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Four fungal and one bacterial isolates were isolated from a liquid waste sample of Nuclear Material Authority. Those dried biomasses were screened for uranium (U) and thorium (Th) adsorption efficiency where the most potent isolate was identified according to sequence similarities and phylogenetic analysis as Aspergillus niger LBM 134. Using U or Th synthetic solutions many factors were investigated for controlling the biosorption process to conduct the optimum process conditions (the solution pH, contact time, elemental initial concentration, biomass dosage, and sorption temperature). A. niger LBM 134 dried biomass was examined ESEM-EDX and the FTIR techniques before and after the sorption process, also the data were handled by different kinetics and isothermal models. Application on the real liquid waste revealed that the bio-uptake capacities were 18.5 and 11.1 mg/g for U and Th respectively.The Generator Maintenance Schedule model is formulated mathematically as a highly constrained combinatorial optimization problem and it is obligatory to implement a suitable optimization tool to determine the best feasible maintenance schedule. The maintenance schedule obtained has to meet a number of power system constraints. There is increased research in the development of approximate solution methodologies such as heuristic and meta-heuristic techniques [1]. Unlike mathematical methods, metaheuristics can obtain an optimal solution to a complex problem fast and are not subjected to limitations such as linearity, continuity, differentiability and convexity that are faced by mathematical programs [2]. This work presents the application of Exchange Market Algorithm (EMA) to find an optimal maintenance schedule. The algorithm is customized to achieve the following•Selecting the initial population within the maintenance window constraint to enable faster convergence.•Adapt the algorithm to give discrete solutions.•Penalty function included for constraint handling.The paper proposes Bayesian analysis as an alternative approach for the conventional frequentist approach in analyzing social data. A step-by-step protocol of how to implement Bayesian multilevel model analysis with social data and how to interpret the result is presented. The article used a dataset regarding religious teachings and behaviors of lying and violence as an example. An analysis is performed using R statistical software and a bayesvl R package, which offers a network-structured model construction and visualization power to diagnose and estimate results.•The paper provides guidance for conducting a Bayesian multilevel analysis in social sciences through constructing directed acyclic graphs (DAGs, or "relationship trees") for different models, basic and more complex ones.•The method also illustrates how to visualize Bayesian diagnoses and simulated posterior.•The interpretations of visualized diagnoses and simulated posteriors of Bayesian inference are also discussed.Hepatocellular carcinoma (HCC) remains one of the most lethal malignant cancers worldwide. HCC mouse models are widely used to explore the molecular pathogenesis of HCC and to test novel drug candidates. The advantages of this mouse model are as follows•This method developed a H11LNL-****knock-in HCC mouse model by crossing H11LNL-****heterozygous **** with (albumin (Alb))-cre transgenic **** to generate c-****Alb-cre double positive ****.•The c-****Alb-cre double-positive **** exhibited a typical HCC phenotype, and showed accelerated tumor initiation and rapid HCC progression. Early stage HCC tumors (2-3 mm in diameter) were observed in male **** at the age of 47 days and in female **** at the age of 60 days.•Approximately 3 months later, the HCC tumors had progressed to a late stage (> 1 cm in diameter), and 100% of the male and female **** had HCC.Vulvar varicose veins (VVs) are seen in 4% of women, most of them secondary to pregnancy and usually regressing spontaneously. The treatment of choice during pregnancy is conservative and symptomatic. Management of vulvar varicosities in non-pregnant women consists of various techniques, including phlebectomy, endovascular embolization or surgical ligation of contributing veins, sclerotherapy and, recently, conservative treatment with the venoactive agent MPFF (micronized purified flavonoid fraction). We report an unusual case of a large hematoma of the right labium majus following bilateral vulvar phlebectomy and embolization of the left ovarian vein. The patient was a non-pregnant woman, who underwent incision and drainage of this rare complication. At follow-up almost a year after this procedure the patient reported comfort and cosmetic satisfaction regarding her vulvar symptoms. https://www.selleckchem.com/products/8-cyclopentyl-1-3-dimethylxanthine.html A multidisciplinary team approach to vulvar varicosities is important, with the involvement of gynecologists, angiologists, interventional radiologists and vascular surgeons.Introduction Ectopic pregnancy after hysterectomy is a rare event, with 72 cases being reported since 1895. Concomitant use of reliable contraception at the time of hysterectomy makes pregnancy extremely unlikely, but, as this case illustrates, does not completely rule out the possibility of post-hysterectomy ectopic pregnancy. Case A 30-year-old woman experienced a ruptured fallopian tube ectopic pregnancy four weeks after a laparoscopic-assisted vaginal hysterectomy and left salpingo-oophorectomy. At the time of her hysterectomy, a copper intrauterine device was in place. Conclusion Women with ovaries who present with abdominal or pelvic pain should be evaluated for pregnancy regardless of contraceptive use or history of hysterectomy.Medicinal plants are considered two-edged swords. They are pharmacologically beneficial and sometimes toxic when abused. The health benefit of medicinal plant is due to their abundant phytochemical endowment. The present study is aimed at evaluating the biosafety potentials of methanol extracts/fractions of Tapinanthus bangwensis (T. bangwensis) and Moringa oleifera (M. oleifera) leaves using Allium cepa (A. cepa) model. Cytotoxicity assay was carried out by A. epa model. The cytotoxicity parameters studied were number of dividing cells, percentage mitotic index (% MI), root tip growth length and chromosomal aberrations. The phytochemistry was determined by UV-spectrophotometry while 2,2-diphenyl-1-picrylhydrazine (DPPH) and nitric oxide (NO) were used to assay antioxidant activity. The A. cepa assay result showed that the inhibitory effect of M. oleifera on root tip growth length was higher compared to T. bangwensis at 60-100mg/100ml concentrations. Decreased number of dividing cells and percentage mitotic index as concentrations increased observed indicate cytotoxicity however the acetone fractions were most cytotoxic.
Four fungal and one bacterial isolates were isolated from a liquid waste sample of Nuclear Material Authority. Those dried biomasses were screened for uranium (U) and thorium (Th) adsorption efficiency where the most potent isolate was identified according to sequence similarities and phylogenetic analysis as Aspergillus niger LBM 134. Using U or Th synthetic solutions many factors were investigated for controlling the biosorption process to conduct the optimum process conditions (the solution pH, contact time, elemental initial concentration, biomass dosage, and sorption temperature). A. niger LBM 134 dried biomass was examined ESEM-EDX and the FTIR techniques before and after the sorption process, also the data were handled by different kinetics and isothermal models. Application on the real liquid waste revealed that the bio-uptake capacities were 18.5 and 11.1 mg/g for U and Th respectively.The Generator Maintenance Schedule model is formulated mathematically as a highly constrained combinatorial optimization problem and it is obligatory to implement a suitable optimization tool to determine the best feasible maintenance schedule. The maintenance schedule obtained has to meet a number of power system constraints. There is increased research in the development of approximate solution methodologies such as heuristic and meta-heuristic techniques [1]. Unlike mathematical methods, metaheuristics can obtain an optimal solution to a complex problem fast and are not subjected to limitations such as linearity, continuity, differentiability and convexity that are faced by mathematical programs [2]. This work presents the application of Exchange Market Algorithm (EMA) to find an optimal maintenance schedule. The algorithm is customized to achieve the following•Selecting the initial population within the maintenance window constraint to enable faster convergence.•Adapt the algorithm to give discrete solutions.•Penalty function included for constraint handling.The paper proposes Bayesian analysis as an alternative approach for the conventional frequentist approach in analyzing social data. A step-by-step protocol of how to implement Bayesian multilevel model analysis with social data and how to interpret the result is presented. The article used a dataset regarding religious teachings and behaviors of lying and violence as an example. An analysis is performed using R statistical software and a bayesvl R package, which offers a network-structured model construction and visualization power to diagnose and estimate results.•The paper provides guidance for conducting a Bayesian multilevel analysis in social sciences through constructing directed acyclic graphs (DAGs, or "relationship trees") for different models, basic and more complex ones.•The method also illustrates how to visualize Bayesian diagnoses and simulated posterior.•The interpretations of visualized diagnoses and simulated posteriors of Bayesian inference are also discussed.Hepatocellular carcinoma (HCC) remains one of the most lethal malignant cancers worldwide. HCC mouse models are widely used to explore the molecular pathogenesis of HCC and to test novel drug candidates. The advantages of this mouse model are as follows•This method developed a H11LNL-Myc knock-in HCC mouse model by crossing H11LNL-Myc heterozygous mice with (albumin (Alb))-cre transgenic mice to generate c-Myc/Alb-cre double positive mice.•The c-Myc/Alb-cre double-positive mice exhibited a typical HCC phenotype, and showed accelerated tumor initiation and rapid HCC progression. Early stage HCC tumors (2-3 mm in diameter) were observed in male mice at the age of 47 days and in female mice at the age of 60 days.•Approximately 3 months later, the HCC tumors had progressed to a late stage (> 1 cm in diameter), and 100% of the male and female mice had HCC.Vulvar varicose veins (VVs) are seen in 4% of women, most of them secondary to pregnancy and usually regressing spontaneously. The treatment of choice during pregnancy is conservative and symptomatic. Management of vulvar varicosities in non-pregnant women consists of various techniques, including phlebectomy, endovascular embolization or surgical ligation of contributing veins, sclerotherapy and, recently, conservative treatment with the venoactive agent MPFF (micronized purified flavonoid fraction). We report an unusual case of a large hematoma of the right labium majus following bilateral vulvar phlebectomy and embolization of the left ovarian vein. The patient was a non-pregnant woman, who underwent incision and drainage of this rare complication. At follow-up almost a year after this procedure the patient reported comfort and cosmetic satisfaction regarding her vulvar symptoms. https://www.selleckchem.com/products/8-cyclopentyl-1-3-dimethylxanthine.html A multidisciplinary team approach to vulvar varicosities is important, with the involvement of gynecologists, angiologists, interventional radiologists and vascular surgeons.Introduction Ectopic pregnancy after hysterectomy is a rare event, with 72 cases being reported since 1895. Concomitant use of reliable contraception at the time of hysterectomy makes pregnancy extremely unlikely, but, as this case illustrates, does not completely rule out the possibility of post-hysterectomy ectopic pregnancy. Case A 30-year-old woman experienced a ruptured fallopian tube ectopic pregnancy four weeks after a laparoscopic-assisted vaginal hysterectomy and left salpingo-oophorectomy. At the time of her hysterectomy, a copper intrauterine device was in place. Conclusion Women with ovaries who present with abdominal or pelvic pain should be evaluated for pregnancy regardless of contraceptive use or history of hysterectomy.Medicinal plants are considered two-edged swords. They are pharmacologically beneficial and sometimes toxic when abused. The health benefit of medicinal plant is due to their abundant phytochemical endowment. The present study is aimed at evaluating the biosafety potentials of methanol extracts/fractions of Tapinanthus bangwensis (T. bangwensis) and Moringa oleifera (M. oleifera) leaves using Allium cepa (A. cepa) model. Cytotoxicity assay was carried out by A. epa model. The cytotoxicity parameters studied were number of dividing cells, percentage mitotic index (% MI), root tip growth length and chromosomal aberrations. The phytochemistry was determined by UV-spectrophotometry while 2,2-diphenyl-1-picrylhydrazine (DPPH) and nitric oxide (NO) were used to assay antioxidant activity. The A. cepa assay result showed that the inhibitory effect of M. oleifera on root tip growth length was higher compared to T. bangwensis at 60-100mg/100ml concentrations. Decreased number of dividing cells and percentage mitotic index as concentrations increased observed indicate cytotoxicity however the acetone fractions were most cytotoxic.0 Comments 0 Shares 57 Views 0 ReviewsPlease log in to like, share and comment! -
Germinal centers (GCs) are specialized compartments within the secondary lymphoid organs where B cells proliferate, differentiate, and mutate their antibody genes in response to the presence of foreign antigens. Through the GC lifespan, interclonal competition between B cells leads to increased affinity of the B cell receptors for antigens accompanied by a loss of clonal diversity, although the mechanisms underlying clonal dynamics are not completely understood. We present here a multi-scale quantitative model of the GC reaction that integrates an intracellular component, accounting for the genetic events that shape B cell differentiation, and an extracellular stochastic component, which accounts for the random cellular interactions within the GC. In addition, B cell receptors are represented as sequences of nucleotides that mature and diversify through somatic hypermutations. We exploit extensive experimental characterizations of the GC dynamics to parameterize our model, and visualize affinity maturation by means of evolutionary phylogenetic trees. Our explicit modeling of B cell maturation enables us to characterise the evolutionary processes and competition at the heart of the GC dynamics, and explains the emergence of clonal dominance as a result of initially small stochastic advantages in the affinity to antigen. Interestingly, a subset of the GC undergoes massive expansion of higher-affinity B cell variants (clonal bursts), leading to a loss of clonal diversity at a significantly faster rate than in GCs that do not exhibit clonal dominance. Our work contributes towards an in silico vaccine design, and has implications for the better understanding of the mechanisms underlying autoimmune disease and GC-derived lymphomas.Background Cardiovascular disease (CVD) is a major public health challenge in China. This study aims to understand the processes of implementing a comprehensive intervention to reduce CVD events in areas of drug therapy, lifestyle changes, and adherence support in a clustered randomized controlled trial (cRCT). This trial consisted of 67 clusters spanning over 3 years in Zhejiang Province, China. Method A qualitative process evaluation was nested within the cRCT conducted in 9 township hospitals with 27 healthcare providers, 18 semi-structured interviews, and 23 observational studies of clinical practices within the intervention arm. https://www.selleckchem.com/products/medica16.html Results Effective and repeated trainings using an interactive approach were crucial to improve the prescribing behaviour of family doctors and their patient communication skills. However, the awareness of patients remained limited, thus compromising their use of CVD preventive drugs and adoption of healthy lifestyles. Health system factors further constrained providers' and patients' responses to the intervention. Financial barrier was a major concern because of the low coverage of health insurance. Other barriers included limited doctor-patient trust and suboptimal staff motivation. Conclusion Our study suggests the feasibility of implementing a comprehensive CVD risk reduction strategy in China's rural primary care facilities. However, health system barriers need to be addressed to ensure the success and sustainability of the intervention.Breast sonoelastography is a relatively novel ultrasound (US) method that enables estimation of tissue stiffness to estimate the elasticity of normal breast tissue and seek to correlate it with well-known breast cancer risk factors. Two hundred women of different age were included in the study and completed a questionnaire about personal, familiar, and reproductive history. Glandular and fatty tissue elasticity in all breast quadrants was measured by shear wave elastography (SWE). Mean elastographic values of breast tissue were calculated and compared to personal history risk factors. Elasticity of normal glandular tissue (66.4 kilopascals (kPa)) was higher than fatty tissue (26.1 kPa) in all breast quadrants and in both breasts. Lower outer quadrant (LOQ) had the lowest elasticity values of both parenchyma and fat. Higher elasticity values of breast tissue were confirmed in the left breast than in the right breast. Glandular and fat tissue elasticity negatively correlated with body mass index (BMI). Women with mastodynia had higher glandular elastographic values compared to subjects without breast pain. Nuliparity was also associated with higher elasticity of glandular breast tissue. The results of this study are promising and could, over time, contribute to a better understanding of glandular breast tissue elasticity as a potential risk factor for breast cancer.Circular economy comes to break the linear resource to waste economy, by introducing different strategies, two of them being using material from renewable sources and producing biodegradable products. The present work aims at developing polylactic acid (PLA), typically made from fermented plant starch, and polycaprolactone (PCL) blends, a biodegradable polyester, to study their potential to be used as substitutes of oil-based commodity plastics. For this, PLA/PCL blends were compounded in a batch and lab scale internal mixer and processed by means of injection molding. Tensile and impact characteristics were determined and compared to different thermoplastic materials, such as polypropylene, high density polyethylene, polystyrene, and others. It has been found that the incorporation of PCL into a PLA matrix can lead to materials in the range of 18.25 to 63.13 megapascals of tensile strength, 0.56 to 3.82 gigapascals of Young's modulus, 12.65 to 3.27 percent of strain at maximum strength, and 35 to 2 kJ/m2 of notched impact strength. The evolution of the tensile strength fitted the Voigt and Reuss model, while Young's modulus was successfully described by the rule of mixtures. Toughness of PLA was significantly improved with the incorporation of PCL, significantly increasing the energy required to fracture the specimens. Blends containing more than 20 wt% of PCL did not break when unnotched specimens were tested. Overall, it was found that the obtained PLA/PCL blends can constitute a strong and environmentally friendly alternative to oil-based commodity materials.
Germinal centers (GCs) are specialized compartments within the secondary lymphoid organs where B cells proliferate, differentiate, and mutate their antibody genes in response to the presence of foreign antigens. Through the GC lifespan, interclonal competition between B cells leads to increased affinity of the B cell receptors for antigens accompanied by a loss of clonal diversity, although the mechanisms underlying clonal dynamics are not completely understood. We present here a multi-scale quantitative model of the GC reaction that integrates an intracellular component, accounting for the genetic events that shape B cell differentiation, and an extracellular stochastic component, which accounts for the random cellular interactions within the GC. In addition, B cell receptors are represented as sequences of nucleotides that mature and diversify through somatic hypermutations. We exploit extensive experimental characterizations of the GC dynamics to parameterize our model, and visualize affinity maturation by means of evolutionary phylogenetic trees. Our explicit modeling of B cell maturation enables us to characterise the evolutionary processes and competition at the heart of the GC dynamics, and explains the emergence of clonal dominance as a result of initially small stochastic advantages in the affinity to antigen. Interestingly, a subset of the GC undergoes massive expansion of higher-affinity B cell variants (clonal bursts), leading to a loss of clonal diversity at a significantly faster rate than in GCs that do not exhibit clonal dominance. Our work contributes towards an in silico vaccine design, and has implications for the better understanding of the mechanisms underlying autoimmune disease and GC-derived lymphomas.Background Cardiovascular disease (CVD) is a major public health challenge in China. This study aims to understand the processes of implementing a comprehensive intervention to reduce CVD events in areas of drug therapy, lifestyle changes, and adherence support in a clustered randomized controlled trial (cRCT). This trial consisted of 67 clusters spanning over 3 years in Zhejiang Province, China. Method A qualitative process evaluation was nested within the cRCT conducted in 9 township hospitals with 27 healthcare providers, 18 semi-structured interviews, and 23 observational studies of clinical practices within the intervention arm. https://www.selleckchem.com/products/medica16.html Results Effective and repeated trainings using an interactive approach were crucial to improve the prescribing behaviour of family doctors and their patient communication skills. However, the awareness of patients remained limited, thus compromising their use of CVD preventive drugs and adoption of healthy lifestyles. Health system factors further constrained providers' and patients' responses to the intervention. Financial barrier was a major concern because of the low coverage of health insurance. Other barriers included limited doctor-patient trust and suboptimal staff motivation. Conclusion Our study suggests the feasibility of implementing a comprehensive CVD risk reduction strategy in China's rural primary care facilities. However, health system barriers need to be addressed to ensure the success and sustainability of the intervention.Breast sonoelastography is a relatively novel ultrasound (US) method that enables estimation of tissue stiffness to estimate the elasticity of normal breast tissue and seek to correlate it with well-known breast cancer risk factors. Two hundred women of different age were included in the study and completed a questionnaire about personal, familiar, and reproductive history. Glandular and fatty tissue elasticity in all breast quadrants was measured by shear wave elastography (SWE). Mean elastographic values of breast tissue were calculated and compared to personal history risk factors. Elasticity of normal glandular tissue (66.4 kilopascals (kPa)) was higher than fatty tissue (26.1 kPa) in all breast quadrants and in both breasts. Lower outer quadrant (LOQ) had the lowest elasticity values of both parenchyma and fat. Higher elasticity values of breast tissue were confirmed in the left breast than in the right breast. Glandular and fat tissue elasticity negatively correlated with body mass index (BMI). Women with mastodynia had higher glandular elastographic values compared to subjects without breast pain. Nuliparity was also associated with higher elasticity of glandular breast tissue. The results of this study are promising and could, over time, contribute to a better understanding of glandular breast tissue elasticity as a potential risk factor for breast cancer.Circular economy comes to break the linear resource to waste economy, by introducing different strategies, two of them being using material from renewable sources and producing biodegradable products. The present work aims at developing polylactic acid (PLA), typically made from fermented plant starch, and polycaprolactone (PCL) blends, a biodegradable polyester, to study their potential to be used as substitutes of oil-based commodity plastics. For this, PLA/PCL blends were compounded in a batch and lab scale internal mixer and processed by means of injection molding. Tensile and impact characteristics were determined and compared to different thermoplastic materials, such as polypropylene, high density polyethylene, polystyrene, and others. It has been found that the incorporation of PCL into a PLA matrix can lead to materials in the range of 18.25 to 63.13 megapascals of tensile strength, 0.56 to 3.82 gigapascals of Young's modulus, 12.65 to 3.27 percent of strain at maximum strength, and 35 to 2 kJ/m2 of notched impact strength. The evolution of the tensile strength fitted the Voigt and Reuss model, while Young's modulus was successfully described by the rule of mixtures. Toughness of PLA was significantly improved with the incorporation of PCL, significantly increasing the energy required to fracture the specimens. Blends containing more than 20 wt% of PCL did not break when unnotched specimens were tested. Overall, it was found that the obtained PLA/PCL blends can constitute a strong and environmentally friendly alternative to oil-based commodity materials.0 Comments 0 Shares 31 Views 0 Reviews -
ng, cleansing, and filtering stages of data processing in health services research, we envision HRADIS as a full-service data warehouse integrating frequently used data sources, processes, and methods along with a variety of data analytics and visualization tools. This paper presents the application of the iterative process model to build such a solution. It also includes a discussion on several prominent issues, lessons learned, reflections and recommendations, and future considerations, as this model was applied.Background Although online physician rating information is popular among Chinese health consumers, the limited number of reviews greatly hampers the effective usage of this information. To date, little has been discussed on the variables that influence online physician rating from the users' perspective. Objective This study aims to investigate the factors associated with the actual behavior and intention of generating online physician rating information in urban China. Methods A web-based cross-sectional survey was conducted, and the valid responses of 1371 Chinese health consumers were recorded. Using a pilot interview, we analyzed the effects of demographics, health variables, cognitive variables, and technology-related variables on online physician rating information generation. Binary multivariate logistic regression, multiple linear regression, one-way analysis of variance analyses, and independent samples t test were performed to analyze the rating behavior and the intentions of the health consumers. Ten .001) were significantly associated with the rating intention. Conclusions We showed that different factors affected the physician rating behavior and rating intention. Health-related variables influenced the physician rating behavior, while cognitive variables were critical in the rating intentions. We have proposed some practical implications for physician rating websites and physicians to promote online physician rating information generation.Background The population of Europe is aging rapidly. Most community-dwelling older adults (CDOAs) want to remain in their homes, particularly those experiencing functional decline. Politicians and academics repeatedly praise technological instruments for being the preferred solution for helping older adults with deteriorating health to remain at home. Objective This study aimed to understand the perceptions of CDOAs and their informal caregivers (ICs) and professional caregivers (PCs) about technologies that can help keep older adults at home. Methods This qualitative study used personal interviews, focus groups, and photo-elicitation interviews to better understand the perceptions of a convenience sample of 68 CDOAs, 21 ICs, and 32 PCs. Results A fraction of CDOAs did not perceive technological instruments to be a very useful means of helping them remain at home. However, the ICs and PCs were more positive. The CDOAs preferred and were more willing to adopt technologies related to their mobility and safety and those that would help slow down their cognitive decline. https://www.selleckchem.com/products/bi-3231.html The ICs preferred technological aids that assist in the activities of daily living as well as safety-related technologies for detecting falls and helping to locate disoriented older adults. The PCs preferred integrated communication and information systems to improve collaboration between all stakeholders, housing equipped with technologies to manage complex care, high-performance ancillary equipment to transfer people with reduced mobility, and surveillance systems to ensure safety at home. Conclusions Although our study reports that CDOAs have limited interest in innovative technologies to help them remain at home, their technological skills will undoubtedly improve in the future, as will those of ICs and PCs. Technological tools will play an increasingly important role in home health care.Background Technology is a potentially powerful tool to assist patients with transitions of care during and after hospitalization. Patients with low health literacy who are predisposed to poor health outcomes are particularly poised to benefit from such interventions. However, this population may lack the ability to effectively engage with technology. Although prior research studied the role of health literacy in technology access/use among outpatients, hospitalized patient populations have not been investigated in this context. Further, with the rapid uptake of technology, access may no longer be pertinent, and differences in technological capabilities may drive the current digital divide. Thus, characterizing the digital literacy of hospitalized patients across health literacy levels is paramount. Objective We sought to determine the relationship between health literacy level and technological access, use, and capability among hospitalized patients. Methods Adult inpatients completed a technology survey thaed to online capabilities rather than to technology access. When designing and implementing technological tools for hospitalized patients, it is important to ensure that patients across digital literacy levels can both understand and use them.SWI/SNF-family chromatin remodeling complexes, such as S. cerevisiae RSC, slide and eject nucleosomes to regulate transcription. Within nucleosomes, stiff DNA sequences confer spontaneous partial unwrapping, prompting whether and how SWI/SNF-family remodelers are specialized to remodel partially-unwrapped nucleosomes. RSC1 and RSC2 are orthologs of mammalian PBRM1 (polybromo) which define two separate RSC sub-complexes. Remarkably, in vitro the Rsc1-containing complex remodels partially-unwrapped nucleosomes **** better than does the Rsc2-containing complex. Moreover, a rsc1Δ mutation, but not rsc2Δ, is lethal with histone mutations that confer partial unwrapping. Rsc1/2 isoforms both cooperate with the DNA-binding proteins Rsc3/30 and the HMG protein, Hmo1, to remodel partially-unwrapped nucleosomes, but show differential reliance on these factors. Notably, genetic impairment of these factors strongly reduces the expression of genes with wide nucleosome-deficient regions (e.g., ribosomal protein genes), known to harbor partially-unwrapped nucleosomes.
ng, cleansing, and filtering stages of data processing in health services research, we envision HRADIS as a full-service data warehouse integrating frequently used data sources, processes, and methods along with a variety of data analytics and visualization tools. This paper presents the application of the iterative process model to build such a solution. It also includes a discussion on several prominent issues, lessons learned, reflections and recommendations, and future considerations, as this model was applied.Background Although online physician rating information is popular among Chinese health consumers, the limited number of reviews greatly hampers the effective usage of this information. To date, little has been discussed on the variables that influence online physician rating from the users' perspective. Objective This study aims to investigate the factors associated with the actual behavior and intention of generating online physician rating information in urban China. Methods A web-based cross-sectional survey was conducted, and the valid responses of 1371 Chinese health consumers were recorded. Using a pilot interview, we analyzed the effects of demographics, health variables, cognitive variables, and technology-related variables on online physician rating information generation. Binary multivariate logistic regression, multiple linear regression, one-way analysis of variance analyses, and independent samples t test were performed to analyze the rating behavior and the intentions of the health consumers. Ten .001) were significantly associated with the rating intention. Conclusions We showed that different factors affected the physician rating behavior and rating intention. Health-related variables influenced the physician rating behavior, while cognitive variables were critical in the rating intentions. We have proposed some practical implications for physician rating websites and physicians to promote online physician rating information generation.Background The population of Europe is aging rapidly. Most community-dwelling older adults (CDOAs) want to remain in their homes, particularly those experiencing functional decline. Politicians and academics repeatedly praise technological instruments for being the preferred solution for helping older adults with deteriorating health to remain at home. Objective This study aimed to understand the perceptions of CDOAs and their informal caregivers (ICs) and professional caregivers (PCs) about technologies that can help keep older adults at home. Methods This qualitative study used personal interviews, focus groups, and photo-elicitation interviews to better understand the perceptions of a convenience sample of 68 CDOAs, 21 ICs, and 32 PCs. Results A fraction of CDOAs did not perceive technological instruments to be a very useful means of helping them remain at home. However, the ICs and PCs were more positive. The CDOAs preferred and were more willing to adopt technologies related to their mobility and safety and those that would help slow down their cognitive decline. https://www.selleckchem.com/products/bi-3231.html The ICs preferred technological aids that assist in the activities of daily living as well as safety-related technologies for detecting falls and helping to locate disoriented older adults. The PCs preferred integrated communication and information systems to improve collaboration between all stakeholders, housing equipped with technologies to manage complex care, high-performance ancillary equipment to transfer people with reduced mobility, and surveillance systems to ensure safety at home. Conclusions Although our study reports that CDOAs have limited interest in innovative technologies to help them remain at home, their technological skills will undoubtedly improve in the future, as will those of ICs and PCs. Technological tools will play an increasingly important role in home health care.Background Technology is a potentially powerful tool to assist patients with transitions of care during and after hospitalization. Patients with low health literacy who are predisposed to poor health outcomes are particularly poised to benefit from such interventions. However, this population may lack the ability to effectively engage with technology. Although prior research studied the role of health literacy in technology access/use among outpatients, hospitalized patient populations have not been investigated in this context. Further, with the rapid uptake of technology, access may no longer be pertinent, and differences in technological capabilities may drive the current digital divide. Thus, characterizing the digital literacy of hospitalized patients across health literacy levels is paramount. Objective We sought to determine the relationship between health literacy level and technological access, use, and capability among hospitalized patients. Methods Adult inpatients completed a technology survey thaed to online capabilities rather than to technology access. When designing and implementing technological tools for hospitalized patients, it is important to ensure that patients across digital literacy levels can both understand and use them.SWI/SNF-family chromatin remodeling complexes, such as S. cerevisiae RSC, slide and eject nucleosomes to regulate transcription. Within nucleosomes, stiff DNA sequences confer spontaneous partial unwrapping, prompting whether and how SWI/SNF-family remodelers are specialized to remodel partially-unwrapped nucleosomes. RSC1 and RSC2 are orthologs of mammalian PBRM1 (polybromo) which define two separate RSC sub-complexes. Remarkably, in vitro the Rsc1-containing complex remodels partially-unwrapped nucleosomes much better than does the Rsc2-containing complex. Moreover, a rsc1Δ mutation, but not rsc2Δ, is lethal with histone mutations that confer partial unwrapping. Rsc1/2 isoforms both cooperate with the DNA-binding proteins Rsc3/30 and the HMG protein, Hmo1, to remodel partially-unwrapped nucleosomes, but show differential reliance on these factors. Notably, genetic impairment of these factors strongly reduces the expression of genes with wide nucleosome-deficient regions (e.g., ribosomal protein genes), known to harbor partially-unwrapped nucleosomes.0 Comments 0 Shares 31 Views 0 Reviews -
BACKGROUND Anterior cruciate ligament (ACL) injury is a military occupational hazard that may be attributed to an individual's knee biomechanics and joint anatomy. https://www.selleckchem.com/products/trilaciclib.html This study sought to determine if greater flexion when landing with load resulted in knee biomechanics thought to decrease ACL injury risk and whether knee biomechanics during landing relate to knee anatomic metrics. HYPOTHESIS Anatomic metrics regarding the slope and concavity of the tibial plateau will exhibit a significant relation to the increased anterior shear force on the knee and decreased knee flexion posture during landing with body-borne load. STUDY DESIGN Descriptive laboratory study. METHODS Twenty male military personnel completed a drop landing task with 3 load conditions light (~6 kg), medium (15% body weight), and heavy (30% body weight). Participants were divided into groups based on knee flexion exhibited when landing with the heavy load (high- and low-Δflexion). Tibial slopes and depth were measured on weightbearing volumetric isposed to knee forces and biomechanics that load the ACL during weighted landings. CLINICAL RELEVANCE The ability to screen individuals for anatomic metrics that predict knee flexion may identify soldiers and athletes who require additional training to mitigate the risk of lower extremity injury.BACKGROUND Treatment of the severely resorbed maxilla traditionally has been managed with such protocols as sinus elevation, bone and soft-tissue grafting, and osteotomy procedures. The use of zygomatic implants has made it possible to circumvent such procedures, allowing immediate loading of implants with fixed prostheses. OBJECTIVE This study reports the success rate of 452 zygomatic implants placed and restored in 249 patients over 5 years in a multi-center setting. Additionally, case examples are presented. METHODS The authors conducted a multi-center case series study. Inclusion criteria were ASA 1 or ASA 2, nonsmoking adults over age 30, fully or partially edentulous, with severely atrophic maxillae. These patients had zygomatic implants placed over a 5-year period with a follow-up of 5 years. The survival rate of these implants is described. RESULTS A total of 249 patients, aged 34 to 80, had 452 zygomatic implants placed. Survival rate was 95% for quad zygoma; 99.1% for unilateral zygoma with additional premaxillary implants; 98.7% for bilateral single zygoma with additional premaxillary implants; and 100% for unilateral zygoma as a distal extension in implant-supported fixed prostheses. Overall implant survival rate was 97.6%. CONCLUSION This study supports reports of zygomatic implants having a high success rate while allowing an array of ancillary procedures to be avoided. CLINICAL IMPLICATIONS The use of zygomatic implants in the atrophic maxilla has shown to be a reliable treatment option for patients selecting to not undergo advanced bone-replacing protocols.The concept of periodontal root coverage has evolved over many years. To achieve high predictability a minimally invasive approach that reduces morbidity and can provide root coverage for multiple teeth in the same surgery is needed. This article describes a novel approach that represents a progression of the latest tunneling techniques in root coverage. The somewhat unique method utilizes fewer instruments than other similar techniques and incorporates the use of platelet-rich fibrin.The management of an anterior open bite can be quite challenging and in some cases necessitate a multidisciplinary approach. In this case report, a patient presented with an anterior open bite with an ankylosed central incisor due to previous trauma. The open bite was corrected using conventional orthodontics, and the ankylosed incisor was repositioned in the correct tridimensional position using a segmental osteotomy. The repositioned bone block required 5 months of stabilization, and the prosthetic rehabilitation of the anterior maxilla was completed using lithium-disilicate crowns. At 24 months the outcome was stable with no relapse and had an excellent pink and white esthetic score.Forensic endodontics is an empirical concept that has a clinical application. By definition, forensic endodontics is the determination of the diagnosis and etiology of a patient's tooth pain and/or periradicular radiographic lesion on a tooth that has been previously endodontically treated. Forensic endodontics diverges from conventional endodontic retreatment in that the patient has no recollection of when the tooth was treated or by whom, and the clinician has no access to any past radiographs to assess the healing progression of the previous endodontic treatment. To determine the correct course of endodontic therapy, the clinician needs to make a proper pretreatment diagnosis and determine the etiology despite the absence of a treatment history. In forensic endodontic case scenarios, the retreatment options are conventional nonsurgical endodontic retreatment, surgical endodontics, or extraction. An intentional replantation surgical case is presented as a clinical example of performing forensic endodontics.Having a thorough understanding of classical esthetic principles, including basic tooth shape and form rules, is crucial for clinicians to achieve successful esthetic outcomes, even when implementing digital technologies in their dental offices. The use of advanced, cutting-edge digital tools does not negate the need to adhere to timeless fundamentals of esthetic dentistry. This article reviews key esthetic principles and describes their application in treating a challenging cosmetic case. Showcasing the use of smile design software, the case illustrates the diagnosis, planning, and clinical execution used to mask a congenitally missing lateral incisor while preserving the natural dentition on the contralateral side. The principles of symmetry and harmony are employed to create a smile in which the restorative dentistry would be imperceptible and the remaining dentition protected from structural compromise.A new type of 1-unsymmetrical D-A cyclopropanes containing a cyclic enone motif was obtained by the desymmetrization of 1-symmetrical D-A cyclopropanes via first the Lewis acid-catalyzed O-nucleophilic ring-opening reaction with 1,3-cyclodiones followed by an organobase-promoted unexpected multistep intramolecular transformation.
BACKGROUND Anterior cruciate ligament (ACL) injury is a military occupational hazard that may be attributed to an individual's knee biomechanics and joint anatomy. https://www.selleckchem.com/products/trilaciclib.html This study sought to determine if greater flexion when landing with load resulted in knee biomechanics thought to decrease ACL injury risk and whether knee biomechanics during landing relate to knee anatomic metrics. HYPOTHESIS Anatomic metrics regarding the slope and concavity of the tibial plateau will exhibit a significant relation to the increased anterior shear force on the knee and decreased knee flexion posture during landing with body-borne load. STUDY DESIGN Descriptive laboratory study. METHODS Twenty male military personnel completed a drop landing task with 3 load conditions light (~6 kg), medium (15% body weight), and heavy (30% body weight). Participants were divided into groups based on knee flexion exhibited when landing with the heavy load (high- and low-Δflexion). Tibial slopes and depth were measured on weightbearing volumetric isposed to knee forces and biomechanics that load the ACL during weighted landings. CLINICAL RELEVANCE The ability to screen individuals for anatomic metrics that predict knee flexion may identify soldiers and athletes who require additional training to mitigate the risk of lower extremity injury.BACKGROUND Treatment of the severely resorbed maxilla traditionally has been managed with such protocols as sinus elevation, bone and soft-tissue grafting, and osteotomy procedures. The use of zygomatic implants has made it possible to circumvent such procedures, allowing immediate loading of implants with fixed prostheses. OBJECTIVE This study reports the success rate of 452 zygomatic implants placed and restored in 249 patients over 5 years in a multi-center setting. Additionally, case examples are presented. METHODS The authors conducted a multi-center case series study. Inclusion criteria were ASA 1 or ASA 2, nonsmoking adults over age 30, fully or partially edentulous, with severely atrophic maxillae. These patients had zygomatic implants placed over a 5-year period with a follow-up of 5 years. The survival rate of these implants is described. RESULTS A total of 249 patients, aged 34 to 80, had 452 zygomatic implants placed. Survival rate was 95% for quad zygoma; 99.1% for unilateral zygoma with additional premaxillary implants; 98.7% for bilateral single zygoma with additional premaxillary implants; and 100% for unilateral zygoma as a distal extension in implant-supported fixed prostheses. Overall implant survival rate was 97.6%. CONCLUSION This study supports reports of zygomatic implants having a high success rate while allowing an array of ancillary procedures to be avoided. CLINICAL IMPLICATIONS The use of zygomatic implants in the atrophic maxilla has shown to be a reliable treatment option for patients selecting to not undergo advanced bone-replacing protocols.The concept of periodontal root coverage has evolved over many years. To achieve high predictability a minimally invasive approach that reduces morbidity and can provide root coverage for multiple teeth in the same surgery is needed. This article describes a novel approach that represents a progression of the latest tunneling techniques in root coverage. The somewhat unique method utilizes fewer instruments than other similar techniques and incorporates the use of platelet-rich fibrin.The management of an anterior open bite can be quite challenging and in some cases necessitate a multidisciplinary approach. In this case report, a patient presented with an anterior open bite with an ankylosed central incisor due to previous trauma. The open bite was corrected using conventional orthodontics, and the ankylosed incisor was repositioned in the correct tridimensional position using a segmental osteotomy. The repositioned bone block required 5 months of stabilization, and the prosthetic rehabilitation of the anterior maxilla was completed using lithium-disilicate crowns. At 24 months the outcome was stable with no relapse and had an excellent pink and white esthetic score.Forensic endodontics is an empirical concept that has a clinical application. By definition, forensic endodontics is the determination of the diagnosis and etiology of a patient's tooth pain and/or periradicular radiographic lesion on a tooth that has been previously endodontically treated. Forensic endodontics diverges from conventional endodontic retreatment in that the patient has no recollection of when the tooth was treated or by whom, and the clinician has no access to any past radiographs to assess the healing progression of the previous endodontic treatment. To determine the correct course of endodontic therapy, the clinician needs to make a proper pretreatment diagnosis and determine the etiology despite the absence of a treatment history. In forensic endodontic case scenarios, the retreatment options are conventional nonsurgical endodontic retreatment, surgical endodontics, or extraction. An intentional replantation surgical case is presented as a clinical example of performing forensic endodontics.Having a thorough understanding of classical esthetic principles, including basic tooth shape and form rules, is crucial for clinicians to achieve successful esthetic outcomes, even when implementing digital technologies in their dental offices. The use of advanced, cutting-edge digital tools does not negate the need to adhere to timeless fundamentals of esthetic dentistry. This article reviews key esthetic principles and describes their application in treating a challenging cosmetic case. Showcasing the use of smile design software, the case illustrates the diagnosis, planning, and clinical execution used to mask a congenitally missing lateral incisor while preserving the natural dentition on the contralateral side. The principles of symmetry and harmony are employed to create a smile in which the restorative dentistry would be imperceptible and the remaining dentition protected from structural compromise.A new type of 1-unsymmetrical D-A cyclopropanes containing a cyclic enone motif was obtained by the desymmetrization of 1-symmetrical D-A cyclopropanes via first the Lewis acid-catalyzed O-nucleophilic ring-opening reaction with 1,3-cyclodiones followed by an organobase-promoted unexpected multistep intramolecular transformation.0 Comments 0 Shares 43 Views 0 Reviews -
lmonary arrests and associated with higher mortality and fewer event-free days, making it a useful metric in these patients. CD is preceded by a long duration of abnormal vital signs, making it potentially preventable through earlier recognition. Copyright © 2020 Agulnik, Gossett, Carrillo, Kang and Morrison.Objectives To establish a radiomic algorithm based on grayscale ultrasound images and to make preoperative predictions of microvascular invasion (MVI) in hepatocellular carcinoma (HCC) patients. Methods In this retrospective study, 322 cases of histopathologically confirmed HCC lesions were included. The classifications based on preoperative grayscale ultrasound images were performed in two stages (1) classifier #1, MVI-negative and MVI-positive cases; (2) classifier #2, MVI-positive cases were further classified as M1 or M2 cases. The gross-tumoral region (GTR) and peri-tumoral region (PTR) signatures were combined to generate gross- and peri-tumoral region (GPTR) radiomic signatures. The optimal radiomic signatures were further incorporated with vital clinical information. Multivariable logistic regression was used to build radiomic models. Results Finally, 1,595 radiomic features were extracted from each HCC lesion. At the classifier #1 stage, the radiomic signatures based on features of GTR, PTR, and GPTR showed area under the curve (AUC) values of 0.708 (95% CI, 0.603-0.812), 0.710 (95% CI, 0.609-0.811), and 0.726 (95% CI, 0.625-0.827), respectively. Upon incorporation of vital clinical information, the AUC of the GPTR radiomic algorithm was 0.744 (95% CI, 0.646-0.841). At the classifier #2 stage, the AUC of the GTR radiomic signature was 0.806 (95% CI, 0.667-0.944). Conclusions Our radiomic algorithm based on grayscale ultrasound images has potential value to facilitate preoperative prediction of MVI in HCC patients. The GTR radiomic signature may be helpful for further discriminating between M1 and M2 levels among MVI-positive patients. Copyright © 2020 Dong, Zhou, Xia, Zhao, Zhang, Jian, Gao and Wang.Alterations in the extracellular matrix (ECM) likely facilitate the first steps of cancer cell metastasis and supports tumor progression. Recent data has demonstrated that alterations in collagen XVII (BP180), a transmembrane protein and structural component of the ECM, can have profound effects on cancer invasiveness. Collagen XVII is a homotrimer of three α1 (XVII) chains. Its intracellular domain contains binding sites for plectin, integrin β4, and BP230, while the extracellular domain facilitates interactions between the cell and the ECM. Collagen XVII and its shed ectodomain have been implicated in cell motility and adhesion and are believed to promote tumor development and invasion. A strong association of collagen XVII ectodomain shedding and tumor invasiveness occurs in squamous cell carcinoma (SCC). Aberrant expression of collagen XVII has been reported in many epithelial cancers, ranging from squamous cell carcinoma to colon, pancreatic, mammary, and ovarian carcinoma. Thus, in this review, we focus on collagen XVII's role in neoplasia and tumorigenesis. Lastly, we discuss the importance of targeting collagen XVII and its ectodomain shedding as a novel strategy to curb tumor growth and reduce metastatic potential. Copyright © 2020 Jones, Patel, Gibson, Cordova and Amber.Background and Objective It is unclear if stereotactic body radiation therapy (SBRT) or transarterial chemoembolization (TACE) is better for the treatment of inoperable early-stage hepatocellular carcinoma (HCC). This study aimed to retrospectively compare the efficacy of SBRT to TACE in patients with inoperable Barcelona Clinic Liver Cancer (BCLC)-A stage HCC. Materials and Methods In this multi-institutional retrospective study, a total of 326 patients with inoperable BCLC-A stage HCC were enrolled. Totally, 167 patients initially received SBRT and 159 initially received TACE. https://www.selleckchem.com/products/tj-m2010-5.html Overall survival (OS), local control (LC), intrahepatic control (IC), and progression-free survival (PFS) were evaluated in univariable and propensity-score matched analyses. Results There was a smaller median tumor size in the SBRT group than in the TACE group (3.4 cm vs. 7.2 cm, P less then 0.001). After propensity score matching in the selection of 95 patient pairs, SBRT had better LC, IC, and PFS than TACE but showed comparable effects of this novel regimen adequately. Copyright © 2020 Su, Liang, Zhou, Huang, Cheng, Qu, Chen, Xiang, Zhao, Huang, Liang and Li.Purpose To perform a multi-institutional analysis of patients with synchronous prostate and rectosigmoid cancers. Materials and Methods A retrospective review of Duke University and Durham Veterans Affairs Medical Center records was performed for men with both prostate and rectosigmoid adenocarcinomas from 1988 to 2017. Synchronous presentation was defined as symptoms, diagnosis, or treatment of both cancers within 12 months of each other. The primary study endpoint was overall survival. Univariate and multivariable Cox regression was performed. Results Among 31,883 men with prostate cancer, 330 (1%) also had rectosigmoid cancer and 54 (16%) of these were synchronous. Prostate cancer was more commonly the initial diagnosis (59%). Fifteen (28%) underwent prostatectomy or radiotherapy before an established diagnosis of rectosigmoid cancer. Stage I, II-III, or IV rectosigmoid cancer was present in 26, 57, and 17% of men, respectively. At a median follow-up of 43 months, there were 18 deaths due rectosigmoid cancer and two deaths due to prostate cancer. Crude late grade ≥3 toxicities include nine (17%) gastrointestinal and six (11%) genitourinary. Two anastomotic leaks following low anterior resection occurred in men who received a neoadjuvant radiotherapy prostate dose of 70.6-76.4 Gy. Rectosigmoid cancer stages II-III (HR 4.3, p = 0.02) and IV (HR 16, p less then 0.01) as well as stage IV prostate cancer (HR 31, p less then 0.01) were associated with overall survival on multivariable analysis. Conclusions Synchronous rectosigmoid cancer is a greater contributor to mortality than prostate cancer. Men aged ≥45 with localized prostate cancer should undergo colorectal cancer screening prior to treatment to evaluate for synchronous rectosigmoid cancer. Copyright © 2020 Jacobs, Trotter, Palta, Moravan, Wu, Willett, Lee and Czito.
lmonary arrests and associated with higher mortality and fewer event-free days, making it a useful metric in these patients. CD is preceded by a long duration of abnormal vital signs, making it potentially preventable through earlier recognition. Copyright © 2020 Agulnik, Gossett, Carrillo, Kang and Morrison.Objectives To establish a radiomic algorithm based on grayscale ultrasound images and to make preoperative predictions of microvascular invasion (MVI) in hepatocellular carcinoma (HCC) patients. Methods In this retrospective study, 322 cases of histopathologically confirmed HCC lesions were included. The classifications based on preoperative grayscale ultrasound images were performed in two stages (1) classifier #1, MVI-negative and MVI-positive cases; (2) classifier #2, MVI-positive cases were further classified as M1 or M2 cases. The gross-tumoral region (GTR) and peri-tumoral region (PTR) signatures were combined to generate gross- and peri-tumoral region (GPTR) radiomic signatures. The optimal radiomic signatures were further incorporated with vital clinical information. Multivariable logistic regression was used to build radiomic models. Results Finally, 1,595 radiomic features were extracted from each HCC lesion. At the classifier #1 stage, the radiomic signatures based on features of GTR, PTR, and GPTR showed area under the curve (AUC) values of 0.708 (95% CI, 0.603-0.812), 0.710 (95% CI, 0.609-0.811), and 0.726 (95% CI, 0.625-0.827), respectively. Upon incorporation of vital clinical information, the AUC of the GPTR radiomic algorithm was 0.744 (95% CI, 0.646-0.841). At the classifier #2 stage, the AUC of the GTR radiomic signature was 0.806 (95% CI, 0.667-0.944). Conclusions Our radiomic algorithm based on grayscale ultrasound images has potential value to facilitate preoperative prediction of MVI in HCC patients. The GTR radiomic signature may be helpful for further discriminating between M1 and M2 levels among MVI-positive patients. Copyright © 2020 Dong, Zhou, Xia, Zhao, Zhang, Jian, Gao and Wang.Alterations in the extracellular matrix (ECM) likely facilitate the first steps of cancer cell metastasis and supports tumor progression. Recent data has demonstrated that alterations in collagen XVII (BP180), a transmembrane protein and structural component of the ECM, can have profound effects on cancer invasiveness. Collagen XVII is a homotrimer of three α1 (XVII) chains. Its intracellular domain contains binding sites for plectin, integrin β4, and BP230, while the extracellular domain facilitates interactions between the cell and the ECM. Collagen XVII and its shed ectodomain have been implicated in cell motility and adhesion and are believed to promote tumor development and invasion. A strong association of collagen XVII ectodomain shedding and tumor invasiveness occurs in squamous cell carcinoma (SCC). Aberrant expression of collagen XVII has been reported in many epithelial cancers, ranging from squamous cell carcinoma to colon, pancreatic, mammary, and ovarian carcinoma. Thus, in this review, we focus on collagen XVII's role in neoplasia and tumorigenesis. Lastly, we discuss the importance of targeting collagen XVII and its ectodomain shedding as a novel strategy to curb tumor growth and reduce metastatic potential. Copyright © 2020 Jones, Patel, Gibson, Cordova and Amber.Background and Objective It is unclear if stereotactic body radiation therapy (SBRT) or transarterial chemoembolization (TACE) is better for the treatment of inoperable early-stage hepatocellular carcinoma (HCC). This study aimed to retrospectively compare the efficacy of SBRT to TACE in patients with inoperable Barcelona Clinic Liver Cancer (BCLC)-A stage HCC. Materials and Methods In this multi-institutional retrospective study, a total of 326 patients with inoperable BCLC-A stage HCC were enrolled. Totally, 167 patients initially received SBRT and 159 initially received TACE. https://www.selleckchem.com/products/tj-m2010-5.html Overall survival (OS), local control (LC), intrahepatic control (IC), and progression-free survival (PFS) were evaluated in univariable and propensity-score matched analyses. Results There was a smaller median tumor size in the SBRT group than in the TACE group (3.4 cm vs. 7.2 cm, P less then 0.001). After propensity score matching in the selection of 95 patient pairs, SBRT had better LC, IC, and PFS than TACE but showed comparable effects of this novel regimen adequately. Copyright © 2020 Su, Liang, Zhou, Huang, Cheng, Qu, Chen, Xiang, Zhao, Huang, Liang and Li.Purpose To perform a multi-institutional analysis of patients with synchronous prostate and rectosigmoid cancers. Materials and Methods A retrospective review of Duke University and Durham Veterans Affairs Medical Center records was performed for men with both prostate and rectosigmoid adenocarcinomas from 1988 to 2017. Synchronous presentation was defined as symptoms, diagnosis, or treatment of both cancers within 12 months of each other. The primary study endpoint was overall survival. Univariate and multivariable Cox regression was performed. Results Among 31,883 men with prostate cancer, 330 (1%) also had rectosigmoid cancer and 54 (16%) of these were synchronous. Prostate cancer was more commonly the initial diagnosis (59%). Fifteen (28%) underwent prostatectomy or radiotherapy before an established diagnosis of rectosigmoid cancer. Stage I, II-III, or IV rectosigmoid cancer was present in 26, 57, and 17% of men, respectively. At a median follow-up of 43 months, there were 18 deaths due rectosigmoid cancer and two deaths due to prostate cancer. Crude late grade ≥3 toxicities include nine (17%) gastrointestinal and six (11%) genitourinary. Two anastomotic leaks following low anterior resection occurred in men who received a neoadjuvant radiotherapy prostate dose of 70.6-76.4 Gy. Rectosigmoid cancer stages II-III (HR 4.3, p = 0.02) and IV (HR 16, p less then 0.01) as well as stage IV prostate cancer (HR 31, p less then 0.01) were associated with overall survival on multivariable analysis. Conclusions Synchronous rectosigmoid cancer is a greater contributor to mortality than prostate cancer. Men aged ≥45 with localized prostate cancer should undergo colorectal cancer screening prior to treatment to evaluate for synchronous rectosigmoid cancer. Copyright © 2020 Jacobs, Trotter, Palta, Moravan, Wu, Willett, Lee and Czito.0 Comments 0 Shares 30 Views 0 Reviews -
Copyright 2020 Biolife Sas. www.biolifesas.org.In recent years, minimally invasive surgeries have been undergoing a revolution with the development of robotic assisted surgery. Due to the anatomical region in which many operations are carried out, in small spaces through natural orifices in the body such as the mouth, the nose or the ear, as well as the esthetic discomfort caused by external scars in the head and neck, the use of robotic assisted surgery in the field of head and neck surgery is gaining momentum and is being implemented more and more in Israel and around the globe. Most of the operations currently performed in otolaryngology are carried out through the oral cavity or through distant and camouflaged skin cuts. In this article we will review the new applications and technologies in the field of surgical robotics in otolaryngology - head and neck surgeries, as well as summarize the experience of the Department of Otorhinolaryngology and Head and Neck Surgery at the Rabin Medical Center in robot assisted surgeries.Head and neck cancer is the sixth most common malignancy worldwide. Along with other "classical" risk factors such as tobacco and alcohol use, the human papillomavirus (HPV) is well established to play a pivotal role in the development of head and neck cancers, particularly in oropharyngeal cancer (OPC). While head and neck cancer incidence decline worldwide, OPC is on the rise. The incidence of HPV-positive oropharyngeal carcinoma predominantly increased in younger, married male patients with higher socioeconomic status and with high-risk sexual practices. https://www.selleckchem.com/products/5-cholesten-3beta-ol-7-one.html This OPC subtype is characterized by limited local tumor with a substantially larger regional nodal disease. However, HPV-positive OPC patients exhibited a significantly better prognosis than patients with HPV-negative OPC, leading to a recent change in the clinical guidelines. The current non-surgical standard of care for OPC results in excellent disease control, though associated with substantial toxicity. Numerous studies now focus on less intensive (i.e., deintensified) treatment for the improvement of patient safety while maintaining excellent disease control. Furthermore, the recent development of more advanced surgical techniques with promising outcomes may shift the therapeutic paradigm **** to the operating room. During the past decade, there is widespread use of HPV vaccination, and lately, it was also approved for boys. However, the preventive effects of the HPV vaccine on head and neck cancers, particularly on OPC is yet to be determined.The American Joint Committee on Cancer (AJCC) staging manual has become the point of reference for classifying patients with cancer, defining prognosis, and determining the best treatment approaches. The eighth edition of the Head and Neck AJCC Cancer Staging Manual incorporates significant changes based on advances in our understanding of the etiology and certain histologic attributes of tumors. Changes were made only when there was strong evidence for inclusion, while balancing between "population-based" and a more "personalized" approach. We describe the main changes implanted into the AJCC 8th edition while analyzing the effects on treatment plans and survival metrics. 1. The most significant update, to better reflect the variety of diseases arising in the pharynx, creates a separate staging algorithm for high-risk human papillomavirus-associated cancer of the oropharynx. Therefore, pharynx carcinoma has been divided into 3 separate chapters - nasopharynx, high-risk HPV-associated (p16-positive) oropharynx, and hypopharynx and non-high risk HPV-associated (p16-negative) oropharynx. 2. Another important update incorporates extra nodal extension as a prognostic variable for regional lymph node metastases in non-viral associated head and neck tumors. 3. Significant changes to the tumor (T) categories for oral cavity are discussed, where, for every 5-mm increase in depth of invasion (DOI), categories will increase one level, demonstrating better consistent and predictive survival curves. 4. A major tumor (T) category change for nasopharyngeal squamous cell carcinoma (SCC), regarding the prevertebral and pterygoid muscles, is discussed. We go through the rationale behind the major changes while practicing the new staging system among different cases.Surgeon performed ultrasound (SUS) has become a valuable tool for the head and neck/endocrine surgeon. It allows for a complementary examination of the neck, following history and physical examination. With its reduced costs and being radiation free, US has become the modality of choice for imaging thyroid, parathyroid and lymph nodes of the neck. In thyroid cancer, the role of US has constantly grown, as reflected in the latest American Thyroid Association (ATA) guidelines The shift from whole body iodine scans to US has allowed for surveillance in low risk patients who underwent thyroidectomy, follow-up of microcarcinomas, and has a key role in the assessment of a thyroid nodule following initial aspiration. However, US is still limited by operator dependent inherent flaws, which are reflected by a relatively moderate inter-observer agreement, even among experts. When conducted by the same surgeon, SUS allows the patients to enjoy the benefits of US while overcoming this limitation. When compared to radiologist-performed US, several studies have shown that high volume surgeons can reach non-inferior predicative values for malignant nodules, using accepted suspicious sonographic features such as solid texture, hypoechogenicity, microcalcifications, irregular margins and taller rather than wider shape. Several studies have tried to answer the most important utility of SUS - its ability to change the course of management of the cases. In all studies SUS was able to change the management of the cases in 17-45% of the patients, extending surgery in some patients while avoiding unnecessary dissections in others. In summary, SUS is an important, feasible tool for the head and neck and endocrine surgeons. Studies have shown that high volume surgeons can reach excellent rates of prediction and detection, thus saving the patients unnecessary clinic visits, tension and additional imaging, and can even directly influence the management of the patients.
Copyright 2020 Biolife Sas. www.biolifesas.org.In recent years, minimally invasive surgeries have been undergoing a revolution with the development of robotic assisted surgery. Due to the anatomical region in which many operations are carried out, in small spaces through natural orifices in the body such as the mouth, the nose or the ear, as well as the esthetic discomfort caused by external scars in the head and neck, the use of robotic assisted surgery in the field of head and neck surgery is gaining momentum and is being implemented more and more in Israel and around the globe. Most of the operations currently performed in otolaryngology are carried out through the oral cavity or through distant and camouflaged skin cuts. In this article we will review the new applications and technologies in the field of surgical robotics in otolaryngology - head and neck surgeries, as well as summarize the experience of the Department of Otorhinolaryngology and Head and Neck Surgery at the Rabin Medical Center in robot assisted surgeries.Head and neck cancer is the sixth most common malignancy worldwide. Along with other "classical" risk factors such as tobacco and alcohol use, the human papillomavirus (HPV) is well established to play a pivotal role in the development of head and neck cancers, particularly in oropharyngeal cancer (OPC). While head and neck cancer incidence decline worldwide, OPC is on the rise. The incidence of HPV-positive oropharyngeal carcinoma predominantly increased in younger, married male patients with higher socioeconomic status and with high-risk sexual practices. https://www.selleckchem.com/products/5-cholesten-3beta-ol-7-one.html This OPC subtype is characterized by limited local tumor with a substantially larger regional nodal disease. However, HPV-positive OPC patients exhibited a significantly better prognosis than patients with HPV-negative OPC, leading to a recent change in the clinical guidelines. The current non-surgical standard of care for OPC results in excellent disease control, though associated with substantial toxicity. Numerous studies now focus on less intensive (i.e., deintensified) treatment for the improvement of patient safety while maintaining excellent disease control. Furthermore, the recent development of more advanced surgical techniques with promising outcomes may shift the therapeutic paradigm back to the operating room. During the past decade, there is widespread use of HPV vaccination, and lately, it was also approved for boys. However, the preventive effects of the HPV vaccine on head and neck cancers, particularly on OPC is yet to be determined.The American Joint Committee on Cancer (AJCC) staging manual has become the point of reference for classifying patients with cancer, defining prognosis, and determining the best treatment approaches. The eighth edition of the Head and Neck AJCC Cancer Staging Manual incorporates significant changes based on advances in our understanding of the etiology and certain histologic attributes of tumors. Changes were made only when there was strong evidence for inclusion, while balancing between "population-based" and a more "personalized" approach. We describe the main changes implanted into the AJCC 8th edition while analyzing the effects on treatment plans and survival metrics. 1. The most significant update, to better reflect the variety of diseases arising in the pharynx, creates a separate staging algorithm for high-risk human papillomavirus-associated cancer of the oropharynx. Therefore, pharynx carcinoma has been divided into 3 separate chapters - nasopharynx, high-risk HPV-associated (p16-positive) oropharynx, and hypopharynx and non-high risk HPV-associated (p16-negative) oropharynx. 2. Another important update incorporates extra nodal extension as a prognostic variable for regional lymph node metastases in non-viral associated head and neck tumors. 3. Significant changes to the tumor (T) categories for oral cavity are discussed, where, for every 5-mm increase in depth of invasion (DOI), categories will increase one level, demonstrating better consistent and predictive survival curves. 4. A major tumor (T) category change for nasopharyngeal squamous cell carcinoma (SCC), regarding the prevertebral and pterygoid muscles, is discussed. We go through the rationale behind the major changes while practicing the new staging system among different cases.Surgeon performed ultrasound (SUS) has become a valuable tool for the head and neck/endocrine surgeon. It allows for a complementary examination of the neck, following history and physical examination. With its reduced costs and being radiation free, US has become the modality of choice for imaging thyroid, parathyroid and lymph nodes of the neck. In thyroid cancer, the role of US has constantly grown, as reflected in the latest American Thyroid Association (ATA) guidelines The shift from whole body iodine scans to US has allowed for surveillance in low risk patients who underwent thyroidectomy, follow-up of microcarcinomas, and has a key role in the assessment of a thyroid nodule following initial aspiration. However, US is still limited by operator dependent inherent flaws, which are reflected by a relatively moderate inter-observer agreement, even among experts. When conducted by the same surgeon, SUS allows the patients to enjoy the benefits of US while overcoming this limitation. When compared to radiologist-performed US, several studies have shown that high volume surgeons can reach non-inferior predicative values for malignant nodules, using accepted suspicious sonographic features such as solid texture, hypoechogenicity, microcalcifications, irregular margins and taller rather than wider shape. Several studies have tried to answer the most important utility of SUS - its ability to change the course of management of the cases. In all studies SUS was able to change the management of the cases in 17-45% of the patients, extending surgery in some patients while avoiding unnecessary dissections in others. In summary, SUS is an important, feasible tool for the head and neck and endocrine surgeons. Studies have shown that high volume surgeons can reach excellent rates of prediction and detection, thus saving the patients unnecessary clinic visits, tension and additional imaging, and can even directly influence the management of the patients.0 Comments 0 Shares 32 Views 0 Reviews -
We start by considering common basic assumptions emerging from various spiritual traditions and continue with a suggestion that CSs be seen as various pathways from duality to non-duality and by illustrating ways in which spirituality can be understood and practiced by the use of CSs.Objectives This paper introduces a new diagnostically oriented screening scale for anxiety disorders, the Center for Epidemiologic Studies Anxiety scale (CESA), designed in parallel to the revised Center for Epidemiologic Studies Depression scale (CESD-R). In this study, the CESA was used as a diagnostic screening tool for detecting the presence of anxiety disorder symptomatology ascertained by a clinical psychiatric evaluation based on the DSM-5 criteria. The CESA is designed to provide an overall evaluation of anxiety as well as to screen for four important anxiety disorders (agoraphobia, social phobia, blood-illness phobia, and panic disorder). Methods The test sample was composed of 80 adults seeking treatment for mental problems in a general psychiatric clinic. We assessed the receiver operating characteristic (ROC) curve of the CESA in comparison to the psychiatric interview. Results The main findings suggest that the CESA is useful for screening for anxiety in general (alpha coefficient of 0.83), as well as for the four common anxiety disorders. The criterion validation confirmed a high level of compatibility between the CESA and the psychiatric evaluation. Conclusion This is the initial report regarding the CESA and future research will focus on specific aspects of criterion validity for each disorder.Perceived social support (PSS) has been shown to be positively related to self-reported quality of life (QoL) as well as to emotion regulation strategy. In the present study, we compared a QoL index between Chinese fishermen (N = 507) and local villagers (N = 192) and examined whether PSS moderates the relationship between emotion regulation and QoL in our sample of Chinese ocean-going fishermen. https://www.selleckchem.com/products/dimethindene-maleate.html Fishermen's QoL was found to be poorer than that of local villagers. Structural equation modeling (SEM) confirmed that cognitive reappraisal of emotion regulation had a positive predictive effect on QoL, while expression suppression of emotion regulation had a negative predictive effect on QoL. Using, latent moderated structural equations (LMS), we further confirmed that PSS moderates the relationship between emotion regulation and QoL. Simple slope analysis revealed that emotional regulation can predict QoL in a high-PSS context but not in a low-PSS context.Objective Based on the theory of perceived organizational support (POS), conservation of resource (COR) and job demands-resources (JD-R) model, this study establishes a moderated mediation model to test the role of job satisfaction in mediating the relationship between POS and job burnout, as well as the role of regulatory emotional self-efficacy (RES) in moderating the above mediating process. Methods A total of 784 police officers were surveyed with the POS Scale, the Job Burnout Questionnaire, the RES Scale, and the Minnesota Job Satisfaction Questionnaire. Results (1) After controlling for gender, seniority, age, police classification, education, and marital status, regression analysis showed a significant negative correlation between POS and burnout (r = -0.42, p less then 0.01), and the former had a significant negative predictive effect on job burnout (β = -0.42, p less then 0.001). (2) The mediating effect test shows that job satisfaction plays a partial role in mediating the relationship between POS and job burnout. (3) Through the analysis of the moderated mediation model test, RES moderates the first half of the path of "POS → job satisfaction → job burnout." Conclusion POS not only directly affects police job burnout but also indirectly affects police job burnout through job satisfaction. RES enhances the influence of organizational support on job satisfaction. This study indicates the combined effect of POS, job satisfaction, and RES on job burnout and has certain guiding significance for alleviating police job burnout.Emotional regulation, understood as the skills and strategies needed to influence and/or modify the emotional experiences, has a very remarkable implication within numerous emotional and behavioral disorders in childhood and adolescence. In recent years there has been a significant increase in research on emotional regulation, however, the results are still divergent in terms of differences in emotional regulation in relation to age and gender. This study aimed to assess emotional regulation in adolescents in relation to their age and gender. Two hundred and fifty-four adolescents from eight schools in the Valencian Community and aged between 9 and 16 years participated in the study. The adolescents completed the Cognitive Emotion Regulation Questionnaire and the FEEL-KJ questionnaire. We analyzed the differences in emotional regulation strategies and a latent emotional regulation variable in two age groups (9-12 years and 13-16 years) and by gender. The results suggested that children and pre-adolescents in the 9-12 year group obtained lower scores in the emotional regulation strategies than the 13-16 year group. Girls reported higher scores on the use of emotional regulation strategies when experiencing sadness, anxiety and anger than boys, and on the overall average of regulation according to these specific emotions. Age, but not gender, had a major effect on scores for the latent variable of emotion regulation. An interaction effect between age and gender was identified in the latent emotion regulation scores. Girls tended to have higher scores than boys when they were younger and lower scores than boys when they were older. These results could be relevant for designing prevention and intervention programs for adolescents and at different ages.A great deal of research has been performed with the promise of improving such critical cognitive functions as working memory (WM), with transcranial direct current stimulation (tDCS), a well-tolerated, inexpensive, easy-to-use intervention. Under the assumption that by delivering currents through electrodes placed in suitable locations on the scalp, it is possible to increase prefrontal cortex excitability and therefore improve WM. A growing number of studies have led to mixed results, leading to the realization that such oversimplified assumptions need revision. Models spanning currents to behavior have been advocated in order to reconcile and inform neurostimulation investigations. We articulate such multilevel exploration to tDCS/WM by briefly reviewing critical aspects at each level of analysis but focusing on the circuit level and how available biophysical WM models could inform tDCS. Indeed, such models should replace vague reference to cortical excitability changes with relevant tDCS net effects affecting neural computation and behavior in a more predictable manner.
We start by considering common basic assumptions emerging from various spiritual traditions and continue with a suggestion that CSs be seen as various pathways from duality to non-duality and by illustrating ways in which spirituality can be understood and practiced by the use of CSs.Objectives This paper introduces a new diagnostically oriented screening scale for anxiety disorders, the Center for Epidemiologic Studies Anxiety scale (CESA), designed in parallel to the revised Center for Epidemiologic Studies Depression scale (CESD-R). In this study, the CESA was used as a diagnostic screening tool for detecting the presence of anxiety disorder symptomatology ascertained by a clinical psychiatric evaluation based on the DSM-5 criteria. The CESA is designed to provide an overall evaluation of anxiety as well as to screen for four important anxiety disorders (agoraphobia, social phobia, blood-illness phobia, and panic disorder). Methods The test sample was composed of 80 adults seeking treatment for mental problems in a general psychiatric clinic. We assessed the receiver operating characteristic (ROC) curve of the CESA in comparison to the psychiatric interview. Results The main findings suggest that the CESA is useful for screening for anxiety in general (alpha coefficient of 0.83), as well as for the four common anxiety disorders. The criterion validation confirmed a high level of compatibility between the CESA and the psychiatric evaluation. Conclusion This is the initial report regarding the CESA and future research will focus on specific aspects of criterion validity for each disorder.Perceived social support (PSS) has been shown to be positively related to self-reported quality of life (QoL) as well as to emotion regulation strategy. In the present study, we compared a QoL index between Chinese fishermen (N = 507) and local villagers (N = 192) and examined whether PSS moderates the relationship between emotion regulation and QoL in our sample of Chinese ocean-going fishermen. https://www.selleckchem.com/products/dimethindene-maleate.html Fishermen's QoL was found to be poorer than that of local villagers. Structural equation modeling (SEM) confirmed that cognitive reappraisal of emotion regulation had a positive predictive effect on QoL, while expression suppression of emotion regulation had a negative predictive effect on QoL. Using, latent moderated structural equations (LMS), we further confirmed that PSS moderates the relationship between emotion regulation and QoL. Simple slope analysis revealed that emotional regulation can predict QoL in a high-PSS context but not in a low-PSS context.Objective Based on the theory of perceived organizational support (POS), conservation of resource (COR) and job demands-resources (JD-R) model, this study establishes a moderated mediation model to test the role of job satisfaction in mediating the relationship between POS and job burnout, as well as the role of regulatory emotional self-efficacy (RES) in moderating the above mediating process. Methods A total of 784 police officers were surveyed with the POS Scale, the Job Burnout Questionnaire, the RES Scale, and the Minnesota Job Satisfaction Questionnaire. Results (1) After controlling for gender, seniority, age, police classification, education, and marital status, regression analysis showed a significant negative correlation between POS and burnout (r = -0.42, p less then 0.01), and the former had a significant negative predictive effect on job burnout (β = -0.42, p less then 0.001). (2) The mediating effect test shows that job satisfaction plays a partial role in mediating the relationship between POS and job burnout. (3) Through the analysis of the moderated mediation model test, RES moderates the first half of the path of "POS → job satisfaction → job burnout." Conclusion POS not only directly affects police job burnout but also indirectly affects police job burnout through job satisfaction. RES enhances the influence of organizational support on job satisfaction. This study indicates the combined effect of POS, job satisfaction, and RES on job burnout and has certain guiding significance for alleviating police job burnout.Emotional regulation, understood as the skills and strategies needed to influence and/or modify the emotional experiences, has a very remarkable implication within numerous emotional and behavioral disorders in childhood and adolescence. In recent years there has been a significant increase in research on emotional regulation, however, the results are still divergent in terms of differences in emotional regulation in relation to age and gender. This study aimed to assess emotional regulation in adolescents in relation to their age and gender. Two hundred and fifty-four adolescents from eight schools in the Valencian Community and aged between 9 and 16 years participated in the study. The adolescents completed the Cognitive Emotion Regulation Questionnaire and the FEEL-KJ questionnaire. We analyzed the differences in emotional regulation strategies and a latent emotional regulation variable in two age groups (9-12 years and 13-16 years) and by gender. The results suggested that children and pre-adolescents in the 9-12 year group obtained lower scores in the emotional regulation strategies than the 13-16 year group. Girls reported higher scores on the use of emotional regulation strategies when experiencing sadness, anxiety and anger than boys, and on the overall average of regulation according to these specific emotions. Age, but not gender, had a major effect on scores for the latent variable of emotion regulation. An interaction effect between age and gender was identified in the latent emotion regulation scores. Girls tended to have higher scores than boys when they were younger and lower scores than boys when they were older. These results could be relevant for designing prevention and intervention programs for adolescents and at different ages.A great deal of research has been performed with the promise of improving such critical cognitive functions as working memory (WM), with transcranial direct current stimulation (tDCS), a well-tolerated, inexpensive, easy-to-use intervention. Under the assumption that by delivering currents through electrodes placed in suitable locations on the scalp, it is possible to increase prefrontal cortex excitability and therefore improve WM. A growing number of studies have led to mixed results, leading to the realization that such oversimplified assumptions need revision. Models spanning currents to behavior have been advocated in order to reconcile and inform neurostimulation investigations. We articulate such multilevel exploration to tDCS/WM by briefly reviewing critical aspects at each level of analysis but focusing on the circuit level and how available biophysical WM models could inform tDCS. Indeed, such models should replace vague reference to cortical excitability changes with relevant tDCS net effects affecting neural computation and behavior in a more predictable manner.0 Comments 0 Shares 38 Views 0 Reviews -
Background The glucose metabolism of cancer cells differs from that of noncancerous cells. Transketolase-like protein 1 (TKTL1) and glucose transporter 1 (GLUT1) both play a role in this process. These biochemical tumor markers are overexpressed in several types of human cancer. Objective We sought to determine if TKTL1 and/or GLUT1 expression predicts prognosis in gastric cancer. Methods In this retrospective study, we selected 284 patients who underwent surgery for gastric cancer at the Helsinki University Hospital. https://www.selleckchem.com/products/dl-thiorphan.html We used immunohistochemistry to assess the expression of TKTL1 and GLUT1, combined with clinicopathological data. Results Positive expression of TKTL1 was associated with positive expression of GLUT1, age over 65 years, male gender, advanced stage (II-IV), and advanced tumors (T2-T4). Patients with a positive expression of TKTL1 had a poorer prognosis than those with no expression (p = 0.042, Breslow test). GLUT1 positivity was associated with higher age and with the intestinal type of gastric cancer but did not carry any prognostic value. Conclusion In conclusion, our study showed that positive expression of TKTL1 correlates with a poor prognosis in gastric cancer.In this paper, we describe the application of the 4D biofabrication approach for the fabrication of artificial nerve graft. Bilayer scaffolds consisting of uniaxially aligned polycaprolactone-poly(glycerol sebacate) (PCL-PGS) and randomly aligned methacrylated hyaluronic acid (HA-MA) fibers were fabricated using electrospinning and further used for the culture of PC-12 neuron cells. Tubular structures form instantly after immersion of fibrous bilayer in an aqueous buffer and the diameter of obtained tubes can be controlled by changing bilayer parameters such as the thickness of each layer, overall bilayer thickness, and medium counterion concentration. Designed scaffolds showed a self-folded scroll-like structure with high stability after four weeks of real-time degradation. The significance of this research is in the fabrication of a tuneable tubular nerve guide conduits that can simplify the current existing clinical treatment of neural injuries.Radiation chemists have been routinely using high-dose microsecond-pulsed irradiation for almost 60 years, involving many thousands of studies, in the technique of "pulse radiolysis". This involves dose rates broadly similar to the FLASH regimen now attracting interest in radiotherapy and radiobiology. Using the experience gained from radiation chemistry, two scenarios are examined here that may provide a mechanistic basis for any differential response in normal tissues versus tumors in FLASH radiotherapy. These are 1. possible depletion of a chemical critical to the response to radiation, and 2. radical-radical reactions as a possible cause of effects occurring mainly with high-intensity pulsed radiation. The evidence for changes in relative levels of so-called "reactive oxygen species" produced after irradiation using FLASH versus conventional irradiation modalities is also examined.Introduction Metastatic breast cancer has poor prognosis due to limited therapeutic options. Protein kinase dysregulations have a major role in breast cancer progression and metastasis. In this study, we investigated the anti-cancer activity of sorafenib, a multikinase inhibitor, which targets receptor tyrosine kinases in breast cancer. Although treatment with sorafenib has increased the patient survival and inhibited metastatic migration in hepatocellular carcinoma, its role in breast cancer migration, metastasis, and intracellular signaling modulation is unknown. Methods Breast cancer cell lines MCF7 and MDA-MB-231 were treated with sorafenib and its effect on proliferation, migration, invasion and gene expression was analyzed. Results We found that sorafenib has an anti-proliferative and cytotoxic effect on breast cancer cells. Importantly, sorafenib inhibited the migration and invasion of breast cancer cells in vitro. Mechanistically, sorafenib increased mitochondrial superoxide production, suppressed breast cancer stem cell self-renewal, inhibited epithelial mesenchymal transition and ERK signaling. Conclusion Thus, sorafenib has anti-cancer activity against breast cancer cells and could improve the survival of breast cancer patients by inhibiting their invasive and metastatic properties.Recently, organic dyes with aggregation-induced emission (AIE) have attracted **** attention in bioimaging and diagnostics. Relatively, the application of traditional dyes has diminished because of aggregation-caused quenching (ACQ). In this work, we compare the imaging ability of nanoparticle formulations of these two kinds of dyes. Boron dipyrromethene (BODIPY) was chosen as a representative of the ACQ dyes, and an aggregation-induced emission (AIE) dye BPMT was used for comparison. BODIPY and BPMT were entrapped into PEG5k-PLA10k to form BODIPY-loaded NPs (BNPs) and BPMT-loaded NPs (ANPs), respectively. In vivo and ex vivo imaging demonstrated that BNP1 with ultralow BODIPY load (0.07%) can effectively accumulate in tumor tissues and enable long-term noninvasive imaging. In contrast, ANP4 with high BPMT load (1.6%) has poor bioimaging ability. In general, our work has certain reference significance for the application of ACQ dyes and AIEgens in bioimaging, diagnostics, and theranostics.Pulmonary typical carcinoid (TC) is a low-grade, rare lung cancer of neuroendocrine origin. Currently, there is very little information available about the immune cell composition in TC tumors. Here, we analyzed by flow cytometry resected tumors from four never-smoker female patients with TC. Twelve distinct immune cell types were identified in TC tumors. The most abundant immune cells were CD8+ T cells, CD4+ T cells, B cells, and macrophages, which represented 19.8%, 17.7%, 11.5%, and 11% of all tumor-infiltrating CD45+ leukocytes, respectively. Natural killer (NK) cells (8.9%) and neutrophils (3.9%) were also common. Three types of dendritic cells (DCs) were identified (plasmacytoid DCs, CD1c+ DCs, and CD141+ DCs) which together constituted 1.4% of all immune cells in TC tumors. Small populations of basophils (1.3%), mast cells (0.8%), and eosinophils (0.6%) were also present. Notably, the percentage of leukocytes (of all living cells) was **** lower in TC tumors compared to high-grade non-small cell lung cancer (NSCLC) tumors, and also compared to non-cancerous lung tissue.
Background The glucose metabolism of cancer cells differs from that of noncancerous cells. Transketolase-like protein 1 (TKTL1) and glucose transporter 1 (GLUT1) both play a role in this process. These biochemical tumor markers are overexpressed in several types of human cancer. Objective We sought to determine if TKTL1 and/or GLUT1 expression predicts prognosis in gastric cancer. Methods In this retrospective study, we selected 284 patients who underwent surgery for gastric cancer at the Helsinki University Hospital. https://www.selleckchem.com/products/dl-thiorphan.html We used immunohistochemistry to assess the expression of TKTL1 and GLUT1, combined with clinicopathological data. Results Positive expression of TKTL1 was associated with positive expression of GLUT1, age over 65 years, male gender, advanced stage (II-IV), and advanced tumors (T2-T4). Patients with a positive expression of TKTL1 had a poorer prognosis than those with no expression (p = 0.042, Breslow test). GLUT1 positivity was associated with higher age and with the intestinal type of gastric cancer but did not carry any prognostic value. Conclusion In conclusion, our study showed that positive expression of TKTL1 correlates with a poor prognosis in gastric cancer.In this paper, we describe the application of the 4D biofabrication approach for the fabrication of artificial nerve graft. Bilayer scaffolds consisting of uniaxially aligned polycaprolactone-poly(glycerol sebacate) (PCL-PGS) and randomly aligned methacrylated hyaluronic acid (HA-MA) fibers were fabricated using electrospinning and further used for the culture of PC-12 neuron cells. Tubular structures form instantly after immersion of fibrous bilayer in an aqueous buffer and the diameter of obtained tubes can be controlled by changing bilayer parameters such as the thickness of each layer, overall bilayer thickness, and medium counterion concentration. Designed scaffolds showed a self-folded scroll-like structure with high stability after four weeks of real-time degradation. The significance of this research is in the fabrication of a tuneable tubular nerve guide conduits that can simplify the current existing clinical treatment of neural injuries.Radiation chemists have been routinely using high-dose microsecond-pulsed irradiation for almost 60 years, involving many thousands of studies, in the technique of "pulse radiolysis". This involves dose rates broadly similar to the FLASH regimen now attracting interest in radiotherapy and radiobiology. Using the experience gained from radiation chemistry, two scenarios are examined here that may provide a mechanistic basis for any differential response in normal tissues versus tumors in FLASH radiotherapy. These are 1. possible depletion of a chemical critical to the response to radiation, and 2. radical-radical reactions as a possible cause of effects occurring mainly with high-intensity pulsed radiation. The evidence for changes in relative levels of so-called "reactive oxygen species" produced after irradiation using FLASH versus conventional irradiation modalities is also examined.Introduction Metastatic breast cancer has poor prognosis due to limited therapeutic options. Protein kinase dysregulations have a major role in breast cancer progression and metastasis. In this study, we investigated the anti-cancer activity of sorafenib, a multikinase inhibitor, which targets receptor tyrosine kinases in breast cancer. Although treatment with sorafenib has increased the patient survival and inhibited metastatic migration in hepatocellular carcinoma, its role in breast cancer migration, metastasis, and intracellular signaling modulation is unknown. Methods Breast cancer cell lines MCF7 and MDA-MB-231 were treated with sorafenib and its effect on proliferation, migration, invasion and gene expression was analyzed. Results We found that sorafenib has an anti-proliferative and cytotoxic effect on breast cancer cells. Importantly, sorafenib inhibited the migration and invasion of breast cancer cells in vitro. Mechanistically, sorafenib increased mitochondrial superoxide production, suppressed breast cancer stem cell self-renewal, inhibited epithelial mesenchymal transition and ERK signaling. Conclusion Thus, sorafenib has anti-cancer activity against breast cancer cells and could improve the survival of breast cancer patients by inhibiting their invasive and metastatic properties.Recently, organic dyes with aggregation-induced emission (AIE) have attracted much attention in bioimaging and diagnostics. Relatively, the application of traditional dyes has diminished because of aggregation-caused quenching (ACQ). In this work, we compare the imaging ability of nanoparticle formulations of these two kinds of dyes. Boron dipyrromethene (BODIPY) was chosen as a representative of the ACQ dyes, and an aggregation-induced emission (AIE) dye BPMT was used for comparison. BODIPY and BPMT were entrapped into PEG5k-PLA10k to form BODIPY-loaded NPs (BNPs) and BPMT-loaded NPs (ANPs), respectively. In vivo and ex vivo imaging demonstrated that BNP1 with ultralow BODIPY load (0.07%) can effectively accumulate in tumor tissues and enable long-term noninvasive imaging. In contrast, ANP4 with high BPMT load (1.6%) has poor bioimaging ability. In general, our work has certain reference significance for the application of ACQ dyes and AIEgens in bioimaging, diagnostics, and theranostics.Pulmonary typical carcinoid (TC) is a low-grade, rare lung cancer of neuroendocrine origin. Currently, there is very little information available about the immune cell composition in TC tumors. Here, we analyzed by flow cytometry resected tumors from four never-smoker female patients with TC. Twelve distinct immune cell types were identified in TC tumors. The most abundant immune cells were CD8+ T cells, CD4+ T cells, B cells, and macrophages, which represented 19.8%, 17.7%, 11.5%, and 11% of all tumor-infiltrating CD45+ leukocytes, respectively. Natural killer (NK) cells (8.9%) and neutrophils (3.9%) were also common. Three types of dendritic cells (DCs) were identified (plasmacytoid DCs, CD1c+ DCs, and CD141+ DCs) which together constituted 1.4% of all immune cells in TC tumors. Small populations of basophils (1.3%), mast cells (0.8%), and eosinophils (0.6%) were also present. Notably, the percentage of leukocytes (of all living cells) was much lower in TC tumors compared to high-grade non-small cell lung cancer (NSCLC) tumors, and also compared to non-cancerous lung tissue.0 Comments 0 Shares 39 Views 0 Reviews -
Furthermore, the prospect of targeting Leishmania MIF for therapeutic purposes will be discussed.Hepatitis E virus (HEV) is an emerging causative agent of acute hepatitis worldwide. To provide insights into the epidemiology of HEV in Italy, a large-scale investigation was conducted into urban sewage over nine years (2011-2019), collecting 1374 sewage samples from 48 wastewater treatment plants located in all the 20 regions of Italy. Broadly reactive primers targeting the ORF1 and ORF2 regions were used for the detection and typing of HEV, followed by Sanger and next generation sequencing (NGS). Real-time RT-qPCR was also used to attempt quantification of positive samples. HEV RNA detection occurred in 74 urban sewage samples (5.4%), with a statistically significant higher frequency (7.1%) in central Italy. Fifty-six samples were characterized as G3 strains and 18 as G1. While the detection of G3 strains occurred in all the surveillance period, G1 strains were mainly detected in 2011-2012, and never in 2017-2019. Typing was achieved in 2 samples (3f subtype). Viral concentrations in quantifiable samples ranged from 1.2 × 103 g.c./L to 2.8 × 104 g.c./L. Our results suggest the considerable circulation of the virus in the Italian population, despite a relatively small number of notified cases, a higher occurrence in central Italy, and a noteworthy predominance of G3 strains.Grapevine physiology is influenced by several environmental factors, such as temperature, precipitation, potential evapotranspiration, and sunshine hours. Due to climatic changes, effects in grapevine physiology and consequently on the grape berry composition and quality have been observed. This work aims to make a comparative study of the effect of foliar mitigation treatment with kaolin (5%) and potassium silicates (0.1% and 0.05%) on the grape berry quality; namely on berry weight, pH, probable alcohol, total phenolics, tannins, total anthocyanins, monomeric anthocyanins, calcium, potassium, and magnesium composition from Portuguese grapevines (Vitis vinifera L. cv. Touriga Nacional and Touriga Franca). The results suggested that the phenolic composition and anthocyanin content differs between treatments while other parameters showed distinct behavior among the different applications. Qualitative parameters observed in the present study suggested non-significant changes upon both the applications.l-type amino acid transporter 1 (LAT1) is an amino acid transporter that is overexpressed in several types of cancer and, thus, it can be a potential target for chemotherapy. The objectives of this study were to (a) synthesize LAT1-targeted chlorambucil derivatives and (b) evaluate their LAT1-mediated cellular uptake as well as antiproliferative activity in vitro in the human breast cancer MCF-7 cell line. Chlorambucil was conjugated to l-tyrosine-an endogenous LAT1 substrate-via either ester or amide linkage (compounds 1 and 2, respectively). While chlorambucil itself did not bind to LAT1, its derivatives 1 and 2 bound to LAT1 with a similar affinity as with l-tyrosine and their respective cellular uptake was significantly higher than that of chlorambucil in MCF-7. The results of our cellular uptake study are indicative of antiproliferative activity, as a higher intracellular uptake of chlorambucil derivatives resulted in greater cytotoxicity than chlorambucil by itself. LAT1 thus contributes to intracellular uptake of chlorambucil derivatives and, therefore, increases antiproliferative activity. The understanding gained from our research can be used in the development of LAT1-targeted anticancer drugs and prodrugs for site-selective and enhanced chemotherapeutic activity.We aimed to identify if maternal and infant factors were associated with neutral human milk oligosaccharides (HMOs) variability and examined the associations between HMOs concentration and infant growth and disease status in healthy Chinese mothers over a 6-month lactation period. We recruited mothers and their full-term infants as our subjects. https://www.selleckchem.com/ At 1-5 days, 8-14 days, 4 weeks, and 6 months postpartum, all participants were interviewed to collect breast milk samples, obtain follow-up data and measure infant length and weight at their local hospital. A total of 23 neutral HMOs were analyzed by high performance liquid chromatography (HPLC)- mass spectrometer (MS). Secretor and Lewis phenotype were determined by the concentration of 2'-fucosyllactose (2'-FL) and Lacto-N-fucopentaose (LNFP)-II. The associations between maternal and infant factors with HMOs concentrations were investigated. A total of 464 human breast milk samples were collected from 116 mothers at four different time points. In total, 76.7% mothers were found to be Secretor and Lewis positive phenotype (Se+Le+), 17.2% were Se-Le+, 4.3% were Se+Le-, and 1.7% were Se-Le-. Several individual HMOs, including 2'-FL, Lactodifucotetraose (LDFT), LNFP-I were determined by Secretor phenotype. Most individual HMOs decreased at the later stage of lactation, except 3'-FL. We suggest that Secretor phenotype and lactation stage could influence most of the neutral HMOs. Concentrations of specific HMOs may be associated with maternal age, allergic history, pre-pregnancy body mass index (BMI), parity, delivery mode, infant gestational age and gender.This study investigates the impact of neighborhood-built environments on obesity in interrelationship with socioeconomic status (SES)-controlling for dietary patterns and physical activities of residents-using structural equation modeling (SEM). A total of 577 samples who are between 19 and 64 years old and reside in Seoul are extracted from Korea National Health and Nutrition Examination Survey (KNHNES), 2015. Neighborhood environments are represented as the two latent constructs-walkability and leisure amenities-composited with indicators such as density of intersections, density of mixed-use area, and the area of open spaces and are aggregated by jurisdictional unit in Seoul. We found that greater walkability in a neighborhood explained a lower body mass index (BMI) among residents, whereas more urban leisure amenities in a neighborhood explained a higher BMI. The finding suggests that a walking-friendly environment is more effective than active recreational amenities in inducing people to engage in daily physical activities to the level that reduces obesity rate.
Furthermore, the prospect of targeting Leishmania MIF for therapeutic purposes will be discussed.Hepatitis E virus (HEV) is an emerging causative agent of acute hepatitis worldwide. To provide insights into the epidemiology of HEV in Italy, a large-scale investigation was conducted into urban sewage over nine years (2011-2019), collecting 1374 sewage samples from 48 wastewater treatment plants located in all the 20 regions of Italy. Broadly reactive primers targeting the ORF1 and ORF2 regions were used for the detection and typing of HEV, followed by Sanger and next generation sequencing (NGS). Real-time RT-qPCR was also used to attempt quantification of positive samples. HEV RNA detection occurred in 74 urban sewage samples (5.4%), with a statistically significant higher frequency (7.1%) in central Italy. Fifty-six samples were characterized as G3 strains and 18 as G1. While the detection of G3 strains occurred in all the surveillance period, G1 strains were mainly detected in 2011-2012, and never in 2017-2019. Typing was achieved in 2 samples (3f subtype). Viral concentrations in quantifiable samples ranged from 1.2 × 103 g.c./L to 2.8 × 104 g.c./L. Our results suggest the considerable circulation of the virus in the Italian population, despite a relatively small number of notified cases, a higher occurrence in central Italy, and a noteworthy predominance of G3 strains.Grapevine physiology is influenced by several environmental factors, such as temperature, precipitation, potential evapotranspiration, and sunshine hours. Due to climatic changes, effects in grapevine physiology and consequently on the grape berry composition and quality have been observed. This work aims to make a comparative study of the effect of foliar mitigation treatment with kaolin (5%) and potassium silicates (0.1% and 0.05%) on the grape berry quality; namely on berry weight, pH, probable alcohol, total phenolics, tannins, total anthocyanins, monomeric anthocyanins, calcium, potassium, and magnesium composition from Portuguese grapevines (Vitis vinifera L. cv. Touriga Nacional and Touriga Franca). The results suggested that the phenolic composition and anthocyanin content differs between treatments while other parameters showed distinct behavior among the different applications. Qualitative parameters observed in the present study suggested non-significant changes upon both the applications.l-type amino acid transporter 1 (LAT1) is an amino acid transporter that is overexpressed in several types of cancer and, thus, it can be a potential target for chemotherapy. The objectives of this study were to (a) synthesize LAT1-targeted chlorambucil derivatives and (b) evaluate their LAT1-mediated cellular uptake as well as antiproliferative activity in vitro in the human breast cancer MCF-7 cell line. Chlorambucil was conjugated to l-tyrosine-an endogenous LAT1 substrate-via either ester or amide linkage (compounds 1 and 2, respectively). While chlorambucil itself did not bind to LAT1, its derivatives 1 and 2 bound to LAT1 with a similar affinity as with l-tyrosine and their respective cellular uptake was significantly higher than that of chlorambucil in MCF-7. The results of our cellular uptake study are indicative of antiproliferative activity, as a higher intracellular uptake of chlorambucil derivatives resulted in greater cytotoxicity than chlorambucil by itself. LAT1 thus contributes to intracellular uptake of chlorambucil derivatives and, therefore, increases antiproliferative activity. The understanding gained from our research can be used in the development of LAT1-targeted anticancer drugs and prodrugs for site-selective and enhanced chemotherapeutic activity.We aimed to identify if maternal and infant factors were associated with neutral human milk oligosaccharides (HMOs) variability and examined the associations between HMOs concentration and infant growth and disease status in healthy Chinese mothers over a 6-month lactation period. We recruited mothers and their full-term infants as our subjects. https://www.selleckchem.com/ At 1-5 days, 8-14 days, 4 weeks, and 6 months postpartum, all participants were interviewed to collect breast milk samples, obtain follow-up data and measure infant length and weight at their local hospital. A total of 23 neutral HMOs were analyzed by high performance liquid chromatography (HPLC)- mass spectrometer (MS). Secretor and Lewis phenotype were determined by the concentration of 2'-fucosyllactose (2'-FL) and Lacto-N-fucopentaose (LNFP)-II. The associations between maternal and infant factors with HMOs concentrations were investigated. A total of 464 human breast milk samples were collected from 116 mothers at four different time points. In total, 76.7% mothers were found to be Secretor and Lewis positive phenotype (Se+Le+), 17.2% were Se-Le+, 4.3% were Se+Le-, and 1.7% were Se-Le-. Several individual HMOs, including 2'-FL, Lactodifucotetraose (LDFT), LNFP-I were determined by Secretor phenotype. Most individual HMOs decreased at the later stage of lactation, except 3'-FL. We suggest that Secretor phenotype and lactation stage could influence most of the neutral HMOs. Concentrations of specific HMOs may be associated with maternal age, allergic history, pre-pregnancy body mass index (BMI), parity, delivery mode, infant gestational age and gender.This study investigates the impact of neighborhood-built environments on obesity in interrelationship with socioeconomic status (SES)-controlling for dietary patterns and physical activities of residents-using structural equation modeling (SEM). A total of 577 samples who are between 19 and 64 years old and reside in Seoul are extracted from Korea National Health and Nutrition Examination Survey (KNHNES), 2015. Neighborhood environments are represented as the two latent constructs-walkability and leisure amenities-composited with indicators such as density of intersections, density of mixed-use area, and the area of open spaces and are aggregated by jurisdictional unit in Seoul. We found that greater walkability in a neighborhood explained a lower body mass index (BMI) among residents, whereas more urban leisure amenities in a neighborhood explained a higher BMI. The finding suggests that a walking-friendly environment is more effective than active recreational amenities in inducing people to engage in daily physical activities to the level that reduces obesity rate.0 Comments 0 Shares 34 Views 0 Reviews
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