were included. Thirty-four children were treated using an activator with a high-pull headgear (Z-activator), while 28 were treated using an activator without a headgear (E-activator). Seventeen untreated children were included as controls. Lateral cephalograms were obtained before treatment (T1), after functional appliance treatment (T2), and after retention in the postpubertal phase (T3). Changes from T1 to T2 and T1 to T3 were compared between the treated groups and control group using multiple linear regression analysis. Results Relative to the findings in the control group at T2, the sagittal jaw relationship (subspinale-nasion- pogonion, p less then 0.001), maxillary prognathism (sella-nasion-subspinale, p less then 0.05), and condylar growth (p less then 0.001) exhibited significant improvements in the Z- and E-activator groups, which also showed a significantly increased maxillary incisor retraction (p less then 0.001) and decreased overjet (p less then 0.001). Only the E-activator group exhibited significant backward rotation of the maxilla at T2 (p less then 0.01). The improvements in the sagittal jaw relationship (p less then 0.01) and dental relationship (p less then 0.001) remained significant at T3. Condylar growth and jaw rotations were not significant at T3. https://www.selleckchem.com/products/gsk3326595-epz015938.html Conclusions Functional appliance treatment in children with Class II malocclusion can significantly improve the sagittal jaw relationship and dental relationships in the long term.Objective The aim of this retrospective study was to evaluate the pre- and postsurgical bone densities at alveolar and extra-alveolar sites following twojaw orthognathic surgery. Methods The sample consisted of 10 patients (mean age, 23.2 years; range, 18.0-27.8 years; 8 males, 2 females) who underwent two-jaw orthognathic surgery. A three-dimensional imaging program (Invivo 5) was used with multidetector computed tomography images taken preand postoperatively (obtained 32.3 ± 6.0 days before surgery and 5.8 ± 2.6 days after surgery, respectively) for the measurement of bone densities at the following sites (1) alveolar bone in the maxilla and mandible, (2) extra-alveolar sites, such as the top of the head, menton (Me), condyle, and the fourth cervical vertebrae (C4). Results When pre- and postsurgical bone densities were compared, an overall tendency of decrease in bone density was noted. Statistically significant reductions were observed in the densities of cancellous bone at several areas of the maxillary alveolar bone; cortical and cancellous bone in most areas of the mandibular alveolar bone; cortical bone in Me; and cancellous bone in C4. There was no statistically significant difference in bone density in relation to the depth of the alveolar bone. In a comparison of the bone densities between groups with and without genioplasty, there was almost no statistically significant difference. Conclusions Accelerated tooth movement following orthognathic surgery may be confirmed with reduced bone density. In addition, this study could offer insights into bone metabolism changes following orthognathic surgery, providing direction for further investigations in this field.Introduction This study evaluated the preparedness of family doctors during the early phase of the coronavirus disease 2019 (COVID-19) outbreak in Hong Kong. Methods All members of the Hong Kong College of Family Physicians were invited to participate in a cross-sectional online survey using a 20-item questionnaire to collect information on practice preparedness for the COVID-19 outbreak through an email followed by a reminder SMS message between 31 January 2020 and 3 February 2020. Results Of 1589 family doctors invited, 491 (31%) participated in the survey, including 242 (49%) from private sector. In all, 98% surveyed doctors continued to provide clinical services during the survey period, but reduced clinic service demands were observed in 45% private practices and 24% public clinics. Almost all wore masks during consultation and washed hands between or before patient contact. Significantly more private than public doctors (80% vs 26%, P less then 0.001) experienced difficulties in stocking personal protective equipment (PPE); more public doctors used guidelines to manage suspected patients.
    05). The median RUNX2 and ALP expression levels were significantly higher at 2 and 4 weeks after preloading than in the unloaded condition (p less then 0.05), whereas the median RANKL/OPG ratios were significantly higher at 1 and 4 weeks after preloading (p less then 0.05). Conclusions Orthodontic preloading for 4 weeks enhances PDL volumes as well as the expressions of RUNX2, ALP and the RANKL/OPG ratio in the PDL, suggesting this loading period is suitable for successful TAT.Objective This study aimed to evaluate the differences in cephalometric characteristics and skeletal maturation in girls with central precocious puberty (CPP) via lateral and hand-wrist radiographs. We also aimed to identify the indicators that are most effective for determining skeletal maturity in these patients. Methods The study included 70 Korean girls (mean age, 8.5 ± 0.5 years) diagnosed with CPP at the Department of Pediatrics, and 48 normal healthy age-matched girls who visited the Department of Orthodontics and had no history of hormone treatment or growth problems. Skeletal maturation was evaluated using lateral cephalometric and hand-wrist radiographs using cervical vertebrae maturation indicators (CVMI) and skeletal maturity indicators (SMI). Results The mean mandibular plane angle was smaller in the CPP group than in the control group (35.8° ± 4.9° vs. 39.0° ± 6.5°), resulting in greater posterior facial height (p = 0.003). SMI was significantly greater in the CPP group (3.5 ± 1.4 vs. 2.0 ± 1.0) than in the control group (p = 0.001) and was significantly associated with CPP (r = 0.492; p = 0.001), whereas CVMI was not. Conclusions In comparison with the control group, the CPP group exhibited a smaller mandibular plane angle, greater posterior facial height, and greater skeletal maturation. SMI may be more suitable than CVMI for determining skeletal maturation in CPP. Hand-wrist radiography is recommended in addition to lateral cephalogram for predicting growth in girls with CPP.Objective To compare short- and long-term dentoalveolar, skeletal, and rotational changes evaluated by Björk's structural method of superimposition between children with Class II malocclusion treated by functional appliances and untreated matched controls. Methods Seventy-nine prepubertal or pubertal children (mean age, 11.57 ± 1.40 years) with Class II malocclusion were included. Thirty-four children were treated using an activator with a high-pull headgear (Z-activator), while 28 were treated using an activator without a headgear (E-activator). Seventeen untreated children were included as controls. Lateral cephalograms were obtained before treatment (T1), after functional appliance treatment (T2), and after retention in the postpubertal phase (T3). Changes from T1 to T2 and T1 to T3 were compared between the treated groups and control group using multiple linear regression analysis. Results Relative to the findings in the control group at T2, the sagittal jaw relationship (subspinale-nasion- pogonion, p less then 0.001), maxillary prognathism (sella-nasion-subspinale, p less then 0.05), and condylar growth (p less then 0.001) exhibited significant improvements in the Z- and E-activator groups, which also showed a significantly increased maxillary incisor retraction (p less then 0.001) and decreased overjet (p less then 0.001). Only the E-activator group exhibited significant backward rotation of the maxilla at T2 (p less then 0.01). The improvements in the sagittal jaw relationship (p less then 0.01) and dental relationship (p less then 0.001) remained significant at T3. Condylar growth and jaw rotations were not significant at T3. https://www.selleckchem.com/products/gsk3326595-epz015938.html Conclusions Functional appliance treatment in children with Class II malocclusion can significantly improve the sagittal jaw relationship and dental relationships in the long term.Objective The aim of this retrospective study was to evaluate the pre- and postsurgical bone densities at alveolar and extra-alveolar sites following twojaw orthognathic surgery. Methods The sample consisted of 10 patients (mean age, 23.2 years; range, 18.0-27.8 years; 8 males, 2 females) who underwent two-jaw orthognathic surgery. A three-dimensional imaging program (Invivo 5) was used with multidetector computed tomography images taken preand postoperatively (obtained 32.3 ± 6.0 days before surgery and 5.8 ± 2.6 days after surgery, respectively) for the measurement of bone densities at the following sites (1) alveolar bone in the maxilla and mandible, (2) extra-alveolar sites, such as the top of the head, menton (Me), condyle, and the fourth cervical vertebrae (C4). Results When pre- and postsurgical bone densities were compared, an overall tendency of decrease in bone density was noted. Statistically significant reductions were observed in the densities of cancellous bone at several areas of the maxillary alveolar bone; cortical and cancellous bone in most areas of the mandibular alveolar bone; cortical bone in Me; and cancellous bone in C4. There was no statistically significant difference in bone density in relation to the depth of the alveolar bone. In a comparison of the bone densities between groups with and without genioplasty, there was almost no statistically significant difference. Conclusions Accelerated tooth movement following orthognathic surgery may be confirmed with reduced bone density. In addition, this study could offer insights into bone metabolism changes following orthognathic surgery, providing direction for further investigations in this field.Introduction This study evaluated the preparedness of family doctors during the early phase of the coronavirus disease 2019 (COVID-19) outbreak in Hong Kong. Methods All members of the Hong Kong College of Family Physicians were invited to participate in a cross-sectional online survey using a 20-item questionnaire to collect information on practice preparedness for the COVID-19 outbreak through an email followed by a reminder SMS message between 31 January 2020 and 3 February 2020. Results Of 1589 family doctors invited, 491 (31%) participated in the survey, including 242 (49%) from private sector. In all, 98% surveyed doctors continued to provide clinical services during the survey period, but reduced clinic service demands were observed in 45% private practices and 24% public clinics. Almost all wore masks during consultation and washed hands between or before patient contact. Significantly more private than public doctors (80% vs 26%, P less then 0.001) experienced difficulties in stocking personal protective equipment (PPE); more public doctors used guidelines to manage suspected patients.
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  • Also, South Indians showed the least signs of aging (early as well as overall) compared to the other 3 ethnic groups in any given age range. Conclusions This study attempts to understand in greater detail the aging process of the Asian Indian population. This study could open up specific treatment protocols to treat this population in the fields of facial esthetics and facial cosmetic surgery.Adherence of pulp tissue to the underlying distal phalanx is required for fundamental actions including grip, proprioception, and fine motor skills. Disruption of the fibrous septa causes sliding between the distal phalanx and overlying soft tissues, hindering basic hand function. https://www.selleckchem.com/products/kg-501-2-naphthol-as-e-phosphate.html The authors present a novel surgical technique in which the fibrous pulp septa are resuspended to the distal phalanx with bone anchors and sclerosing agents after a closed degloving injury.Extracellular vesicles (EVs) secreted from adipose-derived mesenchymal stem cells (ADSCs) (ADSC-EVs) improve flap survival after ischemia-reperfusion injury. Exposure of parent ADSCs to oxidative stress has been shown to enhance this effect, but mechanisms are unclear. We aimed to determine whether angiogenesis-promoting protein and microRNA (miRNA) content is altered in EVs after preconditioning with hydrogen peroxide (H2O2 ADSC-EVs) and whether H2O2 ADSC-EVs can increase viability of random pattern skin *****. Methods EVs secreted by human ADSCs were isolated after culture in EV-depleted medium ± H2O2. Nanoparticle tracking analysis determined size and concentration of purified EVs. Mass spectrometry and small RNA next-generation sequencing were performed to compare proteomic and miRNA profiles. ADSC-EVs, H2O2 ADSC-EVs, or vehicle were injected into random pattern skin ***** of BALB/c **** (4-5 **** per group). Viable and necrotic areas were measured on day 7, and tissues underwent histologic analysis. Results Angiogenic and antimicrobial protein content of EVs was altered with H2O2 preconditioning. Functional enrichment analysis identified constitutive photomorphogenesis 9 signalosome (known to direct vascular endothelial growth factor production) as the major enriched Gene Ontology term unique to H2O2 ADSC-EVs. Two miRNAs were increased, and 12 (including 10 antiangiogenic miRNAs) were reduced in H2O2 ADSC-EVs. Enhanced viability (P less then 0.05) of ***** treated with H2O2 ADSC-EVs compared with vehicle corresponded to increased capillary density in the H2O2 group (P less then 0.001). Conclusion Altered protein and miRNA content in ADSC-EVs after H2O2 pretreatment likely contributes to enhanced therapeutic effects on flap survival observed in preclinical models.Ischemic complications after immediate breast reconstruction have devastating consequences; however, individual risk assessment remains challenging. We seek to develop an intraoperative assessment tool to assist in estimating risk of ischemic complications in immediate breast reconstruction. Methods Patients undergoing immediate breast reconstruction were prospectively identified and evaluated with an intraoperative mastectomy flap ischemia risk assessment tool consisting of 8 binary questions. Breast measurements and patient demographics were recorded. Reconstructions were then prospectively evaluated postoperatively for ischemic complications. Outcomes were analyzed with significance set at P values 7 also had significantly higher rates of ischemic complications (P less then 0.0001, each). The sensitivity and specificity of intraoperative mastectomy flap compromise were 81.25% and 62.07%. Conclusions Ischemic complications after immediate breast reconstruction were positively correlated with higher scores using a clinical intraoperative mastectomy flap ischemia risk assessment tool. Scores greater than 5 seem to be a threshold value at which ischemic complications are significantly greater. This simple, easy-to-implement intraoperative tool may assist plastic surgeons in assessing risk and optimizing outcomes in immediate breast reconstruction.Various methods to generate the lining for a full-thickness nasal reconstruction have been reported. We used bilateral septal mucoperichondrial *****, the distal portion of an expanded median forehead flap, and a nonlaminated vascularized free temporal fascia flap as a lining during total nasal reconstruction of a total full-thickness nasal defect in a 45-year-old woman with a nasal squamous cell carcinoma. In the first step of the two-stage surgery, a tissue expander was inserted into the forehead simultaneously with tumor resection. In the second step, the expanded median forehead flap, cartilage graft, bilateral septal mucoperichondrial *****, and short pedicle vascularized free temporal fascia transfer were performed. Total nasal reconstruction could be completed without any skin graft or skin paddle of the free flap. Epithelialization of the mucosa on the transferred vascularized free temporal fascia without contracture deformity of the nasal cavity was confirmed by endoscopic examination after 8 years of follow-up. In the surgical procedure described, the facial skin, including the lining of the nostril rim, and the mucous membrane of the nasal cavity were reconstructed using facial skin and mucous membrane without long-term contracture, respectively.Various methods are used to reposition the superficial musculoaponeurotic system (SMAS) during facelift procedures. This study presents a novel, radially oriented, layered SMAS plication the triple-C SMAS plication. This technique utilizes customizable vectors in the pattern of a "C" to plicate the SMAS in 3 layers to lift and tighten the deep structures of the face. Methods A retrospective review was performed of patients undergoing the triple-C SMAS plication over a 1-year period. Patients with a length of follow-up less than 100 days were excluded from the study. Demographic data, operative data, complication rates, and satisfaction rates were assessed. Results One hundred ninety-one consecutive patients underwent a triple-C SMAS plication over a 12-month period. One hundred ten patients met inclusion criteria. Average follow-up was 404.5 days. Complications assessed included temporary facial nerve neuropraxia (0.91%), major hematoma (1.82%), minor hematoma (2.73%), seroma (4.54%), great auricular nerve injury (0%), postauricular skin slough >2 cm (1.
    Also, South Indians showed the least signs of aging (early as well as overall) compared to the other 3 ethnic groups in any given age range. Conclusions This study attempts to understand in greater detail the aging process of the Asian Indian population. This study could open up specific treatment protocols to treat this population in the fields of facial esthetics and facial cosmetic surgery.Adherence of pulp tissue to the underlying distal phalanx is required for fundamental actions including grip, proprioception, and fine motor skills. Disruption of the fibrous septa causes sliding between the distal phalanx and overlying soft tissues, hindering basic hand function. https://www.selleckchem.com/products/kg-501-2-naphthol-as-e-phosphate.html The authors present a novel surgical technique in which the fibrous pulp septa are resuspended to the distal phalanx with bone anchors and sclerosing agents after a closed degloving injury.Extracellular vesicles (EVs) secreted from adipose-derived mesenchymal stem cells (ADSCs) (ADSC-EVs) improve flap survival after ischemia-reperfusion injury. Exposure of parent ADSCs to oxidative stress has been shown to enhance this effect, but mechanisms are unclear. We aimed to determine whether angiogenesis-promoting protein and microRNA (miRNA) content is altered in EVs after preconditioning with hydrogen peroxide (H2O2 ADSC-EVs) and whether H2O2 ADSC-EVs can increase viability of random pattern skin flaps. Methods EVs secreted by human ADSCs were isolated after culture in EV-depleted medium ± H2O2. Nanoparticle tracking analysis determined size and concentration of purified EVs. Mass spectrometry and small RNA next-generation sequencing were performed to compare proteomic and miRNA profiles. ADSC-EVs, H2O2 ADSC-EVs, or vehicle were injected into random pattern skin flaps of BALB/c mice (4-5 mice per group). Viable and necrotic areas were measured on day 7, and tissues underwent histologic analysis. Results Angiogenic and antimicrobial protein content of EVs was altered with H2O2 preconditioning. Functional enrichment analysis identified constitutive photomorphogenesis 9 signalosome (known to direct vascular endothelial growth factor production) as the major enriched Gene Ontology term unique to H2O2 ADSC-EVs. Two miRNAs were increased, and 12 (including 10 antiangiogenic miRNAs) were reduced in H2O2 ADSC-EVs. Enhanced viability (P less then 0.05) of flaps treated with H2O2 ADSC-EVs compared with vehicle corresponded to increased capillary density in the H2O2 group (P less then 0.001). Conclusion Altered protein and miRNA content in ADSC-EVs after H2O2 pretreatment likely contributes to enhanced therapeutic effects on flap survival observed in preclinical models.Ischemic complications after immediate breast reconstruction have devastating consequences; however, individual risk assessment remains challenging. We seek to develop an intraoperative assessment tool to assist in estimating risk of ischemic complications in immediate breast reconstruction. Methods Patients undergoing immediate breast reconstruction were prospectively identified and evaluated with an intraoperative mastectomy flap ischemia risk assessment tool consisting of 8 binary questions. Breast measurements and patient demographics were recorded. Reconstructions were then prospectively evaluated postoperatively for ischemic complications. Outcomes were analyzed with significance set at P values 7 also had significantly higher rates of ischemic complications (P less then 0.0001, each). The sensitivity and specificity of intraoperative mastectomy flap compromise were 81.25% and 62.07%. Conclusions Ischemic complications after immediate breast reconstruction were positively correlated with higher scores using a clinical intraoperative mastectomy flap ischemia risk assessment tool. Scores greater than 5 seem to be a threshold value at which ischemic complications are significantly greater. This simple, easy-to-implement intraoperative tool may assist plastic surgeons in assessing risk and optimizing outcomes in immediate breast reconstruction.Various methods to generate the lining for a full-thickness nasal reconstruction have been reported. We used bilateral septal mucoperichondrial flaps, the distal portion of an expanded median forehead flap, and a nonlaminated vascularized free temporal fascia flap as a lining during total nasal reconstruction of a total full-thickness nasal defect in a 45-year-old woman with a nasal squamous cell carcinoma. In the first step of the two-stage surgery, a tissue expander was inserted into the forehead simultaneously with tumor resection. In the second step, the expanded median forehead flap, cartilage graft, bilateral septal mucoperichondrial flaps, and short pedicle vascularized free temporal fascia transfer were performed. Total nasal reconstruction could be completed without any skin graft or skin paddle of the free flap. Epithelialization of the mucosa on the transferred vascularized free temporal fascia without contracture deformity of the nasal cavity was confirmed by endoscopic examination after 8 years of follow-up. In the surgical procedure described, the facial skin, including the lining of the nostril rim, and the mucous membrane of the nasal cavity were reconstructed using facial skin and mucous membrane without long-term contracture, respectively.Various methods are used to reposition the superficial musculoaponeurotic system (SMAS) during facelift procedures. This study presents a novel, radially oriented, layered SMAS plication the triple-C SMAS plication. This technique utilizes customizable vectors in the pattern of a "C" to plicate the SMAS in 3 layers to lift and tighten the deep structures of the face. Methods A retrospective review was performed of patients undergoing the triple-C SMAS plication over a 1-year period. Patients with a length of follow-up less than 100 days were excluded from the study. Demographic data, operative data, complication rates, and satisfaction rates were assessed. Results One hundred ninety-one consecutive patients underwent a triple-C SMAS plication over a 12-month period. One hundred ten patients met inclusion criteria. Average follow-up was 404.5 days. Complications assessed included temporary facial nerve neuropraxia (0.91%), major hematoma (1.82%), minor hematoma (2.73%), seroma (4.54%), great auricular nerve injury (0%), postauricular skin slough >2 cm (1.
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  • 0006). No patients with standard-risk died, but 4 (14%) in the high-risk group did (P = .0007). Regardless of MRD status, high-risk patients had statistically significant worse progression-free survival than standard-risk patients. At median follow-up, those with disease 10% standard-risk/MRD negative; 20% standard-risk/MRD positive; 40% high-risk/MRD negative; and 45% high-risk/MRD positive had either experienced relapse or died (P = .0041). MRD status did not significantly affect overall survival in either group (P = .0914); however, longer follow-up is needed to assess survival. https://www.selleckchem.com/products/kg-501-2-naphthol-as-e-phosphate.html CONCLUSION Genetic abnormalities remain a powerful prognostic indicator for MM, regardless of MRD status. For newly diagnosed MM patients treated with novel triple-drug initial therapy and frontline autologous stem-cell transplantation, MRD-negative status did not mitigate the poor-prognosis outcomes of high-risk MM patients. BACKGROUND Integrating the proportion of ring sideroblasts and SF3B1 mutation status is required for diagnosis of sideroblastic subgroups in myelodysplastic syndrome (MDS) as proposed by the World Health Organization 2016 classification. However, the clinical implications of SF3B1 mutation and ring sideroblasts in MDS-refractory cytopenia with multilineage dysplasia (MDS-RCMD) remain unclear. PATIENTS AND METHODS Clinical and laboratory features in 238 MDS-RCMD patients were retrospectively analyzed, and the prognostic significance of SF3B1 mutation and ring sideroblasts on overall survival and leukemia-free survival in total MDS-RCMD patients and different subgroups stratified by the percentage of ring sideroblasts or SF3B1 mutation status were evaluated. RESULTS MDS-RCMD patients with ring sideroblasts ≥ 15% showed a significantly higher prevalence of SF3B1 mutation compared to ring sideroblasts 5%-14% or ring sideroblasts  less then 5% (75.6% vs. 15.1% vs. 6.4%, P  less then .001). In multivariate analysis, SF3B1 mutation was associated with a significantly prolonged survival (hazard ratio [HR] = 0.430, P = .013) and reduced leukemic transformation (HR = 0.174, P = .021) in total MDS-RCMD patients, while ring sideroblasts showed no independent effect on either survival or leukemic transformation. There were no significant differences in clinical characteristics or survival between MDS-RCMD patients with ring sideroblasts ≥ 15% and ring sideroblasts 5%-14% in the presence of SF3B1 mutation. Furthermore, SF3B1 mutation showed an independent prognostic effect on overall survival in MDS-RCMD patients with ring sideroblasts 5%-14% (HR = 0.195, P = .046). CONCLUSION SF3B1 mutation, not the presence of ring sideroblasts, identifies a distinct subtype and showed independent prognostic value on survival and leukemia transformation in MDS-RCMD patients. BACKGROUND AND AIMS Previous studies have reported associations between higher potato intake and higher blood pressure (BP) and/or risk of hypertension and obesity. These studies rarely considered preparation methods of potatoes, overall dietary pattern or the nutrient quality of the meals. These factors may affect the association of potato intake with BP and body mass index (BMI). This study investigated potato consumption by amount, type of processing, overall dietary pattern, and nutrient quality of the meals in relation to BP and BMI. METHODS Cross-sectional analyses were conducted among 2696 participants aged 40-59 y in the US and UK samples of the International Study of Macro- and Micro-Nutrients and Blood Pressure (INTERMAP). Nutrient quality of individual food items and the overall diet was assessed with the Nutrient-Rich Foods (NRF) index. RESULTS No associations with BP or BMI were found for total potato intake nor for boiled, mashed, or baked potatoes or potato-based mixed dishes. In US women, higher intake of fried potato was associated with 2.29 mmHg (95% CI 0.55, 3.83) higher systolic BP and with 1.14 mmHg (95% CI 0.10, 2.17) higher diastolic BP, independent of BMI. Higher fried potato consumption was directly associated with a +0.86 kg/m2 difference in BMI (95% CI 0.24, 1.58) in US women. These associations were not found in men. Higher intakes of fried potato meals with a lower nutritional quality (NRF index≤ 2) were positively associated with systolic (3.88 mmHg; 95% CI 2.63, 5.53) and diastolic BP (1.62 mmHg; 95% CI 0.48, 2.95) in US women. No associations with BP were observed for fried potato meals with a higher nutritional quality (NRF index> 2). CONCLUSIONS Fried potato was directly related to BP and BMI in women, but non-fried potato was not. Poor-nutrient quality meals were associated with intake of fried potatoes and higher BP, suggesting that accompanied dietary choices are key mediators of these associations. BACKGROUND & AIMS A low muscle mass before start of treatment and loss of muscle mass during chemotherapy is related to adverse outcomes in patients with cancer. In this randomized controlled trial, the effect of nutritional counseling on change in muscle mass and treatment outcome in patients with metastatic colorectal cancer during first-line chemotherapy was studied. METHODS Patients scheduled for first-line chemotherapy (n = 107) were randomly assigned to individualized nutritional counseling by a dietitian (NC) or usual care (UC). NC was aimed at sufficient protein- and energy intake, supported by oral supplements or enteral feeding if indicated. Furthermore, physical activity was encouraged. Outcomes were assessed at baseline (T0) and the time of the first (T1) and second (T2) regular follow-up computed tomography scans. The proportion of patients with a clinically relevant decrease in skeletal muscle area of ≥6.0 cm2, measured by computed tomography, was the primary outcome. Secondary outcomes included52; Netherlands Trial Register NTR4223. BACKGROUND Higher levels of anxiety, negative affect, and impaired emotion regulation are associated with alcohol use disorder (AUD) and contribute to relapse and worse treatment outcomes. Prazosin, while typically used to treat post-traumatic stress disorder (PTSD) and other anxiety disorders, has shown promise for treating AUD. In order to better understand these underlying neural processes in individuals with AUD, our aims in this study were to measure brain activation during an anticipatory anxiety task before treatment to determine whether observed patterns supported previous work. We then aimed to measure the effects of prazosin on patients with AUD and explore whether greater baseline anticipatory anxiety (as measured by subjective and neural measures) predicts better treatment outcomes. METHODS Thirty-four individuals seeking treatment for AUD participated in a six-week placebo-controlled study of prazosin and underwent an anticipatory anxiety task during fMRI scans at baseline and three weeks. Alcohol use over six weeks was measured.
    0006). No patients with standard-risk died, but 4 (14%) in the high-risk group did (P = .0007). Regardless of MRD status, high-risk patients had statistically significant worse progression-free survival than standard-risk patients. At median follow-up, those with disease 10% standard-risk/MRD negative; 20% standard-risk/MRD positive; 40% high-risk/MRD negative; and 45% high-risk/MRD positive had either experienced relapse or died (P = .0041). MRD status did not significantly affect overall survival in either group (P = .0914); however, longer follow-up is needed to assess survival. https://www.selleckchem.com/products/kg-501-2-naphthol-as-e-phosphate.html CONCLUSION Genetic abnormalities remain a powerful prognostic indicator for MM, regardless of MRD status. For newly diagnosed MM patients treated with novel triple-drug initial therapy and frontline autologous stem-cell transplantation, MRD-negative status did not mitigate the poor-prognosis outcomes of high-risk MM patients. BACKGROUND Integrating the proportion of ring sideroblasts and SF3B1 mutation status is required for diagnosis of sideroblastic subgroups in myelodysplastic syndrome (MDS) as proposed by the World Health Organization 2016 classification. However, the clinical implications of SF3B1 mutation and ring sideroblasts in MDS-refractory cytopenia with multilineage dysplasia (MDS-RCMD) remain unclear. PATIENTS AND METHODS Clinical and laboratory features in 238 MDS-RCMD patients were retrospectively analyzed, and the prognostic significance of SF3B1 mutation and ring sideroblasts on overall survival and leukemia-free survival in total MDS-RCMD patients and different subgroups stratified by the percentage of ring sideroblasts or SF3B1 mutation status were evaluated. RESULTS MDS-RCMD patients with ring sideroblasts ≥ 15% showed a significantly higher prevalence of SF3B1 mutation compared to ring sideroblasts 5%-14% or ring sideroblasts  less then 5% (75.6% vs. 15.1% vs. 6.4%, P  less then .001). In multivariate analysis, SF3B1 mutation was associated with a significantly prolonged survival (hazard ratio [HR] = 0.430, P = .013) and reduced leukemic transformation (HR = 0.174, P = .021) in total MDS-RCMD patients, while ring sideroblasts showed no independent effect on either survival or leukemic transformation. There were no significant differences in clinical characteristics or survival between MDS-RCMD patients with ring sideroblasts ≥ 15% and ring sideroblasts 5%-14% in the presence of SF3B1 mutation. Furthermore, SF3B1 mutation showed an independent prognostic effect on overall survival in MDS-RCMD patients with ring sideroblasts 5%-14% (HR = 0.195, P = .046). CONCLUSION SF3B1 mutation, not the presence of ring sideroblasts, identifies a distinct subtype and showed independent prognostic value on survival and leukemia transformation in MDS-RCMD patients. BACKGROUND AND AIMS Previous studies have reported associations between higher potato intake and higher blood pressure (BP) and/or risk of hypertension and obesity. These studies rarely considered preparation methods of potatoes, overall dietary pattern or the nutrient quality of the meals. These factors may affect the association of potato intake with BP and body mass index (BMI). This study investigated potato consumption by amount, type of processing, overall dietary pattern, and nutrient quality of the meals in relation to BP and BMI. METHODS Cross-sectional analyses were conducted among 2696 participants aged 40-59 y in the US and UK samples of the International Study of Macro- and Micro-Nutrients and Blood Pressure (INTERMAP). Nutrient quality of individual food items and the overall diet was assessed with the Nutrient-Rich Foods (NRF) index. RESULTS No associations with BP or BMI were found for total potato intake nor for boiled, mashed, or baked potatoes or potato-based mixed dishes. In US women, higher intake of fried potato was associated with 2.29 mmHg (95% CI 0.55, 3.83) higher systolic BP and with 1.14 mmHg (95% CI 0.10, 2.17) higher diastolic BP, independent of BMI. Higher fried potato consumption was directly associated with a +0.86 kg/m2 difference in BMI (95% CI 0.24, 1.58) in US women. These associations were not found in men. Higher intakes of fried potato meals with a lower nutritional quality (NRF index≤ 2) were positively associated with systolic (3.88 mmHg; 95% CI 2.63, 5.53) and diastolic BP (1.62 mmHg; 95% CI 0.48, 2.95) in US women. No associations with BP were observed for fried potato meals with a higher nutritional quality (NRF index> 2). CONCLUSIONS Fried potato was directly related to BP and BMI in women, but non-fried potato was not. Poor-nutrient quality meals were associated with intake of fried potatoes and higher BP, suggesting that accompanied dietary choices are key mediators of these associations. BACKGROUND & AIMS A low muscle mass before start of treatment and loss of muscle mass during chemotherapy is related to adverse outcomes in patients with cancer. In this randomized controlled trial, the effect of nutritional counseling on change in muscle mass and treatment outcome in patients with metastatic colorectal cancer during first-line chemotherapy was studied. METHODS Patients scheduled for first-line chemotherapy (n = 107) were randomly assigned to individualized nutritional counseling by a dietitian (NC) or usual care (UC). NC was aimed at sufficient protein- and energy intake, supported by oral supplements or enteral feeding if indicated. Furthermore, physical activity was encouraged. Outcomes were assessed at baseline (T0) and the time of the first (T1) and second (T2) regular follow-up computed tomography scans. The proportion of patients with a clinically relevant decrease in skeletal muscle area of ≥6.0 cm2, measured by computed tomography, was the primary outcome. Secondary outcomes included52; Netherlands Trial Register NTR4223. BACKGROUND Higher levels of anxiety, negative affect, and impaired emotion regulation are associated with alcohol use disorder (AUD) and contribute to relapse and worse treatment outcomes. Prazosin, while typically used to treat post-traumatic stress disorder (PTSD) and other anxiety disorders, has shown promise for treating AUD. In order to better understand these underlying neural processes in individuals with AUD, our aims in this study were to measure brain activation during an anticipatory anxiety task before treatment to determine whether observed patterns supported previous work. We then aimed to measure the effects of prazosin on patients with AUD and explore whether greater baseline anticipatory anxiety (as measured by subjective and neural measures) predicts better treatment outcomes. METHODS Thirty-four individuals seeking treatment for AUD participated in a six-week placebo-controlled study of prazosin and underwent an anticipatory anxiety task during fMRI scans at baseline and three weeks. Alcohol use over six weeks was measured.
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  • The aim of this study was to explore the main factors affecting the occurrence of dandruff in healthy people (nondisease-induced scalp desquamation). This study analyzed the fungal microbial diversity of the scalp in Chinese teenage volunteers and measured scalp sebum secretion, the scalp pH value, and scalp transepidermal water loss. The amount and size of dandruff were measured, and the main factors that influence dandruff in the normal population were identified using principal component analysis. The results showed that an increase in Malassezia restricta led to an increased amount of dandruff in the mild and moderate groups. Conversely, this was not found for individuals in the severe group, whose dandruff symptoms were influenced by scalp barrier function. In terms of dandruff area grouping, the pH value and the amount of sebum secretion were the main factors, with the barrier function and microbial diversity being secondary factors. Dandruff cosmetics should emphasize different treatments for different types of dandruff to achieve better antidandruff effects. The results of this study provide a new theoretical basis for the development of multiple targets for antidandruff agents aimed at the normal population.Currently, cell membrane is always utilized for the construction of biomimetic nanoparticles. By contrast, mimicking the intracellular activity seems more meaningful. Inspired by the specific killing mechanism of deoxy-hemoglobin (Hb) dependent drug (RRx-001) in hypoxic red blood cells (RBC), this work aims to develop an inner and outer RBC-biomimetic antitumor nanoplatform that replicates both membrane surface properties and intracellularly certain therapeutic mechanisms of RRx-001 in hypoxic RBC. Herein, RRx-001 and Hb are introduced into RBC membrane camouflaged TiO2 nanoparticles. Upon arrival at hypoxic tumor microenvironment (TME), the biomimetic nanoplatform (R@HTR) is activated and triggers a series of reactions to generate reactive nitrogen species (RNS). More importantly, the potent antitumor immunity and immunomodulatory function of RNS in TME are demonstrated. Such an idea would transfer the battlefield of RRx-001 from hypoxic RBC to hypoxic TME, enhancing its combat capability. As a proof of concept, this biomimetic nanoreactor of RNS exhibits efficient tumor regression and metastasis prevention. The battlefield transfer strategy would not only present meaningful insights for immunotherapy, but also realize substantial breakthroughs in biomimetic nanotechnology.Colloidal quantum dots (QDs) are a fascinating class of semiconducting nanocrystals, thanks to their optical properties tunable through size and composition, and simple synthesis methods. Recently, colloidal double-emission QDs have been successfully applied as competitive optical temperature sensors, since they exhibit structure-tunable double emission, temperature-dependent photoluminescence, high quantum yield, and excellent photostability. Until now, QDs have been used as nanothermometers for in vivo biological thermal imaging, and thermal mapping in complex environments at the sub-microscale to nanoscale range. In this Review, recent progress for QD-based nanothermometers is highlighted and perspectives for future work are described.Background We examined the association between social capital score, motivator factors and demographic and donation characteristics and donor return at three Brazilian blood centres in Recife, São Paulo and Belo Horizonte. Material and methods A total of 5974 donors were interviewed about motivation factors to donate and cognitive and structural social capital just before an effective donation in three Brazilians blood centres in 2009. We assessed the return to a new donation within 2 years for each of these donors. Demographic and donation characteristics, motivators and scores of social capital and their association with donors' return were assessed. Results Overall, 3123 (52.3%) of the study subjects returned for a blood donation at least once. Predictors of donors' return were male gender (adjusted odds ratio [AOR] = 1.6, 1.3-1.9, for replacement and AOR = 1.3, 1.2-1.6, for community donors), previous donation (AOR = 2.7, 2.3-3.3, for replacement and AOR = 2.9, 2.5-3.5, for community donors) and high altruism (AOR = 1.3, 1.1-1.7, for replacement and AOR = 1.2, 1.0-1.5, for community donors). Altruism was the only motivator associated with return behaviour. Donors from Recife and São Paulo were more likely to return for replacement and/or for community donations than donors from Belo Horizonte. There was no association between social capital score and donor return behaviour. https://www.selleckchem.com/products/glx351322.html Conclusion The likelihood to return for a subsequent blood donation is dependent upon characteristics of individual donors and also varies in different regions of Brazil. However, social capital was not associated with the likelihood of return behaviour. A better understanding of altruistic categories and appeals may help to improve donor recruitment and retention.N-Confused meso-tetrakis(4-carbomethoxyphenyl)porphyrin (1) and its Ni(II) complex (1 a) have been synthesized and utilized for anion sensing studies, and the results are compared with N-confused meso-tetraphenylporphyrin (NCTPP). Anion susceptibilities of 1 and 1 a were investigated using spectroscopic, electrochemical, and DFT studies. Porphyrins 1 and 1 a were able to detect CN- , F- , and ClO4 - ions selectively over the tested set of anions even at ppm level. Interestingly, the addition of ClO4 - ions resulted in fluorescence quenching (turn off) whereas the addition of F- or CN- resulted in fluorescence enhancement (turn on). Notably, the TFA addition resulted in fluorescence quenching, whereas the fluorescence enhancement was observed while adding TBAOH. The higher association constant (Ka ) values with anions, lower detection limit, and shifts in redox potentials are due to the electron-withdrawing effect of the -COOCH3 group at the para-position of the meso-phenyl ring. This electron-withdrawing nature is crucial for the higher affinity towards anions. The anion sensing description in this article may not only unveil the built-in nature of N-confused porphyrins, but may also provide a general proposal for the development of novel anion sensors based on porphyrinoids. The electron-deficient porphyrin framework, large polarisable π-system, and anion binding through the outer NH or a combination of the above factors serve as a foundation for N-confused porphyrin to act as an anion sensor.
    The aim of this study was to explore the main factors affecting the occurrence of dandruff in healthy people (nondisease-induced scalp desquamation). This study analyzed the fungal microbial diversity of the scalp in Chinese teenage volunteers and measured scalp sebum secretion, the scalp pH value, and scalp transepidermal water loss. The amount and size of dandruff were measured, and the main factors that influence dandruff in the normal population were identified using principal component analysis. The results showed that an increase in Malassezia restricta led to an increased amount of dandruff in the mild and moderate groups. Conversely, this was not found for individuals in the severe group, whose dandruff symptoms were influenced by scalp barrier function. In terms of dandruff area grouping, the pH value and the amount of sebum secretion were the main factors, with the barrier function and microbial diversity being secondary factors. Dandruff cosmetics should emphasize different treatments for different types of dandruff to achieve better antidandruff effects. The results of this study provide a new theoretical basis for the development of multiple targets for antidandruff agents aimed at the normal population.Currently, cell membrane is always utilized for the construction of biomimetic nanoparticles. By contrast, mimicking the intracellular activity seems more meaningful. Inspired by the specific killing mechanism of deoxy-hemoglobin (Hb) dependent drug (RRx-001) in hypoxic red blood cells (RBC), this work aims to develop an inner and outer RBC-biomimetic antitumor nanoplatform that replicates both membrane surface properties and intracellularly certain therapeutic mechanisms of RRx-001 in hypoxic RBC. Herein, RRx-001 and Hb are introduced into RBC membrane camouflaged TiO2 nanoparticles. Upon arrival at hypoxic tumor microenvironment (TME), the biomimetic nanoplatform (R@HTR) is activated and triggers a series of reactions to generate reactive nitrogen species (RNS). More importantly, the potent antitumor immunity and immunomodulatory function of RNS in TME are demonstrated. Such an idea would transfer the battlefield of RRx-001 from hypoxic RBC to hypoxic TME, enhancing its combat capability. As a proof of concept, this biomimetic nanoreactor of RNS exhibits efficient tumor regression and metastasis prevention. The battlefield transfer strategy would not only present meaningful insights for immunotherapy, but also realize substantial breakthroughs in biomimetic nanotechnology.Colloidal quantum dots (QDs) are a fascinating class of semiconducting nanocrystals, thanks to their optical properties tunable through size and composition, and simple synthesis methods. Recently, colloidal double-emission QDs have been successfully applied as competitive optical temperature sensors, since they exhibit structure-tunable double emission, temperature-dependent photoluminescence, high quantum yield, and excellent photostability. Until now, QDs have been used as nanothermometers for in vivo biological thermal imaging, and thermal mapping in complex environments at the sub-microscale to nanoscale range. In this Review, recent progress for QD-based nanothermometers is highlighted and perspectives for future work are described.Background We examined the association between social capital score, motivator factors and demographic and donation characteristics and donor return at three Brazilian blood centres in Recife, São Paulo and Belo Horizonte. Material and methods A total of 5974 donors were interviewed about motivation factors to donate and cognitive and structural social capital just before an effective donation in three Brazilians blood centres in 2009. We assessed the return to a new donation within 2 years for each of these donors. Demographic and donation characteristics, motivators and scores of social capital and their association with donors' return were assessed. Results Overall, 3123 (52.3%) of the study subjects returned for a blood donation at least once. Predictors of donors' return were male gender (adjusted odds ratio [AOR] = 1.6, 1.3-1.9, for replacement and AOR = 1.3, 1.2-1.6, for community donors), previous donation (AOR = 2.7, 2.3-3.3, for replacement and AOR = 2.9, 2.5-3.5, for community donors) and high altruism (AOR = 1.3, 1.1-1.7, for replacement and AOR = 1.2, 1.0-1.5, for community donors). Altruism was the only motivator associated with return behaviour. Donors from Recife and São Paulo were more likely to return for replacement and/or for community donations than donors from Belo Horizonte. There was no association between social capital score and donor return behaviour. https://www.selleckchem.com/products/glx351322.html Conclusion The likelihood to return for a subsequent blood donation is dependent upon characteristics of individual donors and also varies in different regions of Brazil. However, social capital was not associated with the likelihood of return behaviour. A better understanding of altruistic categories and appeals may help to improve donor recruitment and retention.N-Confused meso-tetrakis(4-carbomethoxyphenyl)porphyrin (1) and its Ni(II) complex (1 a) have been synthesized and utilized for anion sensing studies, and the results are compared with N-confused meso-tetraphenylporphyrin (NCTPP). Anion susceptibilities of 1 and 1 a were investigated using spectroscopic, electrochemical, and DFT studies. Porphyrins 1 and 1 a were able to detect CN- , F- , and ClO4 - ions selectively over the tested set of anions even at ppm level. Interestingly, the addition of ClO4 - ions resulted in fluorescence quenching (turn off) whereas the addition of F- or CN- resulted in fluorescence enhancement (turn on). Notably, the TFA addition resulted in fluorescence quenching, whereas the fluorescence enhancement was observed while adding TBAOH. The higher association constant (Ka ) values with anions, lower detection limit, and shifts in redox potentials are due to the electron-withdrawing effect of the -COOCH3 group at the para-position of the meso-phenyl ring. This electron-withdrawing nature is crucial for the higher affinity towards anions. The anion sensing description in this article may not only unveil the built-in nature of N-confused porphyrins, but may also provide a general proposal for the development of novel anion sensors based on porphyrinoids. The electron-deficient porphyrin framework, large polarisable π-system, and anion binding through the outer NH or a combination of the above factors serve as a foundation for N-confused porphyrin to act as an anion sensor.
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  • A recurrent mite infestation affecting a room used to inspect fabric in a UK textile mill was investigated to allay concerns of any potential health risks to factory staff, and to inform the unknown risk of downgrading of the product. The approach integrated conventional morphological examination of adult female mites by referring to published identification keys, with molecular speciation based on amplification of a 16S ribosomal DNA fragment. The methods enabled the mites to be unambiguously identified as Dermanyssus gallinae 'special lineage L1'. Subsequent investigations showed the source of infestation to be pigeons nesting in the air ducts, with the gamasid mites moving into the room once the young birds had fledged. This is the first report of D. gallinae 'special lineage L1' in northern Europe. Previous reports of nosocominal gamasoidosis caused by D. gallinae 'special lineage L1' originating from feral pigeon populations have been from southern Europe. Confirmation of the mite identity was important in allowing the mill to take remedial and preventive action. In this clinical communication, we provide images of the key morphological features used to identify D. gallinae and describe a molecular protocol to confirm 'special lineage L1'.Background Availability of data to assess the population health and provision and quality of health care in Saudi Arabia has been lacking. In 2010, Saudi Arabia began a major investment and transformation programme in the health-care sector. Here we assess the impact of this investment era on mortality, health loss, risk factors, and health-care services in the country. Methods We used results of the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2017 to describe the levels and temporal patterns in deaths, health loss, risk factors, and health-care access and quality in the Saudi Arabian population during 1990-2010 (before the health-care investments and reform) and 2010-17 (during health-care investments and reform). We also compared patterns in health outcomes between these periods with those in the north Africa and the Middle East GBD region and the Gulf Cooperation Council countries. Findings Age-standardised mortality in Saudi Arabia decreased from 1990 to 2010 (annualised rate of chanudi Arabia during this period with similar patterns to the rest of the Gulf Cooperation Council countries and the north Africa and the Middle East GBD region. Interpretation Decreases in mortality continued at greater rates in Saudi Arabia during the period of 2010-17 than in 1990-2010. HAQ Index levels have also improved. Public health policy makers in Saudi Arabia need to increase efforts to address preventable risk factors that are major contributors to the burden of ill health and disability. Funding Bill & Melinda Gates Foundation.Background Active travel is increasingly recognised as an important source of physical activity. We aimed to describe associations between commute mode and cardiovascular disease, cancer, and all-cause mortality. Methods We analysed data from the Office for National Statistics Longitudinal Study of England and Wales (ONS-LS), which linked data from the Census of England and Wales (henceforth referred to as the Census) for 1991, 2001, and 2011 to mortality and cancer registrations. The cohort included individuals traced in the ONS-LS who were economically active (ie, aged ≥16 years, not retired from work, and not a full-time carer). Commuting by private motorised transport, public transport, walking, and cycling were compared in terms of all-cause mortality, cancer mortality, cardiovascular disease mortality, and cancer incidence, using Cox proportional-hazards models with time-varying covariates. Models were adjusted for age, sex, housing tenure, marital status, ethnicity, university education, car access, pomortality (HR 0·90, 95% CI 0·83-0·97) and a 21% decreased rate of cardiovascular disease mortality (0·79, 0·67-0·94), in addition to a 12% reduced rate of incident cancer (0·88, 0·83-0·94). Walk commuting was associated with 7% lower cancer incidence (HR 0·93, 95% CI 0·89-0·97) Stratified analyses did not indicate differences in associations between socioeconomic groups. Interpretation Our findings augment existing evidence for the beneficial health effects of physically active commute modes, particularly cycling and train use, and suggest that all socioeconomic groups could benefit. Funding National Institute for Health Research.Background Hydraulic fracturing often involves the injection of millions of gallons of fracturing fluids into underground shales to extract oil and natural gas, raising health concerns over potential water contamination. Many state and federal governmental agencies rely on the third-party FracFocus online registry for disclosure of chemical ingredients in fracturing fluids, but withholding chemicals as trade secrets is common. In 2016, a new format, known as the systems approach was widely encouraged as a method of reducing withholding by decoupling disclosed chemicals from their functions, protecting against reverse-engineering of fracture fluid formulas by competitors. https://www.selleckchem.com/products/6-aminonicotinamide.html In this study, we assess the extent to which elevated use of the systems approach in FracFocus version 3.0 translated into greater chemical disclosure. Methods We analysed 108 137 disclosure forms submitted to FracFocus between Jan 1, 2011, and Dec 31, 2018, to estimate the effect of expanded use of the systems approach on chemical withholdinms approach has not reduced FracFocus chemical withholding, which continues to occur in around 87% of well fracture disclosures. FracFocus might not be an appropriate substitute for regulatory action, and measures are urgently needed for environmental and public safety. Funding University of Chicago Argonne National Laboratory Seed Grant.Study objective The primary objective was to introduce an intraoperative Blood Conservation Bundle (BCB) checklist into clinical practice and assess its impact on perioperative blood transfusion rates during myomectomy. Study design Prospective cohort study with retrospective control group SETTING A Canadian tertiary-care teaching hospital PATIENTS One hundred and eighty-six women who underwent myomectomy INTERVENTIONS The BCB is a physical checklist attached to the patient chart consisting of evidence-based medical and surgical interventions to reduce intraoperative blood loss. It was introduced in October 2018 and data were collected prospectively during a 12-month period for all open, robotic and laparoscopic myomectomies at our institution. Primary outcome was perioperative transfusion rate and secondary outcomes included estimated intraoperative blood loss (EBL), perioperative complications, readmissions, and BCB utilization rates. Data were compared to a historical control group from the 24-month period prior to BCB introduction.
    A recurrent mite infestation affecting a room used to inspect fabric in a UK textile mill was investigated to allay concerns of any potential health risks to factory staff, and to inform the unknown risk of downgrading of the product. The approach integrated conventional morphological examination of adult female mites by referring to published identification keys, with molecular speciation based on amplification of a 16S ribosomal DNA fragment. The methods enabled the mites to be unambiguously identified as Dermanyssus gallinae 'special lineage L1'. Subsequent investigations showed the source of infestation to be pigeons nesting in the air ducts, with the gamasid mites moving into the room once the young birds had fledged. This is the first report of D. gallinae 'special lineage L1' in northern Europe. Previous reports of nosocominal gamasoidosis caused by D. gallinae 'special lineage L1' originating from feral pigeon populations have been from southern Europe. Confirmation of the mite identity was important in allowing the mill to take remedial and preventive action. In this clinical communication, we provide images of the key morphological features used to identify D. gallinae and describe a molecular protocol to confirm 'special lineage L1'.Background Availability of data to assess the population health and provision and quality of health care in Saudi Arabia has been lacking. In 2010, Saudi Arabia began a major investment and transformation programme in the health-care sector. Here we assess the impact of this investment era on mortality, health loss, risk factors, and health-care services in the country. Methods We used results of the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2017 to describe the levels and temporal patterns in deaths, health loss, risk factors, and health-care access and quality in the Saudi Arabian population during 1990-2010 (before the health-care investments and reform) and 2010-17 (during health-care investments and reform). We also compared patterns in health outcomes between these periods with those in the north Africa and the Middle East GBD region and the Gulf Cooperation Council countries. Findings Age-standardised mortality in Saudi Arabia decreased from 1990 to 2010 (annualised rate of chanudi Arabia during this period with similar patterns to the rest of the Gulf Cooperation Council countries and the north Africa and the Middle East GBD region. Interpretation Decreases in mortality continued at greater rates in Saudi Arabia during the period of 2010-17 than in 1990-2010. HAQ Index levels have also improved. Public health policy makers in Saudi Arabia need to increase efforts to address preventable risk factors that are major contributors to the burden of ill health and disability. Funding Bill & Melinda Gates Foundation.Background Active travel is increasingly recognised as an important source of physical activity. We aimed to describe associations between commute mode and cardiovascular disease, cancer, and all-cause mortality. Methods We analysed data from the Office for National Statistics Longitudinal Study of England and Wales (ONS-LS), which linked data from the Census of England and Wales (henceforth referred to as the Census) for 1991, 2001, and 2011 to mortality and cancer registrations. The cohort included individuals traced in the ONS-LS who were economically active (ie, aged ≥16 years, not retired from work, and not a full-time carer). Commuting by private motorised transport, public transport, walking, and cycling were compared in terms of all-cause mortality, cancer mortality, cardiovascular disease mortality, and cancer incidence, using Cox proportional-hazards models with time-varying covariates. Models were adjusted for age, sex, housing tenure, marital status, ethnicity, university education, car access, pomortality (HR 0·90, 95% CI 0·83-0·97) and a 21% decreased rate of cardiovascular disease mortality (0·79, 0·67-0·94), in addition to a 12% reduced rate of incident cancer (0·88, 0·83-0·94). Walk commuting was associated with 7% lower cancer incidence (HR 0·93, 95% CI 0·89-0·97) Stratified analyses did not indicate differences in associations between socioeconomic groups. Interpretation Our findings augment existing evidence for the beneficial health effects of physically active commute modes, particularly cycling and train use, and suggest that all socioeconomic groups could benefit. Funding National Institute for Health Research.Background Hydraulic fracturing often involves the injection of millions of gallons of fracturing fluids into underground shales to extract oil and natural gas, raising health concerns over potential water contamination. Many state and federal governmental agencies rely on the third-party FracFocus online registry for disclosure of chemical ingredients in fracturing fluids, but withholding chemicals as trade secrets is common. In 2016, a new format, known as the systems approach was widely encouraged as a method of reducing withholding by decoupling disclosed chemicals from their functions, protecting against reverse-engineering of fracture fluid formulas by competitors. https://www.selleckchem.com/products/6-aminonicotinamide.html In this study, we assess the extent to which elevated use of the systems approach in FracFocus version 3.0 translated into greater chemical disclosure. Methods We analysed 108 137 disclosure forms submitted to FracFocus between Jan 1, 2011, and Dec 31, 2018, to estimate the effect of expanded use of the systems approach on chemical withholdinms approach has not reduced FracFocus chemical withholding, which continues to occur in around 87% of well fracture disclosures. FracFocus might not be an appropriate substitute for regulatory action, and measures are urgently needed for environmental and public safety. Funding University of Chicago Argonne National Laboratory Seed Grant.Study objective The primary objective was to introduce an intraoperative Blood Conservation Bundle (BCB) checklist into clinical practice and assess its impact on perioperative blood transfusion rates during myomectomy. Study design Prospective cohort study with retrospective control group SETTING A Canadian tertiary-care teaching hospital PATIENTS One hundred and eighty-six women who underwent myomectomy INTERVENTIONS The BCB is a physical checklist attached to the patient chart consisting of evidence-based medical and surgical interventions to reduce intraoperative blood loss. It was introduced in October 2018 and data were collected prospectively during a 12-month period for all open, robotic and laparoscopic myomectomies at our institution. Primary outcome was perioperative transfusion rate and secondary outcomes included estimated intraoperative blood loss (EBL), perioperative complications, readmissions, and BCB utilization rates. Data were compared to a historical control group from the 24-month period prior to BCB introduction.
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  • In the manufacturing industry, grinding is used as a major process for machining difficult-to-cut materials. Grinding is the most complicated and precise machining process. For grinding machines, continuous generating gear grinding machines are widely used to machine gears which are essential machine elements. However, due to its complicated process, it is very difficult to design a reliable measurement method to identify the grinding wheel loading phenomena during the grinding process. Therefore, this paper proposes a measurement method to identify the grinding wheel loading phenomenon in the grinding process for continuous generating gear grinding machines. In the proposed approach, an acoustic emission (AE) sensor was embedded to monitor the grinding wheel conditions; an offline digital image processing technique was used to determine the loading areas over the surface of Al2O3 grinding wheels; and surface roughness of the ground workpiece was measured to quantify its machining quality. Then these three data were analyzed to find their correlation. The experimental results have shown that there are two stages of grinding in the grinding process and the proposed measurement method can provide a quantitative grinding wheel loading evaluation from the AE signals online.Programmed cell death, such as apoptosis and autophagy, are key processes that are activated early on during development, leading to remodelling in embryos and homeostasis in adult organisms. Genomic conservation of death factors has been largely investigated in the animal and plant kingdoms. In this study, we analysed, for the first time, the expression profile of 11 genes involved in apoptosis (extrinsic and intrinsic pathways) and autophagy in sea urchin Paracentrotus lividus embryos exposed to antiproliferative polyunsaturated aldehydes (PUAs), and we compared these results with those obtained on the human cell line A549 treated with the same molecules. We found that sea urchins and human cells activated, at the gene level, a similar cell death response to these compounds. Despite the evolutionary distance between sea urchins and humans, we observed that the activation of apoptotic and autophagic genes in response to cytotoxic compounds is a conserved process. These results give first insight on death mechanisms of P. lividus death mechanisms, also providing additional information for the use of this marine organism as a useful in vitro model for the study of cell death signalling pathways activated in response to chemical compounds.Acidotermophilic bacteria Alicyclobacillus acidoterrestris is one of the main contaminants in the fruit industry forming biofilms which are difficult to remove from the production line by conventional methods. https://www.selleckchem.com/products/orelabrutinib.html An alternative approach aims for the use of essential oils to prevent Alicyclobacillus biofilm development. The effect of clove essential oil on A. acidoterrestris biofilms on glass and polyvinyl chloride surfaces under static and agitated culture conditions was investigated by atomic force microscopy and the plate count method. The medium-flow and the type of technical surface significantly influenced A. acidoterrestris biofilm. The PVC was colonized in a greater extent comparing to glass. Clove essential oil in 0.05% (v/v) caused 25.1-65.0% reduction of biofilms on the technical surfaces along with substantial changes in their morphology by a decrease in the biofilm height, surface roughness, and surface area difference. The oil also induced alteration in individual bacterial cells length and visible increase of their roughness. Clove essential oil seems to release EPS from biofilm and thus induce detachment of bacteria from the surface. Due to anti-A. acidoterrestris biofilm activity, the clove oil may be used in the juice industry to hinder a development of A. acidoterrestris biofilms on production surfaces.This study examined the expression patterns of antioxidative genes and the activity of the corresponding enzymes in the excess moisture-stressed seedlings of soybean in response to seed treatment with polyamines, spermine (Spm) and spermidine (Spd). At the 4 day after planting (DAP) stage, the excess moisture impaired the embryo axis growth, and this effect is associated with the downregulation of superoxide dismutase (GmSOD1) expression and *** activity in the cotyledon. Seed treatment with Spm reversed the effects of excess moisture on embryo axis growth partly through enhancing glutathione reductase (GR) activity, in both the cotyledon and embryo axis, although no effect on the GmGR expression level was evident. Excess moisture inhibited the shoot and root growth in 7 DAP seedlings, and this is associated with decreased activities of GR in the shoot and *** in the root. The effect of excess moisture on shoot and root growth was reversed by seed treatment with Spd, and this was mediated by the increased activities of ascorbate peroxidase (APX), catalase (CAT) and GR in the shoot, and APX in the root, however, only GR in the shoot appears to be regulated transcriptionally. Root growth was also reversed by seed treatment with Spm with no positive effect on gene expression and enzyme activity.With the development of fine surgery and desire for low-injury methods, the frictional properties of surgical sutures are one of the crucial factors that can cause damage to tissue, especially for some fragile and sensitive human tissues such as the eyeball. In this study, dopamine hydrochloride and graphene oxide were used as external application agents to prepare a biological coating for the surface of multifilament surgical sutures. The effects of this biocoating on the surface morphology, chemical properties, mechanical properties, and tribological properties of surgical sutures were studied. The friction force and the coefficient of friction of surgical sutures penetrating through a skin substitute were evaluated using a penetration friction apparatus and a linear elastic model. The tribological mechanism of the coating on the multifilament surgical sutures was investigated according to the results of the tribological test. The results showed that there were uniform dopamine and graphene oxide films on the surface of the surgical sutures, and that the fracture strength and yield stress of the coated sutures both increased.
    In the manufacturing industry, grinding is used as a major process for machining difficult-to-cut materials. Grinding is the most complicated and precise machining process. For grinding machines, continuous generating gear grinding machines are widely used to machine gears which are essential machine elements. However, due to its complicated process, it is very difficult to design a reliable measurement method to identify the grinding wheel loading phenomena during the grinding process. Therefore, this paper proposes a measurement method to identify the grinding wheel loading phenomenon in the grinding process for continuous generating gear grinding machines. In the proposed approach, an acoustic emission (AE) sensor was embedded to monitor the grinding wheel conditions; an offline digital image processing technique was used to determine the loading areas over the surface of Al2O3 grinding wheels; and surface roughness of the ground workpiece was measured to quantify its machining quality. Then these three data were analyzed to find their correlation. The experimental results have shown that there are two stages of grinding in the grinding process and the proposed measurement method can provide a quantitative grinding wheel loading evaluation from the AE signals online.Programmed cell death, such as apoptosis and autophagy, are key processes that are activated early on during development, leading to remodelling in embryos and homeostasis in adult organisms. Genomic conservation of death factors has been largely investigated in the animal and plant kingdoms. In this study, we analysed, for the first time, the expression profile of 11 genes involved in apoptosis (extrinsic and intrinsic pathways) and autophagy in sea urchin Paracentrotus lividus embryos exposed to antiproliferative polyunsaturated aldehydes (PUAs), and we compared these results with those obtained on the human cell line A549 treated with the same molecules. We found that sea urchins and human cells activated, at the gene level, a similar cell death response to these compounds. Despite the evolutionary distance between sea urchins and humans, we observed that the activation of apoptotic and autophagic genes in response to cytotoxic compounds is a conserved process. These results give first insight on death mechanisms of P. lividus death mechanisms, also providing additional information for the use of this marine organism as a useful in vitro model for the study of cell death signalling pathways activated in response to chemical compounds.Acidotermophilic bacteria Alicyclobacillus acidoterrestris is one of the main contaminants in the fruit industry forming biofilms which are difficult to remove from the production line by conventional methods. https://www.selleckchem.com/products/orelabrutinib.html An alternative approach aims for the use of essential oils to prevent Alicyclobacillus biofilm development. The effect of clove essential oil on A. acidoterrestris biofilms on glass and polyvinyl chloride surfaces under static and agitated culture conditions was investigated by atomic force microscopy and the plate count method. The medium-flow and the type of technical surface significantly influenced A. acidoterrestris biofilm. The PVC was colonized in a greater extent comparing to glass. Clove essential oil in 0.05% (v/v) caused 25.1-65.0% reduction of biofilms on the technical surfaces along with substantial changes in their morphology by a decrease in the biofilm height, surface roughness, and surface area difference. The oil also induced alteration in individual bacterial cells length and visible increase of their roughness. Clove essential oil seems to release EPS from biofilm and thus induce detachment of bacteria from the surface. Due to anti-A. acidoterrestris biofilm activity, the clove oil may be used in the juice industry to hinder a development of A. acidoterrestris biofilms on production surfaces.This study examined the expression patterns of antioxidative genes and the activity of the corresponding enzymes in the excess moisture-stressed seedlings of soybean in response to seed treatment with polyamines, spermine (Spm) and spermidine (Spd). At the 4 day after planting (DAP) stage, the excess moisture impaired the embryo axis growth, and this effect is associated with the downregulation of superoxide dismutase (GmSOD1) expression and SOD activity in the cotyledon. Seed treatment with Spm reversed the effects of excess moisture on embryo axis growth partly through enhancing glutathione reductase (GR) activity, in both the cotyledon and embryo axis, although no effect on the GmGR expression level was evident. Excess moisture inhibited the shoot and root growth in 7 DAP seedlings, and this is associated with decreased activities of GR in the shoot and SOD in the root. The effect of excess moisture on shoot and root growth was reversed by seed treatment with Spd, and this was mediated by the increased activities of ascorbate peroxidase (APX), catalase (CAT) and GR in the shoot, and APX in the root, however, only GR in the shoot appears to be regulated transcriptionally. Root growth was also reversed by seed treatment with Spm with no positive effect on gene expression and enzyme activity.With the development of fine surgery and desire for low-injury methods, the frictional properties of surgical sutures are one of the crucial factors that can cause damage to tissue, especially for some fragile and sensitive human tissues such as the eyeball. In this study, dopamine hydrochloride and graphene oxide were used as external application agents to prepare a biological coating for the surface of multifilament surgical sutures. The effects of this biocoating on the surface morphology, chemical properties, mechanical properties, and tribological properties of surgical sutures were studied. The friction force and the coefficient of friction of surgical sutures penetrating through a skin substitute were evaluated using a penetration friction apparatus and a linear elastic model. The tribological mechanism of the coating on the multifilament surgical sutures was investigated according to the results of the tribological test. The results showed that there were uniform dopamine and graphene oxide films on the surface of the surgical sutures, and that the fracture strength and yield stress of the coated sutures both increased.
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