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The development of oxygen reduction reaction (ORR) electrocatalysts based on earth-abundant nonprecious materials is critically important for sustainable large-scale applications of fuel cells and metal-air batteries. Herein, a hetero-single-atom (h-SA) ORR electrocatalyst is presented, which has atomically dispersed Fe and Ni coanchored to a microsized nitrogen-doped graphitic carbon support with unique trimodal-porous structure configured by highly ordered macropores interconnected through mesopores. Extended X-ray absorption fine structure spectra confirm that Fe- and Ni-SAs are affixed to the carbon support via FeN4 and NiN4 coordination bonds. The resultant Fe/Ni h-SA electrocatalyst exhibits an outstanding ORR activity, outperforming SA electrocatalysts with only Fe- or Ni-SAs, and the benchmark Pt/C. The obtained experimental results indicate that the achieved outstanding ORR performance results from the synergetic enhancement induced by the coexisting FeN4 and NiN4 sites, and the superior mass-transfer capability promoted by the trimodal-porous-structured carbon support.Understanding whether assemblages of species respond more strongly to bottom-up (availability of trophic resources or habitats) or top-down (predation pressure) processes is important for effective management of resources and ecosystems. We determined the relative influence of environmental factors and predation by humans in shaping the density, biomass, and species richness of 4 medium-bodied (10-40 cm total length [TL]) coral reef fish groups targeted by fishers (mesopredators, planktivores, grazer and detritivores, and scrapers) and the density of 2 groups not targeted by fishers (invertivores, small fish ≤10 cm TL) in the central Philippines. Boosted regression trees were used to model the response of each fish group to 21 predictor variables 13 habitat variables, 5 island variables, and 3 fishing variables (no-take marine reserve [NTMR] presence or absence, NTMR size, and NTMR age). Targeted and nontargeted fish groups responded most strongly to habitat variables, then island variables. Fishing (NTMR) vadiversity and fisheries.Well-defined nanofiber scaffold hydrogels made of self-assembling peptides have found their way into various 3D tissue culture and clinical products. I reflect initial puzzlement of the unexpected discovery, gradual understanding of how these peptides undergo self-assembly, to eventually translating designer biological scaffolds into commercial products. Peptides are ubiquitous in nature and useful in many fields. They are found as hormones, pheromones, antibacterial, and antifungal agents in innate immunity systems, toxins, as well anti-inset pesticides. However, the concept of peptides as materials was not recognized until 1990 when a self-assembling peptide as a repeating segment in a yeast protein was serendipitously discovered. The peptide materials have bona fide materials properties and are made from simple amino acids with well-ordered nanostructures under physiological conditions. Some current applications include (a) Real 3D tissue cell cultures of diverse tissue cells and various stem cells; (b) reparative and regenerative medicine as well as tissue engineering; (c) 3D tissue printing; (d) sustained releases of small molecules, growth factors and monoclonal antibodies; and (e) accelerated wound healing of skin and diabetic ulcers as well as instant hemostasis in surgery. Self-assembling peptide nanobiotechnology will likely continue to expand in many directions in the coming years. I will also briefly introduce my current research using a simple QTY code for membrane protein design. I am greatly honored and humbled to be invited to contribute an Award Winner Recollection of the 2020 Emil Thomas Kaiser Award from the Protein Society.The speed of neutrophil recovery following allogeneic hematopoietic cell transplantation (allo-HCT) varies widely among patients. We retrospectively evaluated the slope of neutrophil recovery (N slope) in 120 patients who underwent a first unrelated bone marrow transplantation with granulocyte-colony-stimulating factor support between 2009 and 2018. The median N slope was 205.5/µl/day. We classified patients into low (n = 59) and high (n = 61) N slope groups with a cutoff value of 200/µl/day. The high N slope group correlated with older patients, RIC regimen, high CD34+ cells, and recent transplantation. The cumulative incidence of grade II-IV acute graft-versus-host disease (aGVHD) was significantly higher in the high N slope group than in the low N slope group (44.3% vs. 16.9%, P less then 0.001). In multivariate analysis, high N slope was identified as a significant independent risk factor for grade II-IV aGVHD, irrespective of the involved organs. There were no differences in relapse, nonrelapse mortality, or overall survival between the two groups. In conclusion, the difference in N slope after allo-HCT may predict the risk of aGVHD. Prevention and treatment of GVHD according to the changes in the neutrophil count may improve post-transplant complications.
Chromones are the major constituents of agarwood and are considered to be directly related to its quality. Agarotetrol, a chromone derivative, is a Chinese Pharmacopoeia content detection index. https://www.selleckchem.com/products/kt-413.html However, comprehensive high-performance liquid chromatography (HPLC), quantitative analysis of multiple components by a single marker (QAMS), and ultra-performance liquid chromatography mass spectrometry (UPLC-MS) analyses of this pharmacopeial plant material have never been performed. Moreover, reports regarding the separation and detection of multiple active 2-(2-phenylethyl)chromone analogues from this plant material are surprisingly scarce.
To establish a simple, reliable, and effective HPLC method utilising both diode array and MS detection for the simultaneous determination of multiple active chromone analogues in agarwood.
Four 2-(2-phenylethyl)chromones were isolated from methanol extracts of agarwood. After optimising the extraction, separation, and analytical conditions, validation of the developed anaed in this study for agarwood detection, and this protocol may potentially be used as a tool for the quality control of agarwood.
The development of oxygen reduction reaction (ORR) electrocatalysts based on earth-abundant nonprecious materials is critically important for sustainable large-scale applications of fuel cells and metal-air batteries. Herein, a hetero-single-atom (h-SA) ORR electrocatalyst is presented, which has atomically dispersed Fe and Ni coanchored to a microsized nitrogen-doped graphitic carbon support with unique trimodal-porous structure configured by highly ordered macropores interconnected through mesopores. Extended X-ray absorption fine structure spectra confirm that Fe- and Ni-SAs are affixed to the carbon support via FeN4 and NiN4 coordination bonds. The resultant Fe/Ni h-SA electrocatalyst exhibits an outstanding ORR activity, outperforming SA electrocatalysts with only Fe- or Ni-SAs, and the benchmark Pt/C. The obtained experimental results indicate that the achieved outstanding ORR performance results from the synergetic enhancement induced by the coexisting FeN4 and NiN4 sites, and the superior mass-transfer capability promoted by the trimodal-porous-structured carbon support.Understanding whether assemblages of species respond more strongly to bottom-up (availability of trophic resources or habitats) or top-down (predation pressure) processes is important for effective management of resources and ecosystems. We determined the relative influence of environmental factors and predation by humans in shaping the density, biomass, and species richness of 4 medium-bodied (10-40 cm total length [TL]) coral reef fish groups targeted by fishers (mesopredators, planktivores, grazer and detritivores, and scrapers) and the density of 2 groups not targeted by fishers (invertivores, small fish ≤10 cm TL) in the central Philippines. Boosted regression trees were used to model the response of each fish group to 21 predictor variables 13 habitat variables, 5 island variables, and 3 fishing variables (no-take marine reserve [NTMR] presence or absence, NTMR size, and NTMR age). Targeted and nontargeted fish groups responded most strongly to habitat variables, then island variables. Fishing (NTMR) vadiversity and fisheries.Well-defined nanofiber scaffold hydrogels made of self-assembling peptides have found their way into various 3D tissue culture and clinical products. I reflect initial puzzlement of the unexpected discovery, gradual understanding of how these peptides undergo self-assembly, to eventually translating designer biological scaffolds into commercial products. Peptides are ubiquitous in nature and useful in many fields. They are found as hormones, pheromones, antibacterial, and antifungal agents in innate immunity systems, toxins, as well anti-inset pesticides. However, the concept of peptides as materials was not recognized until 1990 when a self-assembling peptide as a repeating segment in a yeast protein was serendipitously discovered. The peptide materials have bona fide materials properties and are made from simple amino acids with well-ordered nanostructures under physiological conditions. Some current applications include (a) Real 3D tissue cell cultures of diverse tissue cells and various stem cells; (b) reparative and regenerative medicine as well as tissue engineering; (c) 3D tissue printing; (d) sustained releases of small molecules, growth factors and monoclonal antibodies; and (e) accelerated wound healing of skin and diabetic ulcers as well as instant hemostasis in surgery. Self-assembling peptide nanobiotechnology will likely continue to expand in many directions in the coming years. I will also briefly introduce my current research using a simple QTY code for membrane protein design. I am greatly honored and humbled to be invited to contribute an Award Winner Recollection of the 2020 Emil Thomas Kaiser Award from the Protein Society.The speed of neutrophil recovery following allogeneic hematopoietic cell transplantation (allo-HCT) varies widely among patients. We retrospectively evaluated the slope of neutrophil recovery (N slope) in 120 patients who underwent a first unrelated bone marrow transplantation with granulocyte-colony-stimulating factor support between 2009 and 2018. The median N slope was 205.5/µl/day. We classified patients into low (n = 59) and high (n = 61) N slope groups with a cutoff value of 200/µl/day. The high N slope group correlated with older patients, RIC regimen, high CD34+ cells, and recent transplantation. The cumulative incidence of grade II-IV acute graft-versus-host disease (aGVHD) was significantly higher in the high N slope group than in the low N slope group (44.3% vs. 16.9%, P less then 0.001). In multivariate analysis, high N slope was identified as a significant independent risk factor for grade II-IV aGVHD, irrespective of the involved organs. There were no differences in relapse, nonrelapse mortality, or overall survival between the two groups. In conclusion, the difference in N slope after allo-HCT may predict the risk of aGVHD. Prevention and treatment of GVHD according to the changes in the neutrophil count may improve post-transplant complications. Chromones are the major constituents of agarwood and are considered to be directly related to its quality. Agarotetrol, a chromone derivative, is a Chinese Pharmacopoeia content detection index. https://www.selleckchem.com/products/kt-413.html However, comprehensive high-performance liquid chromatography (HPLC), quantitative analysis of multiple components by a single marker (QAMS), and ultra-performance liquid chromatography mass spectrometry (UPLC-MS) analyses of this pharmacopeial plant material have never been performed. Moreover, reports regarding the separation and detection of multiple active 2-(2-phenylethyl)chromone analogues from this plant material are surprisingly scarce. To establish a simple, reliable, and effective HPLC method utilising both diode array and MS detection for the simultaneous determination of multiple active chromone analogues in agarwood. Four 2-(2-phenylethyl)chromones were isolated from methanol extracts of agarwood. After optimising the extraction, separation, and analytical conditions, validation of the developed anaed in this study for agarwood detection, and this protocol may potentially be used as a tool for the quality control of agarwood.0 Comments 0 Shares 544 Views 0 ReviewsPlease log in to like, share and comment! -
Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.Non-small cell lung cancer (NSCLC) is often characterized by mutually exclusive mutations in the epidermal growth factor receptor (EGFR) or the guanosine triphosphatase KRAS. We hypothesized that blocking EGFR palmitoylation, previously shown to inhibit EGFR activity, might alter downstream signaling in the KRAS-mutant setting. Here, we found that blocking EGFR palmitoylation, by either knocking down the palmitoyltransferase DHHC20 or expressing a palmitoylation-resistant EGFR mutant, reduced activation of the kinase PI3K, the abundance of the transcription factor MYC, and the proliferation of cells in culture, as well as reduced tumor growth in a mouse model of KRAS-mutant lung adenocarcinoma. Knocking down DHHC20 reduced the growth of existing tumors derived from human KRAS-mutant lung cancer cells and increased the sensitivity of these cells to a PI3K inhibitor. Palmitoylated EGFR interacted with the PI3K regulatory subunit PIK3R1 (p85) and increased the recruitment of the PI3K heterodimer to the plasma membrane. Alternatively, blocking palmitoylation increased the association of EGFR with the MAPK adaptor Grb2 and decreased that with p85. This binary switching between MAPK and PI3K signaling, modulated by EGFR palmitoylation, was only observed in the presence of oncogenic KRAS. These findings suggest a mechanism whereby oncogenic KRAS saturates signaling through unpalmitoylated EGFR, reducing formation of the PI3K signaling complex. Future development of DHHC20 inhibitors to reduce EGFR-PI3K signaling could be beneficial to patients with KRAS-mutant tumors. Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.Krabbe's disease is an infantile neurodegenerative disease, affected by mutations in the lysosomal enzyme galactocerebrosidase, leading to the accumulation of its metabolite psychosine. We have shown previously that the S1P receptor agonist fingolimod (FTY720) attenuates psychosine-induced glial cell death and demyelination both in vitro and ex vivo models. This data, together with a lack of therapies for Krabbe's disease, prompted the current preclinical study examining the effects of fingolimod in twitcher ****, a murine model of Krabbe's disease. Twitcher ****, both male and female, carrying a natural mutation in the GALC gene were given fingolimod via drinking water (1mg/kg/day). The direct impact of fingolimod administration was assessed via histochemical and biochemical analysis using markers of myelin, astrocytes, microglia, neurons, globoid and immune cells. The effects of fingolimod on twitching behaviour and lifespan was also demonstrated. Our results show that treatment of twitcher **** with fingolimod significantly rescued myelin levels compared to vehicle treated animals and also regulated astrocyte and microglial reactivity. Furthermore, non-phosphorylated neurofilament levels were decreased indicating neuroprotective and neurorestorative processes. These protective effects of fingolimod on twitcher **** brain pathology, was reflected by an increased lifespan of fingolimod treated twitcher ****. These in vivo findings corroborate initial in vitro studies and highlight the potential use of S1P receptors as drug targets for Krabbe's disease.Significance StatementThis study demonstrates that administration of the therapy, known as fingolimod, in a mouse model of Krabbe's disease (namely, the twitcher mouse model) significantly rescues myelin levels. Further, this drug fingolimod, also regulates the reactivity of glial cells, astrocyte and microglia, in this mouse model. These protective effects of fingolimod result in an increased lifespan of twitcher ****. Copyright © 2020 Béchet et al.The extraordinary diversity of excitatory synapse sizes is commonly attributed to activity-dependent processes that drive synaptic growth and diminution. Recent studies also point to activity-independent size fluctuations, possibly driven by innate synaptic molecule dynamics, as important generators of size diversity. To examine the contributions of activity-dependent and independent processes to excitatory synapse size diversity, we studied glutamatergic synapse size dynamics and diversification in cultured rat cortical neurons (both sexes), silenced from plating. We found that in networks with no history of activity whatsoever, synaptic size diversity was no less extensive than that observed in spontaneously active networks. Synapses in silenced networks were larger, size distributions were broader, yet these were rightward-skewed and similar in shape when scaled by mean synaptic size. Silencing reduced the magnitude of size fluctuations and weakened constraints on size distributions, yet these were sufficidiversity is commonly thought to reflect the outcome of activity-dependent forms of synaptic plasticity, yet activity-independent processes might also play some part. Here we show that in neurons with no history of activity whatsoever, synaptic sizes are no less diverse. We show that this diversity is the product of activity-independent size fluctuations, which are sufficient to generate a full repertoire of synaptic sizes at correct proportions. By combining modeling and experimentation we expose reciprocal relationships between size fluctuations, synaptic sizes and synaptic counts, and show how these phenomena might be connected through the dynamics of synaptic molecules as they move in, out and between synapses. Copyright © 2020 the authors.Navigation often requires movement in three-dimensional (3D) space. Recent studies have postulated two different models for how head direction (HD) cells encode 3D space - the rotational-plane hypothesis and the dual-axis model. To distinguish these models, we recorded HD cells in female rats while they traveled different routes along both horizontal and vertical surfaces from an elevated platform to the top of a cuboidal apparatus. We compared HD cell preferred firing directions (PFDs) in different planes and addressed the issue of whether HD cell firing is commutative - does the order of the animal's route affect the final outcome of the cell's PFD? Rats locomoted a direct or indirect route from the floor to the cube top via 1, 2, or 3 vertical walls. https://www.selleckchem.com/products/pclx-001-ddd86481.html While the rotational-plane hypothesis accounted for PFD shifts when the animal traversed horizontal corners, the cell's PFD was better explained by the dual-axis model when the animal traversed vertical corners. Responses also followed the dual-axis model 1) under dark conditions, 2) for passive movement of the rat, 3) following apparatus rotation, 4) for movement around inside vertical corners, and 5) across a 45° outside vertical corner.
Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.Non-small cell lung cancer (NSCLC) is often characterized by mutually exclusive mutations in the epidermal growth factor receptor (EGFR) or the guanosine triphosphatase KRAS. We hypothesized that blocking EGFR palmitoylation, previously shown to inhibit EGFR activity, might alter downstream signaling in the KRAS-mutant setting. Here, we found that blocking EGFR palmitoylation, by either knocking down the palmitoyltransferase DHHC20 or expressing a palmitoylation-resistant EGFR mutant, reduced activation of the kinase PI3K, the abundance of the transcription factor MYC, and the proliferation of cells in culture, as well as reduced tumor growth in a mouse model of KRAS-mutant lung adenocarcinoma. Knocking down DHHC20 reduced the growth of existing tumors derived from human KRAS-mutant lung cancer cells and increased the sensitivity of these cells to a PI3K inhibitor. Palmitoylated EGFR interacted with the PI3K regulatory subunit PIK3R1 (p85) and increased the recruitment of the PI3K heterodimer to the plasma membrane. Alternatively, blocking palmitoylation increased the association of EGFR with the MAPK adaptor Grb2 and decreased that with p85. This binary switching between MAPK and PI3K signaling, modulated by EGFR palmitoylation, was only observed in the presence of oncogenic KRAS. These findings suggest a mechanism whereby oncogenic KRAS saturates signaling through unpalmitoylated EGFR, reducing formation of the PI3K signaling complex. Future development of DHHC20 inhibitors to reduce EGFR-PI3K signaling could be beneficial to patients with KRAS-mutant tumors. Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.Krabbe's disease is an infantile neurodegenerative disease, affected by mutations in the lysosomal enzyme galactocerebrosidase, leading to the accumulation of its metabolite psychosine. We have shown previously that the S1P receptor agonist fingolimod (FTY720) attenuates psychosine-induced glial cell death and demyelination both in vitro and ex vivo models. This data, together with a lack of therapies for Krabbe's disease, prompted the current preclinical study examining the effects of fingolimod in twitcher mice, a murine model of Krabbe's disease. Twitcher mice, both male and female, carrying a natural mutation in the GALC gene were given fingolimod via drinking water (1mg/kg/day). The direct impact of fingolimod administration was assessed via histochemical and biochemical analysis using markers of myelin, astrocytes, microglia, neurons, globoid and immune cells. The effects of fingolimod on twitching behaviour and lifespan was also demonstrated. Our results show that treatment of twitcher mice with fingolimod significantly rescued myelin levels compared to vehicle treated animals and also regulated astrocyte and microglial reactivity. Furthermore, non-phosphorylated neurofilament levels were decreased indicating neuroprotective and neurorestorative processes. These protective effects of fingolimod on twitcher mice brain pathology, was reflected by an increased lifespan of fingolimod treated twitcher mice. These in vivo findings corroborate initial in vitro studies and highlight the potential use of S1P receptors as drug targets for Krabbe's disease.Significance StatementThis study demonstrates that administration of the therapy, known as fingolimod, in a mouse model of Krabbe's disease (namely, the twitcher mouse model) significantly rescues myelin levels. Further, this drug fingolimod, also regulates the reactivity of glial cells, astrocyte and microglia, in this mouse model. These protective effects of fingolimod result in an increased lifespan of twitcher mice. Copyright © 2020 Béchet et al.The extraordinary diversity of excitatory synapse sizes is commonly attributed to activity-dependent processes that drive synaptic growth and diminution. Recent studies also point to activity-independent size fluctuations, possibly driven by innate synaptic molecule dynamics, as important generators of size diversity. To examine the contributions of activity-dependent and independent processes to excitatory synapse size diversity, we studied glutamatergic synapse size dynamics and diversification in cultured rat cortical neurons (both sexes), silenced from plating. We found that in networks with no history of activity whatsoever, synaptic size diversity was no less extensive than that observed in spontaneously active networks. Synapses in silenced networks were larger, size distributions were broader, yet these were rightward-skewed and similar in shape when scaled by mean synaptic size. Silencing reduced the magnitude of size fluctuations and weakened constraints on size distributions, yet these were sufficidiversity is commonly thought to reflect the outcome of activity-dependent forms of synaptic plasticity, yet activity-independent processes might also play some part. Here we show that in neurons with no history of activity whatsoever, synaptic sizes are no less diverse. We show that this diversity is the product of activity-independent size fluctuations, which are sufficient to generate a full repertoire of synaptic sizes at correct proportions. By combining modeling and experimentation we expose reciprocal relationships between size fluctuations, synaptic sizes and synaptic counts, and show how these phenomena might be connected through the dynamics of synaptic molecules as they move in, out and between synapses. Copyright © 2020 the authors.Navigation often requires movement in three-dimensional (3D) space. Recent studies have postulated two different models for how head direction (HD) cells encode 3D space - the rotational-plane hypothesis and the dual-axis model. To distinguish these models, we recorded HD cells in female rats while they traveled different routes along both horizontal and vertical surfaces from an elevated platform to the top of a cuboidal apparatus. We compared HD cell preferred firing directions (PFDs) in different planes and addressed the issue of whether HD cell firing is commutative - does the order of the animal's route affect the final outcome of the cell's PFD? Rats locomoted a direct or indirect route from the floor to the cube top via 1, 2, or 3 vertical walls. https://www.selleckchem.com/products/pclx-001-ddd86481.html While the rotational-plane hypothesis accounted for PFD shifts when the animal traversed horizontal corners, the cell's PFD was better explained by the dual-axis model when the animal traversed vertical corners. Responses also followed the dual-axis model 1) under dark conditions, 2) for passive movement of the rat, 3) following apparatus rotation, 4) for movement around inside vertical corners, and 5) across a 45° outside vertical corner.0 Comments 0 Shares 122 Views 0 Reviews -
Real-time quantitative PCR (RT-qPCR) and immunohistochemistry (IHC) were performed to analyze the expressions of RUNX2, BRG1, and CD44 in the CRC tissues.
We found that RUNX2 could markedly induce the CRC cell sphere-forming ability and EMT. Interestingly, the RUNX2-mediated EMT in CRC cell may be associated with the activation of CD44. Furthermore, RUNX2 was found to interact with BRG1 to promote the recruitment of RUNX2 to the CD44 promoter.
Our cumulative findings suggest that RUNX2 and BRG1 can form a compact complex to regulate the transcription and expression of CD44, which has possible involvement in the invasion and migration of CRC cells.
Our cumulative findings suggest that RUNX2 and BRG1 can form a compact complex to regulate the transcription and expression of CD44, which has possible involvement in the invasion and migration of CRC cells.Tourism education may have an important role to play in 'resetting' tourism onto a more sustainable trajectory post-Covid-19. However, neoliberal policies that have increasingly encouraged higher education institutions to prioritise vocational learning over liberal learning may hinder the development of Philosophic Practitioners (Tribe, 2002), those graduates who may be best equipped for this task. The purpose of this research was to explore the extent to which education for Philosophic Practice (Tribe, 2002) - that which balances vocational and liberal learning - is reflected in the curricula of tourism taught Master's (TTM) programmes offered globally. In particular, the popularity of TTM programmes, combined with a focus on high-level professional responsibilities, means that future decision-making for and about tourism may increasingly rest with the graduates that emerge from these programmes. Using qualitative content analysis, findings show that overall TTM education does have a strong vocational orientation. There are, however, some signs that liberal learning outcomes addressing broader socio-cultural and environmental needs are also being emphasised. Crucially, though, there is little evidence to suggest that vocational and liberal learning are being balanced in TTM curricula. This is a potentially problematic situation that may have implications for sustainable tourism in the future.
Turnover intention is a probability of an employee to leave the current institution within a certain period due to various factors. It is the strongest predictor of actual turnover expected to increase as the intention increases. Emergency Department (ED) nurses are especially vulnerable to high turnover because of their increased risk of developing burnout and compassion fatigue associated with the work environment. This study is aimed to assess nurses' intention to leave emergency departments and associated factors at selected governmental hospitals in Addis Ababa, Ethiopia.
Institutional based cross-sectional study was conducted on 102 nurses in three selected governmental hospitals, Addis Ababa from February 19 to March 31, 2018, using a structured pre-tested self-administered questionnaire. The logistic regression model was used and an adjusted odds ratio with a 95% confidence interval was calculated to identify associated factors.
A total of 102 respondents were involved with a response rate of 91ave their current working place of the emergency unit. Educational status, monthly income, and autonomy were significantly associated with emergency nurses' turnover intention in three governmental hospitals. Emergency leaders and hospital managers should have made efforts to enhance nurses' decision making for patient care activities and shared decision overwork or unit related activities.
Surgery for endometriomas may cause detrimental effects on ovarian reserve. We evaluated the safety of three-step laparoscopic surgery for endometriomas utilizing dienogest in terms of post-surgical ovarian reserve.
Twelve women received first look laparoscopy (FLL) with fenestration and drainage. Immediately after the surgery, they took oral dienogest 2mg for three months; then, they received second look laparoscopy (SLL) with cystectomy. We compared serum AMH levels between women had three-step management with dienogest, and another twelve women had conventional one-step surgery without medications. In women had three-step procedures, the changes in concentration of proinflammatory cytokines and chemokines in peritoneal fluids were evaluated.
Serum AMH levels were significantly decreased after three months of dienogest following FLL. AMH levels were also significantly decreased 3-6months both after SLL and after one-step surgery; however, recovery of serum AMH levels at 9-12months after surgery was evident in women had three-step surgery comparing to those of one-step surgery. Proinflammatory cytokines and chemokines in peritoneal fluids were downregulated at the time of SLL comparing to those of FLL.
Three-step surgery with dienogest may be a beneficial approach to protect ovarian reserve. Dienogest may exert its effects in part by lowering proinflammatory cytokines and chemokines.
Three-step surgery with dienogest may be a beneficial approach to protect ovarian reserve. Dienogest may exert its effects in part by lowering proinflammatory cytokines and chemokines.
Ovarian vascular abnormality and ovarian fibrosis are observed in the low responder patients and aging ****. Vascularization and fibrosis are regulated by injury-repair system, such as wound. Thus, in this study, the authors tried to investigate the effect of the surgical treatment to ovarian surface with cutting on the functions of ovary in aging mouse model, gc
KO.
The ovarian surface of gc
KO was surgically cut, and then the ovary was returned inside of bursa ovarica. https://www.selleckchem.com/products/bismuth-subnitrate.html To assess the effect of cutting on fertility, mating test, smear analysis, and exogenous hormonal treatment were done. Additionally, the histological analysis was used for observing the remodeling of ovarian stroma after the surgical approach.
Ovarian fibrosis disappeared at 7days after surgery. With the abrogation of fibrosis, the blood vessels were fluently observed around the follicles, and the follicular development was re-started. The responses against exogenous hormone were recovered at 21days after the surgery, and estrous cycle and delivery were also recovered by the surgery and the fertility was maintained for 3months.
Real-time quantitative PCR (RT-qPCR) and immunohistochemistry (IHC) were performed to analyze the expressions of RUNX2, BRG1, and CD44 in the CRC tissues. We found that RUNX2 could markedly induce the CRC cell sphere-forming ability and EMT. Interestingly, the RUNX2-mediated EMT in CRC cell may be associated with the activation of CD44. Furthermore, RUNX2 was found to interact with BRG1 to promote the recruitment of RUNX2 to the CD44 promoter. Our cumulative findings suggest that RUNX2 and BRG1 can form a compact complex to regulate the transcription and expression of CD44, which has possible involvement in the invasion and migration of CRC cells. Our cumulative findings suggest that RUNX2 and BRG1 can form a compact complex to regulate the transcription and expression of CD44, which has possible involvement in the invasion and migration of CRC cells.Tourism education may have an important role to play in 'resetting' tourism onto a more sustainable trajectory post-Covid-19. However, neoliberal policies that have increasingly encouraged higher education institutions to prioritise vocational learning over liberal learning may hinder the development of Philosophic Practitioners (Tribe, 2002), those graduates who may be best equipped for this task. The purpose of this research was to explore the extent to which education for Philosophic Practice (Tribe, 2002) - that which balances vocational and liberal learning - is reflected in the curricula of tourism taught Master's (TTM) programmes offered globally. In particular, the popularity of TTM programmes, combined with a focus on high-level professional responsibilities, means that future decision-making for and about tourism may increasingly rest with the graduates that emerge from these programmes. Using qualitative content analysis, findings show that overall TTM education does have a strong vocational orientation. There are, however, some signs that liberal learning outcomes addressing broader socio-cultural and environmental needs are also being emphasised. Crucially, though, there is little evidence to suggest that vocational and liberal learning are being balanced in TTM curricula. This is a potentially problematic situation that may have implications for sustainable tourism in the future. Turnover intention is a probability of an employee to leave the current institution within a certain period due to various factors. It is the strongest predictor of actual turnover expected to increase as the intention increases. Emergency Department (ED) nurses are especially vulnerable to high turnover because of their increased risk of developing burnout and compassion fatigue associated with the work environment. This study is aimed to assess nurses' intention to leave emergency departments and associated factors at selected governmental hospitals in Addis Ababa, Ethiopia. Institutional based cross-sectional study was conducted on 102 nurses in three selected governmental hospitals, Addis Ababa from February 19 to March 31, 2018, using a structured pre-tested self-administered questionnaire. The logistic regression model was used and an adjusted odds ratio with a 95% confidence interval was calculated to identify associated factors. A total of 102 respondents were involved with a response rate of 91ave their current working place of the emergency unit. Educational status, monthly income, and autonomy were significantly associated with emergency nurses' turnover intention in three governmental hospitals. Emergency leaders and hospital managers should have made efforts to enhance nurses' decision making for patient care activities and shared decision overwork or unit related activities. Surgery for endometriomas may cause detrimental effects on ovarian reserve. We evaluated the safety of three-step laparoscopic surgery for endometriomas utilizing dienogest in terms of post-surgical ovarian reserve. Twelve women received first look laparoscopy (FLL) with fenestration and drainage. Immediately after the surgery, they took oral dienogest 2mg for three months; then, they received second look laparoscopy (SLL) with cystectomy. We compared serum AMH levels between women had three-step management with dienogest, and another twelve women had conventional one-step surgery without medications. In women had three-step procedures, the changes in concentration of proinflammatory cytokines and chemokines in peritoneal fluids were evaluated. Serum AMH levels were significantly decreased after three months of dienogest following FLL. AMH levels were also significantly decreased 3-6months both after SLL and after one-step surgery; however, recovery of serum AMH levels at 9-12months after surgery was evident in women had three-step surgery comparing to those of one-step surgery. Proinflammatory cytokines and chemokines in peritoneal fluids were downregulated at the time of SLL comparing to those of FLL. Three-step surgery with dienogest may be a beneficial approach to protect ovarian reserve. Dienogest may exert its effects in part by lowering proinflammatory cytokines and chemokines. Three-step surgery with dienogest may be a beneficial approach to protect ovarian reserve. Dienogest may exert its effects in part by lowering proinflammatory cytokines and chemokines. Ovarian vascular abnormality and ovarian fibrosis are observed in the low responder patients and aging mice. Vascularization and fibrosis are regulated by injury-repair system, such as wound. Thus, in this study, the authors tried to investigate the effect of the surgical treatment to ovarian surface with cutting on the functions of ovary in aging mouse model, gc KO. The ovarian surface of gc KO was surgically cut, and then the ovary was returned inside of bursa ovarica. https://www.selleckchem.com/products/bismuth-subnitrate.html To assess the effect of cutting on fertility, mating test, smear analysis, and exogenous hormonal treatment were done. Additionally, the histological analysis was used for observing the remodeling of ovarian stroma after the surgical approach. Ovarian fibrosis disappeared at 7days after surgery. With the abrogation of fibrosis, the blood vessels were fluently observed around the follicles, and the follicular development was re-started. The responses against exogenous hormone were recovered at 21days after the surgery, and estrous cycle and delivery were also recovered by the surgery and the fertility was maintained for 3months.0 Comments 0 Shares 120 Views 0 Reviews -
and 60 g/kg EF improves cockerel performance, meat and bone quality and deposition of α-tocopherol in the liver.Fish sauce is popular for fermenting food in Southeast and Eastern Asia, while black bean is used to ferment condiments in Taiwan. Researchers have recently investigated the use of fish and black bean sauce in places where combining both fish and black bean is rare. This study was focused on fish sauce made from concentrated tuna cooking juice mixed with black bean koji. The experiment was divided into two stages. In the pre-fermentation stage, a suitable fermentation time with no salt added was determined. In the later fermentation stage, two preformatted samples of 4 and 7 days were added to salt water at 20 °Bé. In the pre-fermentation stage, the results show that the protease activity increased as time passed, but the pH value decreased. The highest browning degree was achieved after 120 days. In the later fermentation period, the total nitrogen contents for both experimental groups of 4 days and 7 days reached up to twice that of soy sauce. The total nitrogen content increased with time. In addition, the level of ammonia nitrogen increased from 0.08 to 0.15 g/dL in the first month. In conclusion, a new flavor of fermented sauce was produced in a shorter time and more effectively by combining tuna cooking juice and black bean.Accurate analysis of pesticide residue in real samples is essential for food safety and environmental protection. However, a traditional electrochemical sensor based on single-signal output is easily affected by background noise, environmental conditions, electrode diversity, and a complex matrix of samples, leading to extremely low accuracy. https://www.selleckchem.com/products/primaquine.html Hence, in this paper, a ratiometric strategy based on dual-signal output was adopted to build inner correction for sensing of widely-used carbaryl (CBL) for the first time. By comparison, Nile blue A (NB) was selected as reference probe, due to its well-defined peak, few effects on the target peak of CBL, and excellent stability. The effects of a derivatization method, technique mode, and pH were also investigated. Then the performance of the proposed ratiometric sensor was assessed in terms of three aspects including the elimination of system noise, electrode deviation and matrix effect. Compared with traditional single-signal sensor, the ratiometric sensor showed a **** better linear correlation coefficient (r > 0.99), reproducibility (RSD less then 10%), and limit of detection (LOD = 1.0 μM). The results indicated the introduction of proper reference probe could ensure the interdependence of target and reference signal on the same sensing environment, thus inner correction was fulfilled, which provided a promising tool for accurate analysis.Motion analysis is an important topic in the monitoring of physical activities and recognition of neurological disorders. The present paper is devoted to motion assessment using accelerometers inside mobile phones located at selected body positions and the records of changes in the heart rate during cycling, under different body loads. Acquired data include 1293 signal segments recorded by the mobile phone and the Garmin device for uphill and downhill cycling. The proposed method is based upon digital processing of the heart rate and the mean power in different frequency bands of accelerometric data. The classification of the resulting features was performed by the support vector machine, Bayesian methods, k-nearest neighbor method, and neural networks. The proposed criterion is then used to find the best positions for the sensors with the highest discrimination abilities. The results suggest the sensors be positioned on the spine for the classification of uphill and downhill cycling, yielding an accuracy of 96.5% and a cross-validation error of 0.04 evaluated by a two-layer neural network system for features based on the mean power in the frequency bands 〈 3 , 8 〉 and 〈 8 , 15 〉 Hz. This paper shows the possibility of increasing this accuracy to 98.3% by the use of more features and the influence of appropriate sensor positioning for motion monitoring and classification.ESRD patients receiving hemodialysis (HD) were excluded from landmark trials evaluating direct-acting oral anticoagulants (DOACs) in atrial fibrillation (AF). The objective was to evaluate prescribing and bleeding with DOACs compared to warfarin in AF patients with chronic HD. A retrospective, observational study of patients receiving warfarin or DOAC from April 2010-April 2016 from area health system hospitals and Dialysis Clinics, Inc. records. Data was analyzed using descriptive statistics, ANOVA, and chi-square. Ninety-one patients were included with warfarin as the initial OAC in most patients (n = 76) at average dose of 29 mg/week. Fifteen patients were initially prescribed apixaban (n = 12) or dabigatran (n = 3). Most switches in OAC therapy were to apixaban. When the initial OAC was a DOAC, it was not dosed appropriately in five with one bleed, two dosed appropriately had bleeds. When initial warfarin was switched to a DOAC, it was not dosed appropriately in seven with five bleeds. More bleeds occurred with warfarin alone (n = 18) vs. those on warfarin switched to DOAC (n = 5) vs. DOAC alone (n = 3), p = 0.022. All but four patients that bled had HAS-BLED scores three or higher. Warfarin was most often prescribed and associated with a higher incidence of bleeding compared to DOACs in this population of patients at high risk for bleeding. Larger studies should be conducted to analyze the impact of DOAC dose appropriateness on safety and clinical outcomes.A serum vitamin D [25-hydroxyvitamin D, 25(OH)D] concentration of ≥75 nmol/L is recommended for optimal health. We investigated the relationship between serum 25(OH)D and metabolic syndrome (MetS), diabetes, cardiometabolic biomarkers, and cardiorespiratory fitness (CRF) in US adults using clinical cut points recommended by health organizations. Data from USA's National Health and Nutrition Examination Surveys were used. Prevalences and likelihood of having MetS and diabetes according to clinical cut points for serum 25(OH)D ( less then 30 nmol/L, 30- less then 50 nmol/L, 50- less then 75 nmo/L, and ≥75 nmol/L) were determined with multivariate logistic regression. Relations between serum 25(OH)D and various cardiometabolic biomarkers, CRF, MetS, and diabetes were tested using multivariable adjusted regression. Prevalence of MetS and diabetes were significantly lower in individuals with serum 25(OH)D ≥75 nmol/L (MetS, 21.6%; diabetes, 4.1%) compared to those with 25(OH)D less then 30 nmol/L (MetS, 45.5%; diabetes, 11.
and 60 g/kg EF improves cockerel performance, meat and bone quality and deposition of α-tocopherol in the liver.Fish sauce is popular for fermenting food in Southeast and Eastern Asia, while black bean is used to ferment condiments in Taiwan. Researchers have recently investigated the use of fish and black bean sauce in places where combining both fish and black bean is rare. This study was focused on fish sauce made from concentrated tuna cooking juice mixed with black bean koji. The experiment was divided into two stages. In the pre-fermentation stage, a suitable fermentation time with no salt added was determined. In the later fermentation stage, two preformatted samples of 4 and 7 days were added to salt water at 20 °Bé. In the pre-fermentation stage, the results show that the protease activity increased as time passed, but the pH value decreased. The highest browning degree was achieved after 120 days. In the later fermentation period, the total nitrogen contents for both experimental groups of 4 days and 7 days reached up to twice that of soy sauce. The total nitrogen content increased with time. In addition, the level of ammonia nitrogen increased from 0.08 to 0.15 g/dL in the first month. In conclusion, a new flavor of fermented sauce was produced in a shorter time and more effectively by combining tuna cooking juice and black bean.Accurate analysis of pesticide residue in real samples is essential for food safety and environmental protection. However, a traditional electrochemical sensor based on single-signal output is easily affected by background noise, environmental conditions, electrode diversity, and a complex matrix of samples, leading to extremely low accuracy. https://www.selleckchem.com/products/primaquine.html Hence, in this paper, a ratiometric strategy based on dual-signal output was adopted to build inner correction for sensing of widely-used carbaryl (CBL) for the first time. By comparison, Nile blue A (NB) was selected as reference probe, due to its well-defined peak, few effects on the target peak of CBL, and excellent stability. The effects of a derivatization method, technique mode, and pH were also investigated. Then the performance of the proposed ratiometric sensor was assessed in terms of three aspects including the elimination of system noise, electrode deviation and matrix effect. Compared with traditional single-signal sensor, the ratiometric sensor showed a much better linear correlation coefficient (r > 0.99), reproducibility (RSD less then 10%), and limit of detection (LOD = 1.0 μM). The results indicated the introduction of proper reference probe could ensure the interdependence of target and reference signal on the same sensing environment, thus inner correction was fulfilled, which provided a promising tool for accurate analysis.Motion analysis is an important topic in the monitoring of physical activities and recognition of neurological disorders. The present paper is devoted to motion assessment using accelerometers inside mobile phones located at selected body positions and the records of changes in the heart rate during cycling, under different body loads. Acquired data include 1293 signal segments recorded by the mobile phone and the Garmin device for uphill and downhill cycling. The proposed method is based upon digital processing of the heart rate and the mean power in different frequency bands of accelerometric data. The classification of the resulting features was performed by the support vector machine, Bayesian methods, k-nearest neighbor method, and neural networks. The proposed criterion is then used to find the best positions for the sensors with the highest discrimination abilities. The results suggest the sensors be positioned on the spine for the classification of uphill and downhill cycling, yielding an accuracy of 96.5% and a cross-validation error of 0.04 evaluated by a two-layer neural network system for features based on the mean power in the frequency bands 〈 3 , 8 〉 and 〈 8 , 15 〉 Hz. This paper shows the possibility of increasing this accuracy to 98.3% by the use of more features and the influence of appropriate sensor positioning for motion monitoring and classification.ESRD patients receiving hemodialysis (HD) were excluded from landmark trials evaluating direct-acting oral anticoagulants (DOACs) in atrial fibrillation (AF). The objective was to evaluate prescribing and bleeding with DOACs compared to warfarin in AF patients with chronic HD. A retrospective, observational study of patients receiving warfarin or DOAC from April 2010-April 2016 from area health system hospitals and Dialysis Clinics, Inc. records. Data was analyzed using descriptive statistics, ANOVA, and chi-square. Ninety-one patients were included with warfarin as the initial OAC in most patients (n = 76) at average dose of 29 mg/week. Fifteen patients were initially prescribed apixaban (n = 12) or dabigatran (n = 3). Most switches in OAC therapy were to apixaban. When the initial OAC was a DOAC, it was not dosed appropriately in five with one bleed, two dosed appropriately had bleeds. When initial warfarin was switched to a DOAC, it was not dosed appropriately in seven with five bleeds. More bleeds occurred with warfarin alone (n = 18) vs. those on warfarin switched to DOAC (n = 5) vs. DOAC alone (n = 3), p = 0.022. All but four patients that bled had HAS-BLED scores three or higher. Warfarin was most often prescribed and associated with a higher incidence of bleeding compared to DOACs in this population of patients at high risk for bleeding. Larger studies should be conducted to analyze the impact of DOAC dose appropriateness on safety and clinical outcomes.A serum vitamin D [25-hydroxyvitamin D, 25(OH)D] concentration of ≥75 nmol/L is recommended for optimal health. We investigated the relationship between serum 25(OH)D and metabolic syndrome (MetS), diabetes, cardiometabolic biomarkers, and cardiorespiratory fitness (CRF) in US adults using clinical cut points recommended by health organizations. Data from USA's National Health and Nutrition Examination Surveys were used. Prevalences and likelihood of having MetS and diabetes according to clinical cut points for serum 25(OH)D ( less then 30 nmol/L, 30- less then 50 nmol/L, 50- less then 75 nmo/L, and ≥75 nmol/L) were determined with multivariate logistic regression. Relations between serum 25(OH)D and various cardiometabolic biomarkers, CRF, MetS, and diabetes were tested using multivariable adjusted regression. Prevalence of MetS and diabetes were significantly lower in individuals with serum 25(OH)D ≥75 nmol/L (MetS, 21.6%; diabetes, 4.1%) compared to those with 25(OH)D less then 30 nmol/L (MetS, 45.5%; diabetes, 11.0 Comments 0 Shares 99 Views 0 Reviews -
CONCLUSIONS The differentiation of pre-operative CKD and AKI, especially the identification of AKI, is useful for risk stratification in patients undergoing emergency colorectal surgery.Mozambique has one of the highest burdens of HIV globally, and people who inject drugs (PWID) have one of the highest HIV infection rates in Africa. After the implementation of the first Biological Behavioral Surveillance (BBS) Survey among PWID in Mozambique, the Ministry of Health started the development of a National Harm Reduction Plan. Although the findings from the BBS survey highlighted the specific needs of young PWID, the proposed Harm Reduction Plan does not explicitly focus on reducing high-risk behaviors of young PWID. We outline the importance of the inclusion of age-specific interventions focused on the needs of young PWID in Mozambique, and how a comprehensive Harm Reduction Plan can reduce the HIV epidemic in this population. There is a unique opportunity to advocate for the Harm Reduction Plan to include "youth-friendly" cost-effective and evidence-based interventions that are targeted to this important sub-group within an already vulnerable population.BACKGROUND The skin is the largest organ of the human body. Upon injury, the skin triggers a sequence of signaling pathways that induce epithelial proliferation, migration, and ultimately, the re-establishment of the epithelial barrier. Our study explores the unknown epigenetic regulations of wound healing from a histone perspective. Posttranslational modifications of histones enhance chromatin accessibility and modify gene transcription. METHODS Full-thickness wounds were made in the dorsal skin of twenty-four C57/B6 **** (C57BL/6J), followed by the use of ring-shaped silicone splints to prevent wound contraction. Tissue samples were collected at three time points (post-operatory day 1, 4, and 9), and processed for histology. Immunofluorescence was performed in all-time points using markers for histone H4 acetylation at lysines K5, K8, K12, and K16. RESULTS We found well-defined histone modifications associated with the stages of healing. Most exciting, we showed that the epidermis located at a distance from the wound demonstrated changes in histone acetylation, particularly the deacetylation of histone H4K5, H4K8, and H4K16, and hyperacetylation of H4K12. The epidermis adjacent to the wound revealed the deacetylation of H4K5 and H4K8 and hyperacetylation of H4K12. Conversely, the migratory epithelium (epithelial tongue) displayed significant acetylation of H4K5 and H4K12. The H4K5 and H4K8 were decreased in the newly formed epidermis, which continued to display high levels of H4K12 and H4K16. CONCLUSIONS This study profiles the changes in histone H4 acetylation in response to injury. In addition to the epigenetic changes found in the healing tissue, these changes also took place in tissues adjacent and distant to the wound. Furthermore, not only deacetylation but also hyperacetylation occurred during tissue repair and regeneration.Anterior cingulate cortex (ACC) plays important roles in sensory perception including pain and itch. Neurons in the ACC receive various neuromodulatory inputs from subcortical structures, including locus coeruleus noradrenaline (LC-NA) neurons. Few studies have been reported about synaptic and behavioral functions of LC-NA projections to the ACC. Using viral-genetic method (AAV-DIO-eYFP) on DBH-cre ****, we found that LC-NA formed synaptic connections to ACC pyramidal cells but not interneurons. This is further supported by the electron microscopic study showing NAergic fibers contact the presynaptic inputs and post-synaptic areas of the pyramidal cells. NA application produced both pre- and post-synaptic potentiation effects in ACC excitatory transmission in vivo and in vitro. Activation of LC-NA projection to the ACC by optogenetic method produced enhancement of excitatory transmission in vitro and induced scratching and behavioral sensitization for mechanical stimulation. Our results demonstrate that LC-NA projections enhance or facilitate brain responses to pain and itch by potentiating glutamatergic synaptic transmissions in the ACC.BACKGROUND Aerobic glycolysis is a hallmark of metabolic reprogramming that contributes to tumor progression. However, the mechanisms regulating expression of glycolytic genes in neuroblastoma (NB), the most common extracranial solid tumor in childhood, still remain elusive. METHODS Crucial transcriptional regulators and their downstream glycolytic genes were identified by integrative analysis of a publicly available expression profiling dataset. In vitro and in vivo assays were undertaken to explore the biological effects and underlying mechanisms of transcriptional regulators in NB cells. Survival analysis was performed by using Kaplan-Meier method and log-rank test. RESULTS Hepatocyte nuclear factor 4 alpha (HNF4A) and its derived long noncoding RNA (HNF4A-AS1) promoted aerobic glycolysis and NB progression. Gain- and loss-of-function studies indicated that HNF4A and HNF4A-AS1 facilitated the glycolysis process, glucose uptake, lactate production, and ATP levels of NB cells. Mechanistically, transcription factor HNF4A increased the expression of hexokinase 2 (HK2) and solute carrier family 2 member 1 (SLC2A1), while HNF4A-AS1 bound to heterogeneous nuclear ribonucleoprotein U (hnRNPU) to facilitate its interaction with CCCTC-binding factor (CTCF), resulting in transactivation of CTCF and transcriptional alteration of HNF4A and other genes associated with tumor progression. Administration of a small peptide blocking HNF4A-AS1-hnRNPU interaction or lentivirus-mediated short hairpin RNA targeting HNF4A-AS1 significantly suppressed aerobic glycolysis, tumorigenesis, and aggressiveness of NB cells. https://www.selleckchem.com/products/jbj-09-063-hydrochloride.html In clinical NB cases, high expression of HNF4A-AS1, hnRNPU, CTCF, or HNF4A was associated with poor survival of patients. CONCLUSIONS These findings suggest that therapeutic targeting of HNF4A-AS1/hnRNPU/CTCF axis inhibits aerobic glycolysis and NB progression.BACKGROUND A proper reduction and internal fixation of posterior malleolar fractures can be challenging, as intraoperative fluoroscopy often underestimates the extent of the fracture. Our aim was to assess the value of a modified classification system for posterior malleolar fractures, which is based on computed tomography (CT) images, optimizing screw trajectory during fluoroscopic-guided surgery, and to compare it to the Lauge-Hansen classification system to the CT-based classification. METHODS A retrospective review of all ankle fracture operations from January 2014 to December 2016 was performed. Fractures were included if a CT scan was performed within 1 week of the surgery, and the posterior malleolar fragment occupied one third or more of the antero-posterior talar surface or jeopardize the ankle stability. Eighty-five adult ankle fractures with posterior malleolar fragments were included in this study. Fractures were categorized into one of three types, namely "postero-lateral," "postero-medial," or "postero-central," according to the location of the fracture fragment on axial CT image.
CONCLUSIONS The differentiation of pre-operative CKD and AKI, especially the identification of AKI, is useful for risk stratification in patients undergoing emergency colorectal surgery.Mozambique has one of the highest burdens of HIV globally, and people who inject drugs (PWID) have one of the highest HIV infection rates in Africa. After the implementation of the first Biological Behavioral Surveillance (BBS) Survey among PWID in Mozambique, the Ministry of Health started the development of a National Harm Reduction Plan. Although the findings from the BBS survey highlighted the specific needs of young PWID, the proposed Harm Reduction Plan does not explicitly focus on reducing high-risk behaviors of young PWID. We outline the importance of the inclusion of age-specific interventions focused on the needs of young PWID in Mozambique, and how a comprehensive Harm Reduction Plan can reduce the HIV epidemic in this population. There is a unique opportunity to advocate for the Harm Reduction Plan to include "youth-friendly" cost-effective and evidence-based interventions that are targeted to this important sub-group within an already vulnerable population.BACKGROUND The skin is the largest organ of the human body. Upon injury, the skin triggers a sequence of signaling pathways that induce epithelial proliferation, migration, and ultimately, the re-establishment of the epithelial barrier. Our study explores the unknown epigenetic regulations of wound healing from a histone perspective. Posttranslational modifications of histones enhance chromatin accessibility and modify gene transcription. METHODS Full-thickness wounds were made in the dorsal skin of twenty-four C57/B6 mice (C57BL/6J), followed by the use of ring-shaped silicone splints to prevent wound contraction. Tissue samples were collected at three time points (post-operatory day 1, 4, and 9), and processed for histology. Immunofluorescence was performed in all-time points using markers for histone H4 acetylation at lysines K5, K8, K12, and K16. RESULTS We found well-defined histone modifications associated with the stages of healing. Most exciting, we showed that the epidermis located at a distance from the wound demonstrated changes in histone acetylation, particularly the deacetylation of histone H4K5, H4K8, and H4K16, and hyperacetylation of H4K12. The epidermis adjacent to the wound revealed the deacetylation of H4K5 and H4K8 and hyperacetylation of H4K12. Conversely, the migratory epithelium (epithelial tongue) displayed significant acetylation of H4K5 and H4K12. The H4K5 and H4K8 were decreased in the newly formed epidermis, which continued to display high levels of H4K12 and H4K16. CONCLUSIONS This study profiles the changes in histone H4 acetylation in response to injury. In addition to the epigenetic changes found in the healing tissue, these changes also took place in tissues adjacent and distant to the wound. Furthermore, not only deacetylation but also hyperacetylation occurred during tissue repair and regeneration.Anterior cingulate cortex (ACC) plays important roles in sensory perception including pain and itch. Neurons in the ACC receive various neuromodulatory inputs from subcortical structures, including locus coeruleus noradrenaline (LC-NA) neurons. Few studies have been reported about synaptic and behavioral functions of LC-NA projections to the ACC. Using viral-genetic method (AAV-DIO-eYFP) on DBH-cre mice, we found that LC-NA formed synaptic connections to ACC pyramidal cells but not interneurons. This is further supported by the electron microscopic study showing NAergic fibers contact the presynaptic inputs and post-synaptic areas of the pyramidal cells. NA application produced both pre- and post-synaptic potentiation effects in ACC excitatory transmission in vivo and in vitro. Activation of LC-NA projection to the ACC by optogenetic method produced enhancement of excitatory transmission in vitro and induced scratching and behavioral sensitization for mechanical stimulation. Our results demonstrate that LC-NA projections enhance or facilitate brain responses to pain and itch by potentiating glutamatergic synaptic transmissions in the ACC.BACKGROUND Aerobic glycolysis is a hallmark of metabolic reprogramming that contributes to tumor progression. However, the mechanisms regulating expression of glycolytic genes in neuroblastoma (NB), the most common extracranial solid tumor in childhood, still remain elusive. METHODS Crucial transcriptional regulators and their downstream glycolytic genes were identified by integrative analysis of a publicly available expression profiling dataset. In vitro and in vivo assays were undertaken to explore the biological effects and underlying mechanisms of transcriptional regulators in NB cells. Survival analysis was performed by using Kaplan-Meier method and log-rank test. RESULTS Hepatocyte nuclear factor 4 alpha (HNF4A) and its derived long noncoding RNA (HNF4A-AS1) promoted aerobic glycolysis and NB progression. Gain- and loss-of-function studies indicated that HNF4A and HNF4A-AS1 facilitated the glycolysis process, glucose uptake, lactate production, and ATP levels of NB cells. Mechanistically, transcription factor HNF4A increased the expression of hexokinase 2 (HK2) and solute carrier family 2 member 1 (SLC2A1), while HNF4A-AS1 bound to heterogeneous nuclear ribonucleoprotein U (hnRNPU) to facilitate its interaction with CCCTC-binding factor (CTCF), resulting in transactivation of CTCF and transcriptional alteration of HNF4A and other genes associated with tumor progression. Administration of a small peptide blocking HNF4A-AS1-hnRNPU interaction or lentivirus-mediated short hairpin RNA targeting HNF4A-AS1 significantly suppressed aerobic glycolysis, tumorigenesis, and aggressiveness of NB cells. https://www.selleckchem.com/products/jbj-09-063-hydrochloride.html In clinical NB cases, high expression of HNF4A-AS1, hnRNPU, CTCF, or HNF4A was associated with poor survival of patients. CONCLUSIONS These findings suggest that therapeutic targeting of HNF4A-AS1/hnRNPU/CTCF axis inhibits aerobic glycolysis and NB progression.BACKGROUND A proper reduction and internal fixation of posterior malleolar fractures can be challenging, as intraoperative fluoroscopy often underestimates the extent of the fracture. Our aim was to assess the value of a modified classification system for posterior malleolar fractures, which is based on computed tomography (CT) images, optimizing screw trajectory during fluoroscopic-guided surgery, and to compare it to the Lauge-Hansen classification system to the CT-based classification. METHODS A retrospective review of all ankle fracture operations from January 2014 to December 2016 was performed. Fractures were included if a CT scan was performed within 1 week of the surgery, and the posterior malleolar fragment occupied one third or more of the antero-posterior talar surface or jeopardize the ankle stability. Eighty-five adult ankle fractures with posterior malleolar fragments were included in this study. Fractures were categorized into one of three types, namely "postero-lateral," "postero-medial," or "postero-central," according to the location of the fracture fragment on axial CT image.0 Comments 0 Shares 93 Views 0 Reviews -
Schistosomiasis represents one of the most devastating worm parasitosis in the world. Current diagnostic methods are insufficient to determine the infection grade and the disease related organ damage. We herein investigated whether discrimination of infection grade and its correlation to liver damage could be accurately performed by multimodal imaging in a mouse model of Schistosoma mansoni infection. Therefore, groups of uninfected and infected **** underwent MRI and [18F]FDG PET/CT imaging. Anatomical MRI images were used for liver volumetry and for quantification of hepatic granulomas. For PET/CT images a volume of interest based analyses were employed to calculate the [18F]FDG uptake in liver, portal vein, spleen and abdomen. Herein, we demonstrate that the combined use of [18F]FDG-PET/CT and MRI represents an appropriate diagnostic tool for Schistosoma mansoni infection, but fails to discriminate the infection grade and the linked organ damage. Only the splenic [18F]FDG uptake in the 25 cercariae group (5.68 ± 0.90%ID/cc) and 50 cercariae group (4.98 ± 1.43%ID/cc) was significantly higher compared to the control group (2.13 ± 0.69%ID/cc). Nevertheless, future multimodal imaging studies with new radiopharmaceuticals could build a highly sensitive and specific basis for the diagnosis and evaluation of organ damage of schistosomiasis.Children with autistic spectrum disorders (ASD) experience persistent disrupted coordination in interpersonal synchronisation that is thought to be associated with deficits in neural connectivity. Robotic interventions have been explored for use with ASD children worldwide revealing that robots encourage one-to-one social and emotional interactions. However, associations between interpersonal synchronisation and emotional empathy have not yet been directly explored in French and Japanese ASD children when they interact with a human or a robot under analogous experimental conditions. Using the paradigm of actor-perceiver, where the child was the actor and the robot or the human the perceiver, we recorded the autonomic heart rate activation and reported emotional feelings of ASD children in both countries. Japanese and French ASD children showed different interpersonal synchronisation when they interacted with the human perceiver, even though the human was the same in both countries. However, they exhibited similar interpersonal synchronisation when the perceiver was the robot. The findings suggest that the mechanism combining interpersonal synchronisation and emotional empathy might be weakened but not absent in ASD children and that both French and Japanese ASD children do spontaneously and unconsciously discern non verbal actions of non human partners through a direct matching process that occurs via automatic mapping.Assessing the impacts of parent material on distributions of potentially toxic elements (PTEs) in soils has significant consequences in the apportionment of their sources. In this study, geochemical distributions and sources of PTEs in the soils developed in quaternary sediments and granite plutons of Pearl River Delta (PRD), South China, were investigated. The results indicate that there are systematic differences between the concentrations of oxides and PTEs in the soils developed in these two parent materials. The parent material predominantly determines the element distributions in the soils. The PTEs of the deep soils developed in quaternary sediments originated mainly from mafic, felsic, and carbonate sources materials as well as polymetallic deposits. https://www.selleckchem.com/products/jte-013.html For the deep soils developed in granite plutons, the element associations are governed mainly by their geochemical affinities and behaviors and the mineral compositions of granite plutons. Anthropogenic activities impact the features of the PTEs in the surface soils of PRD. However, superimposed regional-scale pollution was found to not hide the effect of the parent material on the distribution of PTEs in the surface soils.We report, for the first time, the influence of oxygen vacancies on band structure and local electronic structure of [Formula see text] (SZO) nanophosphors by combined first principle calculations based on density functional theory and full multiple scattering theory, correlated with experimental results obtained from X-ray absorption and photoluminescence spectroscopies. The band structure analysis from density functional theory revealed the formation of new energy states in the forbidden gap due to introduction of oxygen vacancies in the system, thereby causing disruption in intrinsic symmetry and altering bond lengths in SZO system. These defect states are anticipated as origin of observed photoluminescence in SZO nanophosphors. The experimental X-ray absorption near edge structure (XANES) at Zn and Sr K-edges were successfully imitated by simulated XANES obtained after removing oxygen atoms around Zn and Sr cores, which affirmed the presence and signature of oxygen vacancies on near edge structure.Despite being studied for nearly 50 years, smallest chemically stable moieties in the metallic glass (MG) could not be found experimentally. Herein, we demonstrate a novel experimental approach based on electrochemical etching of amorphous alloys in inert solvent (acetonitrile) in the presence of a high voltage (1 kV) followed by detection of the ions using electrolytic spray ionization mass spectrometry (ESI MS). The experiment shows stable signals corresponding to Pd, PdSi and PdSi2 ions, which emerges due to the electrochemical etching of the Pd80Si20 metallic glass electrode. These fragments are observed from the controlled dissolution of the Pd80Si20 melt-spun ribbon (MSR) electrode. Annealed electrode releases different fragments in the same experimental condition. These specific species are expected to be the smallest and most stable chemical units from the metallic glass which survived the chemical dissolution and complexation (with acetonitrile) process. Theoretically, these units can be produced from the cluster based models for the MG. Similar treatment on Pd40Ni40P20 MSR resulted several complex peaks consisting of Pd, Ni and P in various combinations suggesting this can be adopted for any metal-metalloid glass.
Schistosomiasis represents one of the most devastating worm parasitosis in the world. Current diagnostic methods are insufficient to determine the infection grade and the disease related organ damage. We herein investigated whether discrimination of infection grade and its correlation to liver damage could be accurately performed by multimodal imaging in a mouse model of Schistosoma mansoni infection. Therefore, groups of uninfected and infected mice underwent MRI and [18F]FDG PET/CT imaging. Anatomical MRI images were used for liver volumetry and for quantification of hepatic granulomas. For PET/CT images a volume of interest based analyses were employed to calculate the [18F]FDG uptake in liver, portal vein, spleen and abdomen. Herein, we demonstrate that the combined use of [18F]FDG-PET/CT and MRI represents an appropriate diagnostic tool for Schistosoma mansoni infection, but fails to discriminate the infection grade and the linked organ damage. Only the splenic [18F]FDG uptake in the 25 cercariae group (5.68 ± 0.90%ID/cc) and 50 cercariae group (4.98 ± 1.43%ID/cc) was significantly higher compared to the control group (2.13 ± 0.69%ID/cc). Nevertheless, future multimodal imaging studies with new radiopharmaceuticals could build a highly sensitive and specific basis for the diagnosis and evaluation of organ damage of schistosomiasis.Children with autistic spectrum disorders (ASD) experience persistent disrupted coordination in interpersonal synchronisation that is thought to be associated with deficits in neural connectivity. Robotic interventions have been explored for use with ASD children worldwide revealing that robots encourage one-to-one social and emotional interactions. However, associations between interpersonal synchronisation and emotional empathy have not yet been directly explored in French and Japanese ASD children when they interact with a human or a robot under analogous experimental conditions. Using the paradigm of actor-perceiver, where the child was the actor and the robot or the human the perceiver, we recorded the autonomic heart rate activation and reported emotional feelings of ASD children in both countries. Japanese and French ASD children showed different interpersonal synchronisation when they interacted with the human perceiver, even though the human was the same in both countries. However, they exhibited similar interpersonal synchronisation when the perceiver was the robot. The findings suggest that the mechanism combining interpersonal synchronisation and emotional empathy might be weakened but not absent in ASD children and that both French and Japanese ASD children do spontaneously and unconsciously discern non verbal actions of non human partners through a direct matching process that occurs via automatic mapping.Assessing the impacts of parent material on distributions of potentially toxic elements (PTEs) in soils has significant consequences in the apportionment of their sources. In this study, geochemical distributions and sources of PTEs in the soils developed in quaternary sediments and granite plutons of Pearl River Delta (PRD), South China, were investigated. The results indicate that there are systematic differences between the concentrations of oxides and PTEs in the soils developed in these two parent materials. The parent material predominantly determines the element distributions in the soils. The PTEs of the deep soils developed in quaternary sediments originated mainly from mafic, felsic, and carbonate sources materials as well as polymetallic deposits. https://www.selleckchem.com/products/jte-013.html For the deep soils developed in granite plutons, the element associations are governed mainly by their geochemical affinities and behaviors and the mineral compositions of granite plutons. Anthropogenic activities impact the features of the PTEs in the surface soils of PRD. However, superimposed regional-scale pollution was found to not hide the effect of the parent material on the distribution of PTEs in the surface soils.We report, for the first time, the influence of oxygen vacancies on band structure and local electronic structure of [Formula see text] (SZO) nanophosphors by combined first principle calculations based on density functional theory and full multiple scattering theory, correlated with experimental results obtained from X-ray absorption and photoluminescence spectroscopies. The band structure analysis from density functional theory revealed the formation of new energy states in the forbidden gap due to introduction of oxygen vacancies in the system, thereby causing disruption in intrinsic symmetry and altering bond lengths in SZO system. These defect states are anticipated as origin of observed photoluminescence in SZO nanophosphors. The experimental X-ray absorption near edge structure (XANES) at Zn and Sr K-edges were successfully imitated by simulated XANES obtained after removing oxygen atoms around Zn and Sr cores, which affirmed the presence and signature of oxygen vacancies on near edge structure.Despite being studied for nearly 50 years, smallest chemically stable moieties in the metallic glass (MG) could not be found experimentally. Herein, we demonstrate a novel experimental approach based on electrochemical etching of amorphous alloys in inert solvent (acetonitrile) in the presence of a high voltage (1 kV) followed by detection of the ions using electrolytic spray ionization mass spectrometry (ESI MS). The experiment shows stable signals corresponding to Pd, PdSi and PdSi2 ions, which emerges due to the electrochemical etching of the Pd80Si20 metallic glass electrode. These fragments are observed from the controlled dissolution of the Pd80Si20 melt-spun ribbon (MSR) electrode. Annealed electrode releases different fragments in the same experimental condition. These specific species are expected to be the smallest and most stable chemical units from the metallic glass which survived the chemical dissolution and complexation (with acetonitrile) process. Theoretically, these units can be produced from the cluster based models for the MG. Similar treatment on Pd40Ni40P20 MSR resulted several complex peaks consisting of Pd, Ni and P in various combinations suggesting this can be adopted for any metal-metalloid glass.0 Comments 0 Shares 126 Views 0 Reviews -
BACKGROUND Stereoelectroencephalography (SEEG) is an invasive diagnostic surgical procedure used to identify specific areas of seizure activity in the brain. SEEG has been shown in both adult and pediatric populations to be a safe and effective tool for preoperative decision making. USES This is used in patients with medically refractory epilepsy who are potential candidates for brain surgery to control seizures. It is preferred over other invasive diagnostic procedures because of lower risk, reduced discomfort, and shorter operating times. OUTCOMES It has a distinct role in obtaining meaningful data that leads to more precise surgical options. All of this results in better seizure control and improved quality of life for the patients. CONCLUSION Knowledge of the SEEG procedure, its benefits, complications, and the neuroscience nurse's role will improve care for surgical patients and improve outcomes.BACKGROUND Coping with a diagnosis of multiple sclerosis (MS) is challenging. MS is one of the most common causes of nontraumatic disability in young adults, and patients may need assistance with daily life activities. This article explores the relation between quality of life (QOL) and the perceived available social support among patients with MS and their families. METHODS The study included 120 subjects (60 patient-caregiver dyads). The average age of the patients was 53.95 ± 10.19 years, and for caregivers, it was 50.8 ± 13.3 years. The study used 2 subscales of the Berlin Social Support Scale (perceived availability of social support and need for social support) and the World Health Organization Quality of Life questionnaire for the assessment of QOL. RESULTS QOL in MS is lower compared with that of their caregivers in all dimensions except the social domain (P less then .001, r = 0.54-0.64). A higher need for social support was experienced by caregivers. The need for support in this group is affected by 3 predictors QOL in the environmental domain and in the physical domain as well as their subjective health. An improvement in QOL in all the domains is related to an increase of perceived available support, in both the group of patients and that of their caregivers (P less then .05, ρ = 0.28-0.59). CONCLUSIONS Perceived available support is of great importance for both patients and their caregivers to enable them to function better in the physical, mental, social, and environmental domains of their QOL, where social relationships play a predictive role.BACKGROUND Anaesthesia reduces mean arterial pressure (MAP), and to preserve organ perfusion, vasopressors are often used to maintain MAP above 60 mmHg. Cognitive dysfunction is common following major surgery and may relate to intra-operative cerebral hypoperfusion. OBJECTIVE The aim of this study was to evaluate whether internal carotid artery (ICA) blood flow increases when MAP is kept higher than 60 mmHg using noradrenaline. DESIGN A randomised, cross-over trial. SETTING Department of Anaesthesia, Rigshospitalet, Copenhagen, Denmark, from December 2017 to April 2018. PATIENTS Patients with median [IQR] age 71 [63 to 75] years underwent pancreaticoduodenectomy (n = 19), total pancreatic resection (n = 1) or gastro-entero anastomosis (n = 2) during combined propofol-remifentanil and thoracic epidural anaesthesia. INTERVENTION MAP was maintained between 60 to 65, 70 to 75 and 80 to 85 mmHg, in a random order, by noradrenaline infusion at a stable level of anaesthesia. MAIN OUTCOME MEASURES Primary outcome was change in ICA flow at MAP 60 to 65 vs. 80 to 85 mmHg. Secondary outcomes were change in ICA flow at MAP 60 to 65 vs. 70 to 75 and 70 to 75 vs. https://www.selleckchem.com/products/bromoenol-lactone.html 80 to 85 mmHg. Duplex ultrasound evaluated ICA flow. RESULTS A (mean ± SD) increase in MAP from 62 ±â€Š1 to 82 ±â€Š1 mmHg elevated ICA flow from 196 ±â€Š53 to 226 ±â€Š61 ml min (mean difference 31 ml min; 95% CI 19 to 42; P  less then  0.0001). An increase in MAP from 62 ±â€Š1 to 72 ±â€Š1 mmHg elevated ICA flow to 210 ±â€Š52 ml min (P = 0.0271) and ICA flow increased further (P = 0.0165) when MAP was elevated to 82 ±â€Š1 mmHg. CONCLUSION During combined propofol-remifentanil and thoracic epidural anaesthesia, ICA flow increased by approximately 15% when the MAP was elevated from about 60 to 80 mmHg. Treatment of a reduction in MAP brought about by anaesthesia seems to enhance ICA flow. TRIAL REGISTRATION Clinicaltrials.gov ID NCT03309917.BACKGROUND Real-life experience with idarucizumab, which reverses the anticoagulant effect of dabigatran, is currently limited. OBJECTIVE To evaluate efficacy and safety of the clinical use of idarucizumab after its availability in Slovenia. METHODS We analysed consecutive cases treated with idarucizumab in Slovenia from January to October 2016. The decision to reverse dabigatran with idarucizumab was made by the treating clinicians, as was the assessment of clinical outcomes and blood sampling/monitoring (activated partial thromboplastin time, thrombin time and diluted thrombin time) before and after use. RESULTS Idarucizumab was used in 17 cases. One patient was treated with the antidote twice with an interval of 2 months between treatments. The indications for idarucizumab use were emergency surgery (4/17), severe bleeding (11/17; seven with intracranial bleeding) and ischaemic stroke (2/17). During surgery, no excessive bleeding was reported. Five patients died due to cardiogenic, haemorrhagic or septic shock, intracranial bleeding or multiple organ failure. Among cases with laboratory data available, baseline coagulation tests were prolonged in 12/13 cases with bleeding or emergency surgery. After idarucizumab administration, normal coagulation parameters were confirmed in 10/11. However, re-occurrence of dabigatran effect was noted later in four patients with creatinine clearance less than 30 ml min, and one patient with persistent bleeding required retreatment with idarucizumab. CONCLUSION Our first experiences with idarucizumab use in daily-care settings support a rapid and efficient decrease in the anticoagulant effect of dabigatran in emergency situations. Late re-occurrence of dabigatran effect was noted in a subset of patients with severe renal failure.
BACKGROUND Stereoelectroencephalography (SEEG) is an invasive diagnostic surgical procedure used to identify specific areas of seizure activity in the brain. SEEG has been shown in both adult and pediatric populations to be a safe and effective tool for preoperative decision making. USES This is used in patients with medically refractory epilepsy who are potential candidates for brain surgery to control seizures. It is preferred over other invasive diagnostic procedures because of lower risk, reduced discomfort, and shorter operating times. OUTCOMES It has a distinct role in obtaining meaningful data that leads to more precise surgical options. All of this results in better seizure control and improved quality of life for the patients. CONCLUSION Knowledge of the SEEG procedure, its benefits, complications, and the neuroscience nurse's role will improve care for surgical patients and improve outcomes.BACKGROUND Coping with a diagnosis of multiple sclerosis (MS) is challenging. MS is one of the most common causes of nontraumatic disability in young adults, and patients may need assistance with daily life activities. This article explores the relation between quality of life (QOL) and the perceived available social support among patients with MS and their families. METHODS The study included 120 subjects (60 patient-caregiver dyads). The average age of the patients was 53.95 ± 10.19 years, and for caregivers, it was 50.8 ± 13.3 years. The study used 2 subscales of the Berlin Social Support Scale (perceived availability of social support and need for social support) and the World Health Organization Quality of Life questionnaire for the assessment of QOL. RESULTS QOL in MS is lower compared with that of their caregivers in all dimensions except the social domain (P less then .001, r = 0.54-0.64). A higher need for social support was experienced by caregivers. The need for support in this group is affected by 3 predictors QOL in the environmental domain and in the physical domain as well as their subjective health. An improvement in QOL in all the domains is related to an increase of perceived available support, in both the group of patients and that of their caregivers (P less then .05, ρ = 0.28-0.59). CONCLUSIONS Perceived available support is of great importance for both patients and their caregivers to enable them to function better in the physical, mental, social, and environmental domains of their QOL, where social relationships play a predictive role.BACKGROUND Anaesthesia reduces mean arterial pressure (MAP), and to preserve organ perfusion, vasopressors are often used to maintain MAP above 60 mmHg. Cognitive dysfunction is common following major surgery and may relate to intra-operative cerebral hypoperfusion. OBJECTIVE The aim of this study was to evaluate whether internal carotid artery (ICA) blood flow increases when MAP is kept higher than 60 mmHg using noradrenaline. DESIGN A randomised, cross-over trial. SETTING Department of Anaesthesia, Rigshospitalet, Copenhagen, Denmark, from December 2017 to April 2018. PATIENTS Patients with median [IQR] age 71 [63 to 75] years underwent pancreaticoduodenectomy (n = 19), total pancreatic resection (n = 1) or gastro-entero anastomosis (n = 2) during combined propofol-remifentanil and thoracic epidural anaesthesia. INTERVENTION MAP was maintained between 60 to 65, 70 to 75 and 80 to 85 mmHg, in a random order, by noradrenaline infusion at a stable level of anaesthesia. MAIN OUTCOME MEASURES Primary outcome was change in ICA flow at MAP 60 to 65 vs. 80 to 85 mmHg. Secondary outcomes were change in ICA flow at MAP 60 to 65 vs. 70 to 75 and 70 to 75 vs. https://www.selleckchem.com/products/bromoenol-lactone.html 80 to 85 mmHg. Duplex ultrasound evaluated ICA flow. RESULTS A (mean ± SD) increase in MAP from 62 ±â€Š1 to 82 ±â€Š1 mmHg elevated ICA flow from 196 ±â€Š53 to 226 ±â€Š61 ml min (mean difference 31 ml min; 95% CI 19 to 42; P  less then  0.0001). An increase in MAP from 62 ±â€Š1 to 72 ±â€Š1 mmHg elevated ICA flow to 210 ±â€Š52 ml min (P = 0.0271) and ICA flow increased further (P = 0.0165) when MAP was elevated to 82 ±â€Š1 mmHg. CONCLUSION During combined propofol-remifentanil and thoracic epidural anaesthesia, ICA flow increased by approximately 15% when the MAP was elevated from about 60 to 80 mmHg. Treatment of a reduction in MAP brought about by anaesthesia seems to enhance ICA flow. TRIAL REGISTRATION Clinicaltrials.gov ID NCT03309917.BACKGROUND Real-life experience with idarucizumab, which reverses the anticoagulant effect of dabigatran, is currently limited. OBJECTIVE To evaluate efficacy and safety of the clinical use of idarucizumab after its availability in Slovenia. METHODS We analysed consecutive cases treated with idarucizumab in Slovenia from January to October 2016. The decision to reverse dabigatran with idarucizumab was made by the treating clinicians, as was the assessment of clinical outcomes and blood sampling/monitoring (activated partial thromboplastin time, thrombin time and diluted thrombin time) before and after use. RESULTS Idarucizumab was used in 17 cases. One patient was treated with the antidote twice with an interval of 2 months between treatments. The indications for idarucizumab use were emergency surgery (4/17), severe bleeding (11/17; seven with intracranial bleeding) and ischaemic stroke (2/17). During surgery, no excessive bleeding was reported. Five patients died due to cardiogenic, haemorrhagic or septic shock, intracranial bleeding or multiple organ failure. Among cases with laboratory data available, baseline coagulation tests were prolonged in 12/13 cases with bleeding or emergency surgery. After idarucizumab administration, normal coagulation parameters were confirmed in 10/11. However, re-occurrence of dabigatran effect was noted later in four patients with creatinine clearance less than 30 ml min, and one patient with persistent bleeding required retreatment with idarucizumab. CONCLUSION Our first experiences with idarucizumab use in daily-care settings support a rapid and efficient decrease in the anticoagulant effect of dabigatran in emergency situations. Late re-occurrence of dabigatran effect was noted in a subset of patients with severe renal failure.0 Comments 0 Shares 85 Views 0 Reviews -
Estimating the forces acting between instruments and tissue is a challenging problem for robot-assisted minimally-invasive surgery. Recently, numerous vision-based methods have been proposed to replace electro-mechanical approaches. Moreover, optical coherence tomography (OCT) and deep learning have been used for estimating forces based on deformation observed in volumetric image data. The method demonstrated the advantage of deep learning with 3D volumetric data over 2D depth images for force estimation. In this work, we extend the problem of deep learning-based force estimation to 4D spatio-temporal data with streams of 3D OCT volumes. For this purpose, we design and evaluate several methods extending spatio-temporal deep learning to 4D which is largely unexplored so far. https://www.selleckchem.com/products/l-ornithine-l-aspartate.html Furthermore, we provide an in-depth analysis of multi-dimensional image data representations for force estimation, comparing our 4D approach to previous, lower-dimensional methods. Also, we analyze the effect of temporal information and we study the prediction of short-term future force values, which could facilitate safety features. For our 4D force estimation architectures, we find that efficient decoupling of spatial and temporal processing is advantageous. We show that using 4D spatio-temporal data outperforms all previously used data representations with a mean absolute error of 10.7 mN. We find that temporal information is valuable for force estimation and we demonstrate the feasibility of force prediction.Unsupervised lesion detection is a challenging problem that requires accurately estimating normative distributions of healthy anatomy and detecting lesions as outliers without training examples. Recently, this problem has received increased attention from the research community following the advances in unsupervised learning with deep learning. Such advances allow the estimation of high-dimensional distributions, such as normative distributions, with higher accuracy than previous methods. The main approach of the recently proposed methods is to learn a latent-variable model parameterized with networks to approximate the normative distribution using example images showing healthy anatomy, perform prior-projection, i.e. reconstruct the image with lesions using the latent-variable model, and determine lesions based on the differences between the reconstructed and original images. While being promising, the prior-projection step often leads to a large number of false positives. In this work, we approach unsupervised lesion detection as an image restoration problem and propose a probabilistic model that uses a network-based prior as the normative distribution and detect lesions pixel-wise using MAP estimation. The probabilistic model punishes large deviations between restored and original images, reducing false positives in pixel-wise detections. Experiments with gliomas and stroke lesions in brain MRI using publicly available datasets show that the proposed approach outperforms the state-of-the-art unsupervised methods by a substantial margin, +0.13 (AUC), for both glioma and stroke detection. Extensive model analysis confirms the effectiveness of MAP-based image restoration.Skin lesion segmentation from dermoscopy images is a fundamental yet challenging task in the computer-aided skin diagnosis system due to the large variations in terms of their views and scales of lesion areas. We propose a novel and effective generative adversarial network (GAN) to meet these challenges. Specifically, this network architecture integrates two modules a skip connection and dense convolution U-Net (UNet-SCDC) based segmentation module and a dual discrimination (DD) module. While the UNet-SCDC module uses dense dilated convolution blocks to generate a deep representation that preserves fine-grained information, the DD module makes use of two discriminators to jointly decide whether the input of the discriminators is real or fake. While one discriminator, with a traditional adversarial loss, focuses on the differences at the boundaries of the generated segmentation masks and the ground truths, the other examines the contextual environment of target object in the original image using a conditional discriminative loss. We integrate these two modules and train the proposed GAN in an end-to-end manner. The proposed GAN is evaluated on the public International Skin Imaging Collaboration (ISIC) Skin Lesion Challenge Datasets of 2017 and 2018. Extensive experimental results demonstrate that the proposed network achieves superior segmentation performance to state-of-the-art methods.Objective Goals of care discussions are crucial in helping parents navigate complex medical decisions and shown to improve quality of care. Little is known about whether physicians elicit or address parents' goals during a child's hospitalization. The purpose of this study was to understand the current practice of goal setting at the beginning of hospitalization by exploring the perspectives of parents of hospitalized children and their hospital physicians. Methods A qualitative study with semi-structured interviews was conducted from 2018 to 2019 at a 361-bed quaternary suburban freestanding children's hospital. Twenty-seven parents of hospitalized children and sixteen pediatric hospital medicine faculty were matched to participate. Data was analyzed using modified grounded theory, with themes identified through constant comparative approach. Results Five themes were identified 1) Majority of hospitalized children's parents want to share their goals with physicians. 2) Parents and physicians share the same underlying goal of getting the child better to go home. 3) Parents of children with chronic diseases identified non-hospital goals that were not addressed. 4) Physicians do not explicitly elicit but rather assume what parents' goals of care are. 5) Factors related to patient, parent, and physician were identified as barriers to goal setting. Conclusions Physicians may not consistently elicit parents' goals of care for their hospitalized children at the start of hospitalization. Parents desire their physicians to explicitly ask about their goals and involve them in goal setting during hospitalization. Strategies were identified by parents and physicians to improve goal setting with parents of hospitalized children.
Estimating the forces acting between instruments and tissue is a challenging problem for robot-assisted minimally-invasive surgery. Recently, numerous vision-based methods have been proposed to replace electro-mechanical approaches. Moreover, optical coherence tomography (OCT) and deep learning have been used for estimating forces based on deformation observed in volumetric image data. The method demonstrated the advantage of deep learning with 3D volumetric data over 2D depth images for force estimation. In this work, we extend the problem of deep learning-based force estimation to 4D spatio-temporal data with streams of 3D OCT volumes. For this purpose, we design and evaluate several methods extending spatio-temporal deep learning to 4D which is largely unexplored so far. https://www.selleckchem.com/products/l-ornithine-l-aspartate.html Furthermore, we provide an in-depth analysis of multi-dimensional image data representations for force estimation, comparing our 4D approach to previous, lower-dimensional methods. Also, we analyze the effect of temporal information and we study the prediction of short-term future force values, which could facilitate safety features. For our 4D force estimation architectures, we find that efficient decoupling of spatial and temporal processing is advantageous. We show that using 4D spatio-temporal data outperforms all previously used data representations with a mean absolute error of 10.7 mN. We find that temporal information is valuable for force estimation and we demonstrate the feasibility of force prediction.Unsupervised lesion detection is a challenging problem that requires accurately estimating normative distributions of healthy anatomy and detecting lesions as outliers without training examples. Recently, this problem has received increased attention from the research community following the advances in unsupervised learning with deep learning. Such advances allow the estimation of high-dimensional distributions, such as normative distributions, with higher accuracy than previous methods. The main approach of the recently proposed methods is to learn a latent-variable model parameterized with networks to approximate the normative distribution using example images showing healthy anatomy, perform prior-projection, i.e. reconstruct the image with lesions using the latent-variable model, and determine lesions based on the differences between the reconstructed and original images. While being promising, the prior-projection step often leads to a large number of false positives. In this work, we approach unsupervised lesion detection as an image restoration problem and propose a probabilistic model that uses a network-based prior as the normative distribution and detect lesions pixel-wise using MAP estimation. The probabilistic model punishes large deviations between restored and original images, reducing false positives in pixel-wise detections. Experiments with gliomas and stroke lesions in brain MRI using publicly available datasets show that the proposed approach outperforms the state-of-the-art unsupervised methods by a substantial margin, +0.13 (AUC), for both glioma and stroke detection. Extensive model analysis confirms the effectiveness of MAP-based image restoration.Skin lesion segmentation from dermoscopy images is a fundamental yet challenging task in the computer-aided skin diagnosis system due to the large variations in terms of their views and scales of lesion areas. We propose a novel and effective generative adversarial network (GAN) to meet these challenges. Specifically, this network architecture integrates two modules a skip connection and dense convolution U-Net (UNet-SCDC) based segmentation module and a dual discrimination (DD) module. While the UNet-SCDC module uses dense dilated convolution blocks to generate a deep representation that preserves fine-grained information, the DD module makes use of two discriminators to jointly decide whether the input of the discriminators is real or fake. While one discriminator, with a traditional adversarial loss, focuses on the differences at the boundaries of the generated segmentation masks and the ground truths, the other examines the contextual environment of target object in the original image using a conditional discriminative loss. We integrate these two modules and train the proposed GAN in an end-to-end manner. The proposed GAN is evaluated on the public International Skin Imaging Collaboration (ISIC) Skin Lesion Challenge Datasets of 2017 and 2018. Extensive experimental results demonstrate that the proposed network achieves superior segmentation performance to state-of-the-art methods.Objective Goals of care discussions are crucial in helping parents navigate complex medical decisions and shown to improve quality of care. Little is known about whether physicians elicit or address parents' goals during a child's hospitalization. The purpose of this study was to understand the current practice of goal setting at the beginning of hospitalization by exploring the perspectives of parents of hospitalized children and their hospital physicians. Methods A qualitative study with semi-structured interviews was conducted from 2018 to 2019 at a 361-bed quaternary suburban freestanding children's hospital. Twenty-seven parents of hospitalized children and sixteen pediatric hospital medicine faculty were matched to participate. Data was analyzed using modified grounded theory, with themes identified through constant comparative approach. Results Five themes were identified 1) Majority of hospitalized children's parents want to share their goals with physicians. 2) Parents and physicians share the same underlying goal of getting the child better to go home. 3) Parents of children with chronic diseases identified non-hospital goals that were not addressed. 4) Physicians do not explicitly elicit but rather assume what parents' goals of care are. 5) Factors related to patient, parent, and physician were identified as barriers to goal setting. Conclusions Physicians may not consistently elicit parents' goals of care for their hospitalized children at the start of hospitalization. Parents desire their physicians to explicitly ask about their goals and involve them in goal setting during hospitalization. Strategies were identified by parents and physicians to improve goal setting with parents of hospitalized children.0 Comments 0 Shares 83 Views 0 Reviews -
We interpret the domesticated organisms-plants, animals, and the domesticated microbes used for food fermentation-as an extended genotype of humans due to their close relationship with our species. We propose to analyse the role of microbes in traditionally fermented food with the approaches used in the human microbiome project, and we expect to find associations with ethnic groups, explaining part of human (culinary) culture. © 2020 Society for Applied Microbiology and John Wiley & Sons Ltd.BACKGROUND AND AIMS Hepatocellular carcinoma (HCC) risk in chronic hepatitis B (CHB) substantially decreased in the era of potent antiviral therapy. We developed an optimized HCC risk prediction model for CHB with well-controlled viremia by nucelos(t)ide analogs (NUCs). METHOD We analyzed those who achieved virological response (VR; serum HBV-DNA161) groups were more likely to develop HCC compared to the low-risk group (score≤75) with statistical significances (HRs; 4.43 and 47.693, respectively; both p less then 0.001). CONCLUSION CAMPAS model derived through comprehensive clinical evaluation of liver disease allowed the more delicate HCC prediction for CHB patients with well-controlled viremia by NUCs. This article is protected by copyright. https://www.selleckchem.com/products/bismuth-subnitrate.html All rights reserved.INTRODUCTION AND AIMS The Trans-Pacific Partnership Agreement (TPP) included novel rules for wine and spirits requiring parties to allow wine and spirits importers to display information required by the importing country on a supplementary label rather than on the standard label. Since the TPP negotiations concluded, alcohol-specific supplementary labelling rules have begun to appear in other trade agreements. The aim of this paper was to map the new instruments containing these rules and examine developments in the rules with implications for health information on alcohol containers. DESIGN AND METHODS Trade agreements signed after the TPP negotiations concluded were retrieved and searched for alcohol-specific labelling provisions. A legal analysis of these provisions and related exceptions was undertaken. RESULTS Supplementary labelling rules similar or identical to those in the TPP have been included in five subsequent trade agreements. The United States-Mexico-Canada Agreement also includes several additional provisions about alcohol labelling. Exceptions in the agreements provide some space for governments to defend labelling measure that might otherwise breach the rules, in the event of a dispute. DISCUSSION AND CONCLUSIONS By securing these rules, the alcohol industry is better positioned to claim the space on the standard label as industry 'real estate' and to oppose mandatory health information incorporated into the standard labelling. These risks can be mitigated by stemming the adoption of supplementary labelling rules in further trade agreements; clarifying the text of agreements and ensuring that regulators understand that the rules do not prevent the use of 'best-practice' warning labels. © 2020 Australasian Professional Society on Alcohol and other Drugs.BACKGROUND To clarify the features affecting cardiac sympathetic denervation in autopsy-confirmed dementia with Lewy bodies (DLB) patients. METHODS Fifty-four autopsy-confirmed DLB patients were enrolled. Tissue samples of the left ventricular anterior wall were immunostained with anti-tyrosine hydroxylase antibody to identify catecholaminergic nerve axons. We quantified immunostained areas as residual cardiac sympathetic nerve (CSN) axons and examined the relationship between the degree of residual CSN axons and clinical and neuropathological features. RESULTS Virtually all patients showed small amounts of residual CSN axons (0.87%, range 0.02-9.98%), with 50 patients (92.6%) showing less than 2.0% of residual axons. The patients who showed psychological symptoms within the first year of the disease had significantly more residual CSN axons than the remaining patients did (1.50% vs. 0.40%, p less then 0.01). Patients with a short disease duration and neocortical-type Lewy body pathology tended to have more preserved CSN axons, although this difference was not statistically significant. Fifty-three patients (98.1%) who had neurofibrillary tangles in the brain and strong concomitant Alzheimer's disease (AD) pathology also had statistically significantly more preserved CSN axons. The patient with the most preserved CSN axons showed different characteristics from the results, except for the first symptom. CONCLUSION Psychological symptoms within the first year of the disease, a short disease duration, neocortical-type Lewy body pathology, and strong concomitant AD pathology may be related to mild CSN degeneration in DLB patients. Thus, DLB patients with broad LB pathology in the brain in the early stages may show mild CSN degeneration. This article is protected by copyright. All rights reserved.INTRODUCTION Left bundle branch pacing (LBBP) is a promising new method for patients with pacing indications. This study aims to evaluate the safety and feasibility of LBBP in a relatively longer time span. METHODS AND RESULTS A total of 164 patients were recruited for LBBP in this study. Among these patients, 148 patients had pacing indications due to symptomatic bradycardia while the other 16 patients had indications for cardiac resynchronization therapy (CRT). LBBP was successful in 89.0% (146/164) of all recruited patients. Intracardiac and surface electrographic parameters and image data were documented during the LBBP procedure. The mean paced QRS duration (pQRSD) and the mean stimulus to left ventricular activation time (stim-LVAT) was 106.0 ± 12.9 ms and 64.4 ± 13.7 ms respectively. Left bundle branch (LBB) potentials were recorded in 89 patients. Forty-three of whom had sick sinus syndrome (SSS), and 46 had atrioventricular block (AVB). The presence of LBB potential was more common in patients with SSS (82.7% vs 57.5%, P = .002). No significant differences in pQRSD, stim-LVAT, or capture threshold were detected between patient groups with or without LBB potential. Patients were followed up at 1 month, 3 months, 6 months, and 1 year after the procedure. Pacing parameters and the echocardiographic data remained stable within a mean follow-up period of 8.6 ± 4.3 months. No serious complication caused by this procedure was found in this study. CONCLUSIONS Successful LBBP carried an aspect of short pQRSD and stim-LVAT while the LBB potential was not the prerequisite and necessary feature. The LBBP procedure had a high success rate with satisfied and stable lead parameters during short and intermediate-term observations. © 2020 The Authors. Journal of Cardiovascular Electrophysiology published by Wiley Periodicals LLC.
We interpret the domesticated organisms-plants, animals, and the domesticated microbes used for food fermentation-as an extended genotype of humans due to their close relationship with our species. We propose to analyse the role of microbes in traditionally fermented food with the approaches used in the human microbiome project, and we expect to find associations with ethnic groups, explaining part of human (culinary) culture. © 2020 Society for Applied Microbiology and John Wiley & Sons Ltd.BACKGROUND AND AIMS Hepatocellular carcinoma (HCC) risk in chronic hepatitis B (CHB) substantially decreased in the era of potent antiviral therapy. We developed an optimized HCC risk prediction model for CHB with well-controlled viremia by nucelos(t)ide analogs (NUCs). METHOD We analyzed those who achieved virological response (VR; serum HBV-DNA161) groups were more likely to develop HCC compared to the low-risk group (score≤75) with statistical significances (HRs; 4.43 and 47.693, respectively; both p less then 0.001). CONCLUSION CAMPAS model derived through comprehensive clinical evaluation of liver disease allowed the more delicate HCC prediction for CHB patients with well-controlled viremia by NUCs. This article is protected by copyright. https://www.selleckchem.com/products/bismuth-subnitrate.html All rights reserved.INTRODUCTION AND AIMS The Trans-Pacific Partnership Agreement (TPP) included novel rules for wine and spirits requiring parties to allow wine and spirits importers to display information required by the importing country on a supplementary label rather than on the standard label. Since the TPP negotiations concluded, alcohol-specific supplementary labelling rules have begun to appear in other trade agreements. The aim of this paper was to map the new instruments containing these rules and examine developments in the rules with implications for health information on alcohol containers. DESIGN AND METHODS Trade agreements signed after the TPP negotiations concluded were retrieved and searched for alcohol-specific labelling provisions. A legal analysis of these provisions and related exceptions was undertaken. RESULTS Supplementary labelling rules similar or identical to those in the TPP have been included in five subsequent trade agreements. The United States-Mexico-Canada Agreement also includes several additional provisions about alcohol labelling. Exceptions in the agreements provide some space for governments to defend labelling measure that might otherwise breach the rules, in the event of a dispute. DISCUSSION AND CONCLUSIONS By securing these rules, the alcohol industry is better positioned to claim the space on the standard label as industry 'real estate' and to oppose mandatory health information incorporated into the standard labelling. These risks can be mitigated by stemming the adoption of supplementary labelling rules in further trade agreements; clarifying the text of agreements and ensuring that regulators understand that the rules do not prevent the use of 'best-practice' warning labels. © 2020 Australasian Professional Society on Alcohol and other Drugs.BACKGROUND To clarify the features affecting cardiac sympathetic denervation in autopsy-confirmed dementia with Lewy bodies (DLB) patients. METHODS Fifty-four autopsy-confirmed DLB patients were enrolled. Tissue samples of the left ventricular anterior wall were immunostained with anti-tyrosine hydroxylase antibody to identify catecholaminergic nerve axons. We quantified immunostained areas as residual cardiac sympathetic nerve (CSN) axons and examined the relationship between the degree of residual CSN axons and clinical and neuropathological features. RESULTS Virtually all patients showed small amounts of residual CSN axons (0.87%, range 0.02-9.98%), with 50 patients (92.6%) showing less than 2.0% of residual axons. The patients who showed psychological symptoms within the first year of the disease had significantly more residual CSN axons than the remaining patients did (1.50% vs. 0.40%, p less then 0.01). Patients with a short disease duration and neocortical-type Lewy body pathology tended to have more preserved CSN axons, although this difference was not statistically significant. Fifty-three patients (98.1%) who had neurofibrillary tangles in the brain and strong concomitant Alzheimer's disease (AD) pathology also had statistically significantly more preserved CSN axons. The patient with the most preserved CSN axons showed different characteristics from the results, except for the first symptom. CONCLUSION Psychological symptoms within the first year of the disease, a short disease duration, neocortical-type Lewy body pathology, and strong concomitant AD pathology may be related to mild CSN degeneration in DLB patients. Thus, DLB patients with broad LB pathology in the brain in the early stages may show mild CSN degeneration. This article is protected by copyright. All rights reserved.INTRODUCTION Left bundle branch pacing (LBBP) is a promising new method for patients with pacing indications. This study aims to evaluate the safety and feasibility of LBBP in a relatively longer time span. METHODS AND RESULTS A total of 164 patients were recruited for LBBP in this study. Among these patients, 148 patients had pacing indications due to symptomatic bradycardia while the other 16 patients had indications for cardiac resynchronization therapy (CRT). LBBP was successful in 89.0% (146/164) of all recruited patients. Intracardiac and surface electrographic parameters and image data were documented during the LBBP procedure. The mean paced QRS duration (pQRSD) and the mean stimulus to left ventricular activation time (stim-LVAT) was 106.0 ± 12.9 ms and 64.4 ± 13.7 ms respectively. Left bundle branch (LBB) potentials were recorded in 89 patients. Forty-three of whom had sick sinus syndrome (SSS), and 46 had atrioventricular block (AVB). The presence of LBB potential was more common in patients with SSS (82.7% vs 57.5%, P = .002). No significant differences in pQRSD, stim-LVAT, or capture threshold were detected between patient groups with or without LBB potential. Patients were followed up at 1 month, 3 months, 6 months, and 1 year after the procedure. Pacing parameters and the echocardiographic data remained stable within a mean follow-up period of 8.6 ± 4.3 months. No serious complication caused by this procedure was found in this study. CONCLUSIONS Successful LBBP carried an aspect of short pQRSD and stim-LVAT while the LBB potential was not the prerequisite and necessary feature. The LBBP procedure had a high success rate with satisfied and stable lead parameters during short and intermediate-term observations. © 2020 The Authors. Journal of Cardiovascular Electrophysiology published by Wiley Periodicals LLC.0 Comments 0 Shares 0 Views 0 Reviews -
LC anatomical parameters can be estimated with precision using SDOCT with enhanced depth imaging (EDI). Copyright © Pakistan Journal of Medical Sciences.Objective To investigate the clinical efficacy of paroxetine combined with olanzapine in the treatment of senile schizophrenia with depression. Methods Eighty-four elderly schizophrenic patients with depression who were admitted to our hospital from August 2016 to February 2018 were selected as research subjects and randomly divided into observation group and control group using random number table, 42 cases in each group. The control group was treated with olanzapine orally, while the observation group was treated with olanzapine and paroxetine orally. The level of homocysteine (Hcy) in the two groups was analyzed before and after treatment. The efficacy was evaluated by the Positive and Negative Symptoms Scale (PANSS) score and Hamilton Depression Scale (HAMD) score. The adverse reactions of the two groups were compared. Results After treatment, the level of serum Hcy in the observation group was significantly lower than that in the control group (P0.05). Conclusion Paroxetine combined with olanzapine has a definite clinical effect in the treatment of senile schizophrenia with depression. It can effectively reduce the level of serum Hcy, relieve the symptoms of schizophrenia, and alleviate the depressive symptoms of patients, with high safety. It is worth promoting. Copyright © Pakistan Journal of Medical Sciences.Objectives To investigate the severity of cognitive dysfunction and sleep quality impairment in patients with middle cerebral artery (MCA) strokes across the left and right hemisphere. Moreover, it also study gender differences with respect to MCA strokes. Methods The study was conducted from February 2019 - May 2019 at COMSATS University, Islamabad. A total sample size of N=55 middle cerebral artery ischemic infarct patients was selected with N=29 left middle cerebral artery ischemic infarct patients and N=26 right middle cerebral artery ischemic infarct patients. The sample was assessed on The Neurocognitive Assessment Battery for stroke patients (N-CABS) & The Pittsburgh Sleep Quality Index-Urdu (PSQI-U). Results The mean age of the sample was 50.96 years. There was a significant difference among scores of cognitive dysfunction between Left MCA (M=47.28, SD=12.87) and Right MCA stroke patients (M=29.7, S=21.41), t (53) =-6.80, p less then 0.001. Similarly, there was significant difference among scores of sleep disturbance between Left MCA (M=6.90, SD=2.93) and Right MCA (M=10.35, SD=3.97), t (53) =-3.68, p less then 0.001. Gender comparisons reveal that there is no significant difference between males and females for both, cognitive dysfunction and sleep quality impairment. Conclusions Cognitive dysfunction and sleep quality impairment due to MCA strokes is significant between left and right hemispheres respectively, regardless of gender, assessed with N-CABS and PSQI-U. Further studies are required to analyse other demographic correlates related to MCA strokes. Copyright © Pakistan Journal of Medical Sciences.Objective To find out if there is any relationship of methylation status of ABO gene promoter with the risk of acute myocardial infarction (AMI) in a hospital-based Pakistani population in Karachi, Pakistan. Methods A case control study comprising of 39 adult AMI patients (both males and females; age range 30-70 years) and 39 normal healthy controls (both males and females and similar age range) nested in a large study (to see the relationship of ABO genotypes with AMI) was designed to investigate the methylation status of ABO gene promoter and its association with AMI. https://www.selleckchem.com/products/ugt8-in-1.html The study was carried out at the Aga Khan University, Karachi during July 2018 to June 2019. DNA isolated from samples of AMI patients and normal healthy controls were converted into bisulphite DNA using a kit method. Methylation specific polymerase chain reaction was carried out to determine the methylation status of ABO gene promoter in both cases and controls. Logistic regression was used to find out any association between increased methylation status of ABO gene promoter and risk of AMI. Results A significantly higher percentage of DNA methylation of the ABO gene promoter was observed in AMI patients as compared to normal healthy controls (82.1% vs. 35.9%; p value less then 0.001). This higher methylation status of ABO gene promoter was associated with AMI and the odds of AMI in this population were more than 6-fold in subjects with methylated gene promoter compared to those with unmethylated gene promoter after adjusting with age and waist circumference [AOR (95% CI) = 6.27 (1.76-22.3); p value = 0.005]. Conclusion The ABO gene promoter's hypermethylation appears to be increasing the risk of AMI in a hospital-based Pakistani population in Karachi, Pakistan. Copyright © Pakistan Journal of Medical Sciences.Objective To investigate the clinical effect of ambroxol in the treatment of asthmatic bronchitis. Methods One hundred and twenty patients with asthmatic bronchitis who were admitted to our hospital from June 2017 to August 2018 were selected as the research subjects and divided into a control group and an observation group according to random number table method, 60 in each group. The control group was treated with conventional treatment, while the observation group was treated with ambroxol in addition to conventional treatment. The therapeutic effect, disappearance time of symptoms and signs and the recovery of pulmonary function were compared between the two groups. Results The total effective rate of the observation group was 96.7%, and that of the control group was 73.3%. The control effect of the observation group was significantly better than that of the control group, showing a significant difference (P less then 0.05). The disappearance time of symptoms of the observation group was shorter than that of the control group, and the recovery of pulmonary function was better; the differences were statistically significant (P less then 0.05). Conclusion For asthmatic bronchitis patients, addition of ambroxol to conventional treatment can improve the therapeutic effect, shorten the disappearance time of clinical signs and symptoms, and promote the recovery of patients, which is worth clinical application. Copyright © Pakistan Journal of Medical Sciences.
LC anatomical parameters can be estimated with precision using SDOCT with enhanced depth imaging (EDI). Copyright © Pakistan Journal of Medical Sciences.Objective To investigate the clinical efficacy of paroxetine combined with olanzapine in the treatment of senile schizophrenia with depression. Methods Eighty-four elderly schizophrenic patients with depression who were admitted to our hospital from August 2016 to February 2018 were selected as research subjects and randomly divided into observation group and control group using random number table, 42 cases in each group. The control group was treated with olanzapine orally, while the observation group was treated with olanzapine and paroxetine orally. The level of homocysteine (Hcy) in the two groups was analyzed before and after treatment. The efficacy was evaluated by the Positive and Negative Symptoms Scale (PANSS) score and Hamilton Depression Scale (HAMD) score. The adverse reactions of the two groups were compared. Results After treatment, the level of serum Hcy in the observation group was significantly lower than that in the control group (P0.05). Conclusion Paroxetine combined with olanzapine has a definite clinical effect in the treatment of senile schizophrenia with depression. It can effectively reduce the level of serum Hcy, relieve the symptoms of schizophrenia, and alleviate the depressive symptoms of patients, with high safety. It is worth promoting. Copyright © Pakistan Journal of Medical Sciences.Objectives To investigate the severity of cognitive dysfunction and sleep quality impairment in patients with middle cerebral artery (MCA) strokes across the left and right hemisphere. Moreover, it also study gender differences with respect to MCA strokes. Methods The study was conducted from February 2019 - May 2019 at COMSATS University, Islamabad. A total sample size of N=55 middle cerebral artery ischemic infarct patients was selected with N=29 left middle cerebral artery ischemic infarct patients and N=26 right middle cerebral artery ischemic infarct patients. The sample was assessed on The Neurocognitive Assessment Battery for stroke patients (N-CABS) & The Pittsburgh Sleep Quality Index-Urdu (PSQI-U). Results The mean age of the sample was 50.96 years. There was a significant difference among scores of cognitive dysfunction between Left MCA (M=47.28, SD=12.87) and Right MCA stroke patients (M=29.7, S=21.41), t (53) =-6.80, p less then 0.001. Similarly, there was significant difference among scores of sleep disturbance between Left MCA (M=6.90, SD=2.93) and Right MCA (M=10.35, SD=3.97), t (53) =-3.68, p less then 0.001. Gender comparisons reveal that there is no significant difference between males and females for both, cognitive dysfunction and sleep quality impairment. Conclusions Cognitive dysfunction and sleep quality impairment due to MCA strokes is significant between left and right hemispheres respectively, regardless of gender, assessed with N-CABS and PSQI-U. Further studies are required to analyse other demographic correlates related to MCA strokes. Copyright © Pakistan Journal of Medical Sciences.Objective To find out if there is any relationship of methylation status of ABO gene promoter with the risk of acute myocardial infarction (AMI) in a hospital-based Pakistani population in Karachi, Pakistan. Methods A case control study comprising of 39 adult AMI patients (both males and females; age range 30-70 years) and 39 normal healthy controls (both males and females and similar age range) nested in a large study (to see the relationship of ABO genotypes with AMI) was designed to investigate the methylation status of ABO gene promoter and its association with AMI. https://www.selleckchem.com/products/ugt8-in-1.html The study was carried out at the Aga Khan University, Karachi during July 2018 to June 2019. DNA isolated from samples of AMI patients and normal healthy controls were converted into bisulphite DNA using a kit method. Methylation specific polymerase chain reaction was carried out to determine the methylation status of ABO gene promoter in both cases and controls. Logistic regression was used to find out any association between increased methylation status of ABO gene promoter and risk of AMI. Results A significantly higher percentage of DNA methylation of the ABO gene promoter was observed in AMI patients as compared to normal healthy controls (82.1% vs. 35.9%; p value less then 0.001). This higher methylation status of ABO gene promoter was associated with AMI and the odds of AMI in this population were more than 6-fold in subjects with methylated gene promoter compared to those with unmethylated gene promoter after adjusting with age and waist circumference [AOR (95% CI) = 6.27 (1.76-22.3); p value = 0.005]. Conclusion The ABO gene promoter's hypermethylation appears to be increasing the risk of AMI in a hospital-based Pakistani population in Karachi, Pakistan. Copyright © Pakistan Journal of Medical Sciences.Objective To investigate the clinical effect of ambroxol in the treatment of asthmatic bronchitis. Methods One hundred and twenty patients with asthmatic bronchitis who were admitted to our hospital from June 2017 to August 2018 were selected as the research subjects and divided into a control group and an observation group according to random number table method, 60 in each group. The control group was treated with conventional treatment, while the observation group was treated with ambroxol in addition to conventional treatment. The therapeutic effect, disappearance time of symptoms and signs and the recovery of pulmonary function were compared between the two groups. Results The total effective rate of the observation group was 96.7%, and that of the control group was 73.3%. The control effect of the observation group was significantly better than that of the control group, showing a significant difference (P less then 0.05). The disappearance time of symptoms of the observation group was shorter than that of the control group, and the recovery of pulmonary function was better; the differences were statistically significant (P less then 0.05). Conclusion For asthmatic bronchitis patients, addition of ambroxol to conventional treatment can improve the therapeutic effect, shorten the disappearance time of clinical signs and symptoms, and promote the recovery of patients, which is worth clinical application. Copyright © Pakistan Journal of Medical Sciences.0 Comments 0 Shares 3 Views 0 Reviews -
ficance for the promotion of postoperative rehabilitation, which is worthy of popularization in clinical practice.Purpose This study was undertaken to investigate the anticancer effects of Sulforaphane against liver cancer and to elucidate the underlying molecular mechanisms. Methods WST-1 assay was used to monitor the proliferation rate. DAPI and annexin V/propidium iodide (PI) staining was used for apoptosis. Flow cytometry was used for cell cycle analysis. Wound heal and transwell assays were used to monitor cell migration and invasion. The protein expression was determined by western blot analysis. Results It was found that Sulforaphane decreased the viability of the liver cancer HepG2 cells and exhibited an IC50 of 9 µM. Nonetheless, Sulforaphane (µM) exerted very low toxic effects on the normal AML12 hepatocytes and exhibited an IC50 of 100 µM. Flow cytometery analysis showed that Sulforaphane triggered G2/M arrest of the liver HepG2 cancer cells. DAPI staining revealed that Sulforaphane triggered the apoptotic cell death of HepG2 cells which was accompanied with activation of caspases 3 and 9, upregulation of Bax and downregulation of Bcl-2. Transwell assays showed that Sulforaphane inhibited the migration and invasion of the HepG2 liver cancer cells in a dose dependent manner. The effects of Sulforaphane were also investigated on the MAPK7 signalling pathway and it was found that Sulforaphane could block this pathway in HepG2 cells. Conclusion Taken together, Sulforaphane may prove essential in the development of chemotherapy for liver cancers.Purpose To investigate the efficacy and safety of transcatheter arterial chemoembolization (TACE) combined with iodine-125 (125I) seed implantation and three-dimensional conformal radiotherapy (3DCRT) in treating primary hepatocellular carcinoma (HCC) in the advanced stage. Methods A total of 110 primary HCC patients in the advanced stage without operative indications admitted to and treated in our hospital from March 2014 to March 2016 were selected and divided into two groups using randomized single-blind method to receive TACE and 125I seed implantation combined with 3DCRT (TACE + 125I + 3DCRT group, n=55) as well as TACE combined with 3DCRT (TACE + 3DCRT group, n=55) separately. The short-term clinical efficacy, changes in the levels of alpha fetoprotein (AFP), insulin-like growth factor-II (IGF-II) and insulin-like growth factor binding protein-2 (IGFBP-2) in the serum before and after treatment, adverse reactions and long-term survival of the patients were observed and recorded. Results TACE + 125I + 3DCRT group had significantly higher objective response rate (ORR) and disease control rate (DCR) than TACE + 3DCRT group [83.6% (46/55) vs. 63.6% (35/55), 96.4% (53/55) vs. 83.6% (46/55)] (p=0.029, p=0.043). The levels of serum AFP, IGF-II and IGFBP-2 declined markedly after treatment in both groups compared with those before treatment (p0.05). The results of follow-up indicated that TACE + 125I + 3DCRT group had notably longer overall survival (OS) and progression-free survival (PFS) than TACE + 3DCRT group (p=0.030, p=0.016). Conclusion The treatment scheme of TACE and 125I seed implantation combined with 3DCRT have exact efficacy in advanced primary HCC, which can distinctly increase the ORR and DCR, prominently reduce the levels of serum AFP, IGF-II and IGFBP-2 and prolong the survival time of the patients without increasing adverse reactions compared with TACE + 3DCRT, so it is worthy of clinical popularization and application.Purpose To explore the efficacy and safety of sorafenib combined with transarterial chemoembolization (TACE) in the treatment of advanced hepatocellular carcinoma. Methods 118 patients with advanced hepatocellular carcinoma treated in our hospital from June 2014 to June 2016 were collected and randomly divided into the Sorafenib+TACE group (treated with Sorafenib combined with TACE, n=59) and the TACE group (n=59). The clinical efficacy, the changes in levels of serum vascular endothelial growth factor (VEGF), basic fibroblast growth factor (bFGF) and alpha fetoprotein (AFP) before and after treatment, adverse reactions and postoperative survival of patients were observed and recorded. Results The objective response rate (ORR) and the disease control rate (DCR) were 55.9% (33/59) and 86.4% (51/59) in the Sorafenib+TACE group, and 37.3% (22/59) and 67.8% (40/59) in the TACE group. Both ORR and DCR in the Sorafenib+TACE group were significantly superior to those in the TACE group (p=0.022, p=0.027). Main adversiously reduce the levels of serum VEGF, bFGF and AFP, and prolong the survival of patients with advanced hepatocellular carcinoma, while the adverse reactions are tolerable, so it is worthy of clinical popularization and application.Purpose Whether primary tumor resection (PTR) should be performed in patients with asymptomatic colorectal cancer (CRC) and unresectable synchronous metastasis is controversial. The purpose of this study was to investigate the prognostic impact of initial primary tumor resection in patients with synchronous unresectable metastatic CRC. Methods The patients with unresectable synchronous metastatic CRC who had undergone primary tumor resection and then received chemotherapy were compared with the patients who received only palliative systemic chemotherapy. Results Survival analysis showed that median overall survival (OS) for all patients was 22.37 months. Primary tumor resection was associated with a significant survival benefit on unadjusted analysis (median survival 29.56 months vs. 14.25 months; p less then 0.001). Two-year, 3-year and 5-year survival rates were 57%, 35%, 19% for the PTR group and 30%, 16%, 8% for the non-PTR group and all results were statistically significant and favored surgery. https://www.selleckchem.com/products/az-33.html Conclusions Our study suggests that primary tumor resection improves the survival of patients with metastatic CRC and unresectable synchronous metastasis.Purpose Anastomotic leakage (AL) is one of the most serious complications of colorectal surgery. We investigated whether the large-calibre transanal drainage tube (LTDT) placement could reduce AL after anterior resection for rectal cancer. Methods We restrospectively analyzed 222 patients who underwent anterior resection at our institution. The patients were divided into the large-calibre transanal drainage tube (LTDT) and non-transanal drainage tube (NTDT) groups according to whether the large-calibre transanal drainage tube was placed in the operation. Clinical characteristics and postoperative complication were compared between the LTDT and NTDT groups. Results In the LTDT group, AL occurred in 0 patient, whereas it occurred in 9 patients in the NTDT group. The rate of AL was significantly lower in the LTDT group (0 vs. 6.6%; p=0.015). Eight cases of AL were treated conservatively. One case developed severe peritonitis and underwent re-operation receiving temporary stoma.No perioperative death occurred in this series.
ficance for the promotion of postoperative rehabilitation, which is worthy of popularization in clinical practice.Purpose This study was undertaken to investigate the anticancer effects of Sulforaphane against liver cancer and to elucidate the underlying molecular mechanisms. Methods WST-1 assay was used to monitor the proliferation rate. DAPI and annexin V/propidium iodide (PI) staining was used for apoptosis. Flow cytometry was used for cell cycle analysis. Wound heal and transwell assays were used to monitor cell migration and invasion. The protein expression was determined by western blot analysis. Results It was found that Sulforaphane decreased the viability of the liver cancer HepG2 cells and exhibited an IC50 of 9 µM. Nonetheless, Sulforaphane (µM) exerted very low toxic effects on the normal AML12 hepatocytes and exhibited an IC50 of 100 µM. Flow cytometery analysis showed that Sulforaphane triggered G2/M arrest of the liver HepG2 cancer cells. DAPI staining revealed that Sulforaphane triggered the apoptotic cell death of HepG2 cells which was accompanied with activation of caspases 3 and 9, upregulation of Bax and downregulation of Bcl-2. Transwell assays showed that Sulforaphane inhibited the migration and invasion of the HepG2 liver cancer cells in a dose dependent manner. The effects of Sulforaphane were also investigated on the MAPK7 signalling pathway and it was found that Sulforaphane could block this pathway in HepG2 cells. Conclusion Taken together, Sulforaphane may prove essential in the development of chemotherapy for liver cancers.Purpose To investigate the efficacy and safety of transcatheter arterial chemoembolization (TACE) combined with iodine-125 (125I) seed implantation and three-dimensional conformal radiotherapy (3DCRT) in treating primary hepatocellular carcinoma (HCC) in the advanced stage. Methods A total of 110 primary HCC patients in the advanced stage without operative indications admitted to and treated in our hospital from March 2014 to March 2016 were selected and divided into two groups using randomized single-blind method to receive TACE and 125I seed implantation combined with 3DCRT (TACE + 125I + 3DCRT group, n=55) as well as TACE combined with 3DCRT (TACE + 3DCRT group, n=55) separately. The short-term clinical efficacy, changes in the levels of alpha fetoprotein (AFP), insulin-like growth factor-II (IGF-II) and insulin-like growth factor binding protein-2 (IGFBP-2) in the serum before and after treatment, adverse reactions and long-term survival of the patients were observed and recorded. Results TACE + 125I + 3DCRT group had significantly higher objective response rate (ORR) and disease control rate (DCR) than TACE + 3DCRT group [83.6% (46/55) vs. 63.6% (35/55), 96.4% (53/55) vs. 83.6% (46/55)] (p=0.029, p=0.043). The levels of serum AFP, IGF-II and IGFBP-2 declined markedly after treatment in both groups compared with those before treatment (p0.05). The results of follow-up indicated that TACE + 125I + 3DCRT group had notably longer overall survival (OS) and progression-free survival (PFS) than TACE + 3DCRT group (p=0.030, p=0.016). Conclusion The treatment scheme of TACE and 125I seed implantation combined with 3DCRT have exact efficacy in advanced primary HCC, which can distinctly increase the ORR and DCR, prominently reduce the levels of serum AFP, IGF-II and IGFBP-2 and prolong the survival time of the patients without increasing adverse reactions compared with TACE + 3DCRT, so it is worthy of clinical popularization and application.Purpose To explore the efficacy and safety of sorafenib combined with transarterial chemoembolization (TACE) in the treatment of advanced hepatocellular carcinoma. Methods 118 patients with advanced hepatocellular carcinoma treated in our hospital from June 2014 to June 2016 were collected and randomly divided into the Sorafenib+TACE group (treated with Sorafenib combined with TACE, n=59) and the TACE group (n=59). The clinical efficacy, the changes in levels of serum vascular endothelial growth factor (VEGF), basic fibroblast growth factor (bFGF) and alpha fetoprotein (AFP) before and after treatment, adverse reactions and postoperative survival of patients were observed and recorded. Results The objective response rate (ORR) and the disease control rate (DCR) were 55.9% (33/59) and 86.4% (51/59) in the Sorafenib+TACE group, and 37.3% (22/59) and 67.8% (40/59) in the TACE group. Both ORR and DCR in the Sorafenib+TACE group were significantly superior to those in the TACE group (p=0.022, p=0.027). Main adversiously reduce the levels of serum VEGF, bFGF and AFP, and prolong the survival of patients with advanced hepatocellular carcinoma, while the adverse reactions are tolerable, so it is worthy of clinical popularization and application.Purpose Whether primary tumor resection (PTR) should be performed in patients with asymptomatic colorectal cancer (CRC) and unresectable synchronous metastasis is controversial. The purpose of this study was to investigate the prognostic impact of initial primary tumor resection in patients with synchronous unresectable metastatic CRC. Methods The patients with unresectable synchronous metastatic CRC who had undergone primary tumor resection and then received chemotherapy were compared with the patients who received only palliative systemic chemotherapy. Results Survival analysis showed that median overall survival (OS) for all patients was 22.37 months. Primary tumor resection was associated with a significant survival benefit on unadjusted analysis (median survival 29.56 months vs. 14.25 months; p less then 0.001). Two-year, 3-year and 5-year survival rates were 57%, 35%, 19% for the PTR group and 30%, 16%, 8% for the non-PTR group and all results were statistically significant and favored surgery. https://www.selleckchem.com/products/az-33.html Conclusions Our study suggests that primary tumor resection improves the survival of patients with metastatic CRC and unresectable synchronous metastasis.Purpose Anastomotic leakage (AL) is one of the most serious complications of colorectal surgery. We investigated whether the large-calibre transanal drainage tube (LTDT) placement could reduce AL after anterior resection for rectal cancer. Methods We restrospectively analyzed 222 patients who underwent anterior resection at our institution. The patients were divided into the large-calibre transanal drainage tube (LTDT) and non-transanal drainage tube (NTDT) groups according to whether the large-calibre transanal drainage tube was placed in the operation. Clinical characteristics and postoperative complication were compared between the LTDT and NTDT groups. Results In the LTDT group, AL occurred in 0 patient, whereas it occurred in 9 patients in the NTDT group. The rate of AL was significantly lower in the LTDT group (0 vs. 6.6%; p=0.015). Eight cases of AL were treated conservatively. One case developed severe peritonitis and underwent re-operation receiving temporary stoma.No perioperative death occurred in this series.0 Comments 0 Shares 0 Views 0 Reviews
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