• 11 المنشورات
  • 0 الصور
  • 0 الفيديوهات
  • Male
  • 23/05/1994
  • متابَع بواسطة 0 أشخاص
البحث
التحديثات الأخيرة

  • Background Cultivated tomatoes are highly susceptible to the destructive parasite Phelipanche aegyptiaca. Wild relatives show the potential resistance for the genetic improvement. However, their genetic and molecular mechanisms are still unknown. Results Among 50 wild tomato accessions evaluated for resistance to P. aegyptiaca, most of wild relatives exhibited varying degrees of resistance compared to the cultivars. Solanum pennellii LA0716 performed the most promising and solid resistance with very low infection by the broomrape. The resistance involved in LA0716 was further confirmed by cytological analysis, and explored by employing a permanent IL population. 13 putative QTLs conferring the different resistance traits were identified. They are located on chromosomes 1, 2, 3, 4, 6, 8 and 9. The most attractive QTLs are positioned in IL6-2 and overlap with IL6-3. Specially, IL6-2 showed the highest and most consistent resistance for multiple traits and explained the major phenotypic variation of LA0716. Analysis of candidate genes involved in these regions showed that Beta (Solyc06g074240) and P450 (Solyc06g073570, Solyc06g074180 and Solyc06g074420) genes are substantially related to the strigolactone (SL) pathway. Transcript analysis further demonstrated that both Solyc06g073570 and Solyc06g074180 might play an important role in the reduction of P. aegyptiaca infection. Conclusion Germplasms resistant to P. aegyptiaca were found in wild tomato species. QTLs conferring P. aegyptiaca tolerance in LA0716 were identified. IL6-2 is identified as a prospective line possessing the major QTLs. The candidate genes would provide the availability to assist the introgression of the resistance in the future breeding program. This article is protected by copyright. All rights reserved.Background and aim Paralytic ileus is a common intestinal dysfunction in critically ill patients, which results in complications and poor hospital outcomes. There are still no established effective medications, except correcting the primary causes and prokinetics trial, which have limited efficacy and potential adverse events. This study aims to evaluate the efficacy of prucalopride on paralytic ileus in critically ill patients. Methods A randomized, double-blind, placebo-controlled trial of five consecutive days treatment periods was conducted. Critically ill patients with paralytic ileus were included. The primary endpoint was the improvement of bowel dilatation on plain abdominal radiography. The secondary endpoint was the change of abdominal circumference. Results Twenty patients were consecutively enrolled in the study. There was no significant difference in baseline characteristics of patients. The common causes of hospitalization were infection and respiratory problems. The maximum large bowel diameters dramatically decreased in prucalopride group and reached maximum point on the third day after intervention when compared with placebo (-2.1 [± 1.8] vs 0.3 [± 1.5] cm, P = 0.01). The maximum small bowel diameters were noticeably less decreased and were not significantly different when compared with placebo. The abdominal circumferences notably decreased and significantly diverged from placebo on the third day. Conclusions Prucalopride was an effective enterokinetic agent to improve non-severe inflammatory/ischemic bowel conditions related paralytic ileus in critically ill patients. Its effect was predominant on large intestine but could not be well demonstrated on small bowel in this study. Future study or concomitant other prokinetics for upper gut motility should be further evaluated.Objective Orthostatic intolerance (OI) and autonomic dysfunction (AD) are common in adolescents and young adults. Patients experience multisystem symptoms including gastrointestinal (GI), postural orthostatic tachycardia syndrome (POTS), orthostatic hypotension (OH), or only symptoms of OI (SOI) without significant findings on 70-degree head-up tilt testing (HUT). We hypothesize that patients with POTS, OH, and SOI show differences in GI symptoms and motility test and that heart rate (HR) changes on HUT predict severity of GI dysmotility. Study design From medical records of patients ( less then 18 years) with OI, we collected demographics, presenting symptoms, GI manifestations, and GI motility testing. Data were compared between the 3 groups (POTS, OH, and SOI). We assessed changes in HR on HUT with changes on GI motility evaluation. Results Two hundred twenty-nine patients were included (73% females). Abdominal pain (65%), nausea (49%), vomiting (18%), and constipation (24%) were the most common GI symptoms. In patients who had motility evaluation, there were 27% (53/193) with delayed gastric emptying (GE) at 4 hours, 35% (32/92) with delayed colonic transit (CT), 55% (17/31) with reduced gastric accommodation (GA), and 75% (21/28) with dyssynergic defecation (DD). Among 100 POTS, 34 OH, and 95 SOI patients, no significant differences in GI symptoms or motility tests were identified and HR changes on HUT were not associated with changes on motility tests. Conclusion GI symptoms are frequent in adolescents with OI and are associated with delayed GE, reduced GA, delayed CT, and presence of DD.Background The in vivo recovery of transfused platelets is variable and often unpredictable. Although many recipient-dependent factors are well described, donor-dependent variables remain poorly understood. Study design and methods To explore donor-dependent variables we conducted 2 retrospective studies of platelet transfusion outcomes in repeat donors. One study analyzed multiple autologous, radiolabeled platelet transfusions, and a second study analyzed multiple clinical platelet transfusions from a small cohort of repeat donors. https://www.selleckchem.com/ Results In 36 subjects, multiple within-subject determinations of recovery and survival of radiolabeled autologous platelets revealed a relative consistency in platelet recoveries within donors compared to the range of recoveries among donors. Intraclass correlation coefficients for platelet recovery were 43% to 93%. In 524 ABO-compatible clinical platelet transfusions derived from seven donors, a linear mixed-effects model revealed significant donor-dependent differences in corrected count increments for units stored for 4 or 5 days.
    Background Cultivated tomatoes are highly susceptible to the destructive parasite Phelipanche aegyptiaca. Wild relatives show the potential resistance for the genetic improvement. However, their genetic and molecular mechanisms are still unknown. Results Among 50 wild tomato accessions evaluated for resistance to P. aegyptiaca, most of wild relatives exhibited varying degrees of resistance compared to the cultivars. Solanum pennellii LA0716 performed the most promising and solid resistance with very low infection by the broomrape. The resistance involved in LA0716 was further confirmed by cytological analysis, and explored by employing a permanent IL population. 13 putative QTLs conferring the different resistance traits were identified. They are located on chromosomes 1, 2, 3, 4, 6, 8 and 9. The most attractive QTLs are positioned in IL6-2 and overlap with IL6-3. Specially, IL6-2 showed the highest and most consistent resistance for multiple traits and explained the major phenotypic variation of LA0716. Analysis of candidate genes involved in these regions showed that Beta (Solyc06g074240) and P450 (Solyc06g073570, Solyc06g074180 and Solyc06g074420) genes are substantially related to the strigolactone (SL) pathway. Transcript analysis further demonstrated that both Solyc06g073570 and Solyc06g074180 might play an important role in the reduction of P. aegyptiaca infection. Conclusion Germplasms resistant to P. aegyptiaca were found in wild tomato species. QTLs conferring P. aegyptiaca tolerance in LA0716 were identified. IL6-2 is identified as a prospective line possessing the major QTLs. The candidate genes would provide the availability to assist the introgression of the resistance in the future breeding program. This article is protected by copyright. All rights reserved.Background and aim Paralytic ileus is a common intestinal dysfunction in critically ill patients, which results in complications and poor hospital outcomes. There are still no established effective medications, except correcting the primary causes and prokinetics trial, which have limited efficacy and potential adverse events. This study aims to evaluate the efficacy of prucalopride on paralytic ileus in critically ill patients. Methods A randomized, double-blind, placebo-controlled trial of five consecutive days treatment periods was conducted. Critically ill patients with paralytic ileus were included. The primary endpoint was the improvement of bowel dilatation on plain abdominal radiography. The secondary endpoint was the change of abdominal circumference. Results Twenty patients were consecutively enrolled in the study. There was no significant difference in baseline characteristics of patients. The common causes of hospitalization were infection and respiratory problems. The maximum large bowel diameters dramatically decreased in prucalopride group and reached maximum point on the third day after intervention when compared with placebo (-2.1 [± 1.8] vs 0.3 [± 1.5] cm, P = 0.01). The maximum small bowel diameters were noticeably less decreased and were not significantly different when compared with placebo. The abdominal circumferences notably decreased and significantly diverged from placebo on the third day. Conclusions Prucalopride was an effective enterokinetic agent to improve non-severe inflammatory/ischemic bowel conditions related paralytic ileus in critically ill patients. Its effect was predominant on large intestine but could not be well demonstrated on small bowel in this study. Future study or concomitant other prokinetics for upper gut motility should be further evaluated.Objective Orthostatic intolerance (OI) and autonomic dysfunction (AD) are common in adolescents and young adults. Patients experience multisystem symptoms including gastrointestinal (GI), postural orthostatic tachycardia syndrome (POTS), orthostatic hypotension (OH), or only symptoms of OI (SOI) without significant findings on 70-degree head-up tilt testing (HUT). We hypothesize that patients with POTS, OH, and SOI show differences in GI symptoms and motility test and that heart rate (HR) changes on HUT predict severity of GI dysmotility. Study design From medical records of patients ( less then 18 years) with OI, we collected demographics, presenting symptoms, GI manifestations, and GI motility testing. Data were compared between the 3 groups (POTS, OH, and SOI). We assessed changes in HR on HUT with changes on GI motility evaluation. Results Two hundred twenty-nine patients were included (73% females). Abdominal pain (65%), nausea (49%), vomiting (18%), and constipation (24%) were the most common GI symptoms. In patients who had motility evaluation, there were 27% (53/193) with delayed gastric emptying (GE) at 4 hours, 35% (32/92) with delayed colonic transit (CT), 55% (17/31) with reduced gastric accommodation (GA), and 75% (21/28) with dyssynergic defecation (DD). Among 100 POTS, 34 OH, and 95 SOI patients, no significant differences in GI symptoms or motility tests were identified and HR changes on HUT were not associated with changes on motility tests. Conclusion GI symptoms are frequent in adolescents with OI and are associated with delayed GE, reduced GA, delayed CT, and presence of DD.Background The in vivo recovery of transfused platelets is variable and often unpredictable. Although many recipient-dependent factors are well described, donor-dependent variables remain poorly understood. Study design and methods To explore donor-dependent variables we conducted 2 retrospective studies of platelet transfusion outcomes in repeat donors. One study analyzed multiple autologous, radiolabeled platelet transfusions, and a second study analyzed multiple clinical platelet transfusions from a small cohort of repeat donors. https://www.selleckchem.com/ Results In 36 subjects, multiple within-subject determinations of recovery and survival of radiolabeled autologous platelets revealed a relative consistency in platelet recoveries within donors compared to the range of recoveries among donors. Intraclass correlation coefficients for platelet recovery were 43% to 93%. In 524 ABO-compatible clinical platelet transfusions derived from seven donors, a linear mixed-effects model revealed significant donor-dependent differences in corrected count increments for units stored for 4 or 5 days.
    0 التعليقات 0 المشاركات 179 مشاهدة 0 معاينة

  • The spatial variation of land use/cover caused by human activities was an important factor affecting the degree of ES tradeoffs and its scale effect.Habitat quality is an important index to evaluate regional ecological security. Revealing its spatial and temporal responses to urbanization is conducive to the in-depth implementation of new urbanization. Based on land use data, we analyzed the spatio-temporal characteristics of Changchun's landscape pattern, habitat quality and its sample zone from the grid scale with comprehensive utilization of spatial analysis and ecological model analysis. We further discussed the responses of habitat quality during urbanization. The results showed that the low values of patch density (PD), edge density (ED) and Shannon diversity index (SHDI) were distributed in the western plains, while the high aggregation index (AI) showed a patchy distribution in eastern and southern of the city. During 2000-2015, the habitat quality of Changchun showed a trend of degradation and significant spatial heterogeneity, showing a distribution of "high in the east, and low in the west". The expansion of construction land and the transportaecological infrastructure construction.To analyze the climatic characteristics of snow resources and quantitatively evaluate the climatic suitability of skiing, we proposed the concept of theoretical snow period from the perspective of climate based on the synoptic principle. We set threshold values of different suitability degrees of three indices closely related to skiing, including air temperature, wind speed, and precipitation. The conversion function of each index was designed after normalization. Based on grey relational theory and Euclidean distance method, we established evaluation model of ski sports climate suitability index, with Changbai Mountain Ski Resort as an example. The results showed that snow resource in Changbai Mountain area was rich. From 1981 to 2018, the average snowfall during the theoretical snow period was 64.6 mm. Under the background of climate change, the average number of snow days and snowfall decreased slightly over the years, with the starting time of snow season being delayed and the ending time being advanced. The number of snow days in the early winter (from the starting time of snow season to the end of December) was significantly less than that in the later winter (from the next January to the end of snow season). Climate in Changbai Mountain was highly suitable for skiing during the snow period. The most suitable and relatively suitable days with respect to air temperature, wind speed and precipitation accounted for 91.9%, 91.8%, and 94.6% of the total, respectively. The cumulative number of days for ski comprehensive weather suita-bility accounted for 99.7%, indicating that most days were suitable for skiing. The concept of theoretical snow period in this study had made up for the problems caused by the lack of meteorological observation data of the first and last snow event on the study of snow resources. The climate suitabi-lity evaluation model of skiing could help make management decision for the development and operation of ski resorts and scientific support for skiing enthusiasts.Taiwan green jujube (Ziziphus mauritiana) is a new fruit variety, with remarkable economic benefit. To achieve high quality and high yield of jujube in Fujian Province, we quantified the climate suitability model parameters of the jujube in main production areas of Fujian, and analyzed climate suitability characteristics and change trend of main production areas, based on the yield and meteorological data, combined with literature and phenological observation data and agricultural climate suitability model. The results showed that the model based on the equal weight summation method had the highest reliability. The climate suitability of jujube in main production areas of Fujian was higher, with most years being suitable or **** suitable. From 1996 to 2013, the influence of climate conditions on jujube growth was generally in a good trend, which was conducive to the development of jujube production. The suitability of the main production areas in the whole growing season was ranked as temperature suitability>comprehensive climate suitability>sunshine suitability>precipitation suitability. September and October are the key period of water management. Our results are important in guiding production management and long-term planning of Taiwan green jujube in Fujian Province.To explore the impacts of future climate change on spring phenology stages (first leaf storey expansion stage, spring flowering stage) of rubber tree in Hainan Island, we established a rubber tree spring phenology simulation model based on the crop clock model and developed a computer software RubberSP. The model simulation accuracy was examined with experimental observed phenology data. Five global climate models (GCMs) from the Coupled Model Intercomparison Project Phase 5 (CMIP5) were integrated using Bayesian Model averaging method (BMA) to predict the impacts of climate change on the spring phenology of rubber tree in 2020-2099 (relative to 1986-2017) under climate scenarios of RCP2.6, RCP4.5 and RCP8.5, respectively. The results showed that the RubberSP model had good simulation accuracy, with the determination coefficient (R2) values ranging between 0.73-0.87, the root mean square error (RMSE) ranging from 3.26 to 4.15 d, and the normalized root mean square error (NRMSE) of 3.4%-7.4% between measured and simulated phenology stages. The uncertainty of a single GCM could be avoided by BMA method, which could better reflect the change trend of temperature. Temperature of Hainan Island in the end of 21 century, under the scenarios of RCP2.6, RCP4.5 and RCP8.5, would increase by more than 0.3, 1.0 and 2.5 ℃ compared with the baseline, respectively. The spring phenology stages would appear earlier and yield would increase in the future climate scenario. https://www.selleckchem.com/products/pu-h71.html The time isoline of spring phenology stages would move forward to northwest, which indicated that most suitable area for rubber tree plantation in Hainan Island would expand to the northwest. The spatial difference of the first leaf storey expansion stage would be more evident, but not for spring flowering stage. The amplitude of rubber tree spring phenology variations was closely related to the increases of temperature under different RCP scenarios, with the most apparent change under RCP8.5 scenario and most mild change under RCP2.6 scenario.
    The spatial variation of land use/cover caused by human activities was an important factor affecting the degree of ES tradeoffs and its scale effect.Habitat quality is an important index to evaluate regional ecological security. Revealing its spatial and temporal responses to urbanization is conducive to the in-depth implementation of new urbanization. Based on land use data, we analyzed the spatio-temporal characteristics of Changchun's landscape pattern, habitat quality and its sample zone from the grid scale with comprehensive utilization of spatial analysis and ecological model analysis. We further discussed the responses of habitat quality during urbanization. The results showed that the low values of patch density (PD), edge density (ED) and Shannon diversity index (SHDI) were distributed in the western plains, while the high aggregation index (AI) showed a patchy distribution in eastern and southern of the city. During 2000-2015, the habitat quality of Changchun showed a trend of degradation and significant spatial heterogeneity, showing a distribution of "high in the east, and low in the west". The expansion of construction land and the transportaecological infrastructure construction.To analyze the climatic characteristics of snow resources and quantitatively evaluate the climatic suitability of skiing, we proposed the concept of theoretical snow period from the perspective of climate based on the synoptic principle. We set threshold values of different suitability degrees of three indices closely related to skiing, including air temperature, wind speed, and precipitation. The conversion function of each index was designed after normalization. Based on grey relational theory and Euclidean distance method, we established evaluation model of ski sports climate suitability index, with Changbai Mountain Ski Resort as an example. The results showed that snow resource in Changbai Mountain area was rich. From 1981 to 2018, the average snowfall during the theoretical snow period was 64.6 mm. Under the background of climate change, the average number of snow days and snowfall decreased slightly over the years, with the starting time of snow season being delayed and the ending time being advanced. The number of snow days in the early winter (from the starting time of snow season to the end of December) was significantly less than that in the later winter (from the next January to the end of snow season). Climate in Changbai Mountain was highly suitable for skiing during the snow period. The most suitable and relatively suitable days with respect to air temperature, wind speed and precipitation accounted for 91.9%, 91.8%, and 94.6% of the total, respectively. The cumulative number of days for ski comprehensive weather suita-bility accounted for 99.7%, indicating that most days were suitable for skiing. The concept of theoretical snow period in this study had made up for the problems caused by the lack of meteorological observation data of the first and last snow event on the study of snow resources. The climate suitabi-lity evaluation model of skiing could help make management decision for the development and operation of ski resorts and scientific support for skiing enthusiasts.Taiwan green jujube (Ziziphus mauritiana) is a new fruit variety, with remarkable economic benefit. To achieve high quality and high yield of jujube in Fujian Province, we quantified the climate suitability model parameters of the jujube in main production areas of Fujian, and analyzed climate suitability characteristics and change trend of main production areas, based on the yield and meteorological data, combined with literature and phenological observation data and agricultural climate suitability model. The results showed that the model based on the equal weight summation method had the highest reliability. The climate suitability of jujube in main production areas of Fujian was higher, with most years being suitable or much suitable. From 1996 to 2013, the influence of climate conditions on jujube growth was generally in a good trend, which was conducive to the development of jujube production. The suitability of the main production areas in the whole growing season was ranked as temperature suitability>comprehensive climate suitability>sunshine suitability>precipitation suitability. September and October are the key period of water management. Our results are important in guiding production management and long-term planning of Taiwan green jujube in Fujian Province.To explore the impacts of future climate change on spring phenology stages (first leaf storey expansion stage, spring flowering stage) of rubber tree in Hainan Island, we established a rubber tree spring phenology simulation model based on the crop clock model and developed a computer software RubberSP. The model simulation accuracy was examined with experimental observed phenology data. Five global climate models (GCMs) from the Coupled Model Intercomparison Project Phase 5 (CMIP5) were integrated using Bayesian Model averaging method (BMA) to predict the impacts of climate change on the spring phenology of rubber tree in 2020-2099 (relative to 1986-2017) under climate scenarios of RCP2.6, RCP4.5 and RCP8.5, respectively. The results showed that the RubberSP model had good simulation accuracy, with the determination coefficient (R2) values ranging between 0.73-0.87, the root mean square error (RMSE) ranging from 3.26 to 4.15 d, and the normalized root mean square error (NRMSE) of 3.4%-7.4% between measured and simulated phenology stages. The uncertainty of a single GCM could be avoided by BMA method, which could better reflect the change trend of temperature. Temperature of Hainan Island in the end of 21 century, under the scenarios of RCP2.6, RCP4.5 and RCP8.5, would increase by more than 0.3, 1.0 and 2.5 ℃ compared with the baseline, respectively. The spring phenology stages would appear earlier and yield would increase in the future climate scenario. https://www.selleckchem.com/products/pu-h71.html The time isoline of spring phenology stages would move forward to northwest, which indicated that most suitable area for rubber tree plantation in Hainan Island would expand to the northwest. The spatial difference of the first leaf storey expansion stage would be more evident, but not for spring flowering stage. The amplitude of rubber tree spring phenology variations was closely related to the increases of temperature under different RCP scenarios, with the most apparent change under RCP8.5 scenario and most mild change under RCP2.6 scenario.
    0 التعليقات 0 المشاركات 150 مشاهدة 0 معاينة

  • Moreover, we also find that perceived behavioral control positively affect shared electric bicycle' intention and positively moderate the relationship between attitude and behavioral intention. Based on our findings, we discuss the policy implications and further studies.Small-scale agriculture (SA) is regarded as unsustainability because of its low benefit. To protect traditional agricultural landscapes like terraces through SA will be difficult. However, in China, terraces are still maintained well by smallholders now. This study takes the family as a basic unit and SA in Hani terraced region as an object to explore its sustainability from the perspective of labor productivity (LP) through the questionnaire method. The findings are that peasant households work on both farm and non-farm jobs. They get a low income (3854.5 yuan RMB) from hybrid-rice-cropping and a high income (44,665.8 yuan RMB) from non-farm jobs but spend a small part of labors (34.23 person•days) in growing hybrid-rice and expended lots of labor (522 person•days) for non-farm jobs. https://www.selleckchem.com/products/gsk-j4-hcl.html In conclusion, LP of hybrid-rice-cropping is 1.32 times that of non-farm jobs for a household. The result shows SA in Hani terraced region has a higher return of labor investment than non-farm jobs. It is different from the common impression of the low benefit of SA and also explains why SA still continues to exist in the mountainous area in China now. However, SA in Hani terraced region also faces challenges with salary level rise of non-farm jobs and part-time farmers' requirement for living quality improvement. In the future, promoting industrial integration development in this region to add local employment for improving farmers' income is a feasible approach to protect terraced landscapes.This research attempted to investigate the impact of urbanization and spatial agglomeration on carbon emissions. To achieve the goal, the dynamic panel data model was employed to explore the nonlinear relationship between urbanization and carbon emissions for 166 cities in China taking the period 2005-2015, and the Gini coefficient of urban population size distribution in 15 urban agglomerations were calculated to analyze whether the spatial agglomeration of cities contributed to environmental protection. The results show that there is an inverted U-shaped curve between urbanization and carbon emissions; high-level urbanization development helps reduce carbon emissions; the spatial agglomeration of cities can contribute to carbon reduction to a certain extent based on the empirical results of the spatial agglomeration promotes the early arrival of the inflection point in the inverted U-shaped relationship between urbanization and carbon emissions; and the improvement of urban agglomeration level can present an abatement effect on carbon emissions at a lower urbanization level, which enhances the positive environmental effect of urbanization development compared with the decentralized urban distribution model. Furthermore, there is a significant U-shaped relationship between spatial agglomeration and carbon emissions, which indicates that the scientific planning of urban clusters will achieve economies of scale and agglomeration effect, thereby reducing carbon emissions. These findings contribute to complement the existing literature as well as provide some implications related to sustainable urban development for policymakers.Microplastics (MP) are transported from land-based sources from rivers to marine waters. However, there is currently little knowledge about MP fate from land sources to marine waters. Traffic is estimated to be one of the largest sources of MP; hence, stormwater is expected to be an important transportation route of MP to marine waters. The aim of this study was to investigate the effect of the size and density of tyre wear particles in road run-off on their fate in the Göta River in Sweden using hydrodynamic modelling. The model of the stretch of Göta River, Sweden's largest river, passing through Gothenburg (Sweden's second largest city) and out to the sea, was set up using MIKE 3 FM software. Literature data were used to define the MP characteristics concentrations in stormwater, prevalent particle sizes, density of MP commonly occurring in road run-off and settling velocities. Results show that higher concentrations of MP are found on the south side of the river, compared with the north side, due to higher annual average daily traffic loads along the south side of the river. The mixing processes in the river and the MP concentrations were generally influenced by the vertical water density gradient caused by saline water from the Kattegat strait. While most MP with higher density and larger size settle in the river, smaller MP with density close to 1.0 g/cm3 do not settle in the river and therefore reach the Kattegat strait and the marine environments. Further research is needed to describe the fate and transport of microplastics in the stormwater system, including treatment facilities, i.e. biofouling, aggregation, degradation and/or further fragmentation and settling.Hydrothermal carbonization (HTC) is an energy-efficient thermochemical process for converting wet waste products into value added materials for water treatment. Understanding how HTC influences the physicochemical properties of the resultant materials is critical in optimizing the process for water treatment, where surface functionality and surface area play a major role. In this study, we have examined the HTC of four wet waste streams, sewage sludge, biosludge, fiber sludge, and horse manure at three different temperatures (180 °C, 220 °C, and 260 °C). The physicochemical properties of these materials were examined via FTIR, SEM and BET with their adsorption capacity were assessed using methylene blue. The yield of solid material after hydrothermal carbonization (hydrochar) decreased with increasing temperature for all samples, with the largest impact on horse manure and fiber sludge. These materials also lost the highest degree of oxygen, while HTC had minimal impact on biosludge and sewage sludge. The differences here were due to the varying compositions of each waste material, FTIR identified resonances related to cellulose in horse manure and fiber sludge, which were not detected in biosludge and sewage sludge.
    Moreover, we also find that perceived behavioral control positively affect shared electric bicycle' intention and positively moderate the relationship between attitude and behavioral intention. Based on our findings, we discuss the policy implications and further studies.Small-scale agriculture (SA) is regarded as unsustainability because of its low benefit. To protect traditional agricultural landscapes like terraces through SA will be difficult. However, in China, terraces are still maintained well by smallholders now. This study takes the family as a basic unit and SA in Hani terraced region as an object to explore its sustainability from the perspective of labor productivity (LP) through the questionnaire method. The findings are that peasant households work on both farm and non-farm jobs. They get a low income (3854.5 yuan RMB) from hybrid-rice-cropping and a high income (44,665.8 yuan RMB) from non-farm jobs but spend a small part of labors (34.23 person•days) in growing hybrid-rice and expended lots of labor (522 person•days) for non-farm jobs. https://www.selleckchem.com/products/gsk-j4-hcl.html In conclusion, LP of hybrid-rice-cropping is 1.32 times that of non-farm jobs for a household. The result shows SA in Hani terraced region has a higher return of labor investment than non-farm jobs. It is different from the common impression of the low benefit of SA and also explains why SA still continues to exist in the mountainous area in China now. However, SA in Hani terraced region also faces challenges with salary level rise of non-farm jobs and part-time farmers' requirement for living quality improvement. In the future, promoting industrial integration development in this region to add local employment for improving farmers' income is a feasible approach to protect terraced landscapes.This research attempted to investigate the impact of urbanization and spatial agglomeration on carbon emissions. To achieve the goal, the dynamic panel data model was employed to explore the nonlinear relationship between urbanization and carbon emissions for 166 cities in China taking the period 2005-2015, and the Gini coefficient of urban population size distribution in 15 urban agglomerations were calculated to analyze whether the spatial agglomeration of cities contributed to environmental protection. The results show that there is an inverted U-shaped curve between urbanization and carbon emissions; high-level urbanization development helps reduce carbon emissions; the spatial agglomeration of cities can contribute to carbon reduction to a certain extent based on the empirical results of the spatial agglomeration promotes the early arrival of the inflection point in the inverted U-shaped relationship between urbanization and carbon emissions; and the improvement of urban agglomeration level can present an abatement effect on carbon emissions at a lower urbanization level, which enhances the positive environmental effect of urbanization development compared with the decentralized urban distribution model. Furthermore, there is a significant U-shaped relationship between spatial agglomeration and carbon emissions, which indicates that the scientific planning of urban clusters will achieve economies of scale and agglomeration effect, thereby reducing carbon emissions. These findings contribute to complement the existing literature as well as provide some implications related to sustainable urban development for policymakers.Microplastics (MP) are transported from land-based sources from rivers to marine waters. However, there is currently little knowledge about MP fate from land sources to marine waters. Traffic is estimated to be one of the largest sources of MP; hence, stormwater is expected to be an important transportation route of MP to marine waters. The aim of this study was to investigate the effect of the size and density of tyre wear particles in road run-off on their fate in the Göta River in Sweden using hydrodynamic modelling. The model of the stretch of Göta River, Sweden's largest river, passing through Gothenburg (Sweden's second largest city) and out to the sea, was set up using MIKE 3 FM software. Literature data were used to define the MP characteristics concentrations in stormwater, prevalent particle sizes, density of MP commonly occurring in road run-off and settling velocities. Results show that higher concentrations of MP are found on the south side of the river, compared with the north side, due to higher annual average daily traffic loads along the south side of the river. The mixing processes in the river and the MP concentrations were generally influenced by the vertical water density gradient caused by saline water from the Kattegat strait. While most MP with higher density and larger size settle in the river, smaller MP with density close to 1.0 g/cm3 do not settle in the river and therefore reach the Kattegat strait and the marine environments. Further research is needed to describe the fate and transport of microplastics in the stormwater system, including treatment facilities, i.e. biofouling, aggregation, degradation and/or further fragmentation and settling.Hydrothermal carbonization (HTC) is an energy-efficient thermochemical process for converting wet waste products into value added materials for water treatment. Understanding how HTC influences the physicochemical properties of the resultant materials is critical in optimizing the process for water treatment, where surface functionality and surface area play a major role. In this study, we have examined the HTC of four wet waste streams, sewage sludge, biosludge, fiber sludge, and horse manure at three different temperatures (180 °C, 220 °C, and 260 °C). The physicochemical properties of these materials were examined via FTIR, SEM and BET with their adsorption capacity were assessed using methylene blue. The yield of solid material after hydrothermal carbonization (hydrochar) decreased with increasing temperature for all samples, with the largest impact on horse manure and fiber sludge. These materials also lost the highest degree of oxygen, while HTC had minimal impact on biosludge and sewage sludge. The differences here were due to the varying compositions of each waste material, FTIR identified resonances related to cellulose in horse manure and fiber sludge, which were not detected in biosludge and sewage sludge.
    0 التعليقات 0 المشاركات 222 مشاهدة 0 معاينة

  • 6%), respectively. Overall, 100% mortality was observed on the 8th and 9th days in treated **** with the concentrations of 0.2 and 0.4 mL/kg, respectively. The mean number of tachyzoites in the **** treated with 0.2 and 0.4 mL/kg of ZM-EO were 189×104 and 76×104 cell/mL, respectively, meaningfully (P less then 0.05) reduced compared with the control ****. Results also demonstrated that ZM-EO had no important toxicity on ****. Conclusion The results demonstrated the efficacy of ZM-EO against acute toxoplasmosis. Nevertheless, supplementary surveys are mandatory to examine its precise effects, mainly immunomodulatory effect on toxoplasmosis.Background KMP-11 (Kinetoplastid membrane protein-Π) exists in all species of kinetoplastid family. It is fully conserved and the protein produced by this gene can induce a very high cellular immune response. We aimed to design a suitable construction for a Leishmania major DNA vaccine and evaluate the protective efficacy of it as a candidate for DNA vaccine against cutaneous leishmaniasis in BALB/c ****. Methods This experimental study was conducted in Tehran City, Iran, between April 20, 2015 and May 30, 2016. KMP-11 gene of L. major (MRHO/IR/75/ER, Iranian strain) and NT-GP96 of Xenopus GP96 DNA from a pBluescript-GP96 plasmid were amplified by PCR and the purified PCR products were cloned into the pJET1.2/blunt plasmid vector, then, subcloned into pEGFP-N1 plasmid as an expression vector. Finally, the KMP-11 gene was fused with GP96 and afterward the combination cloned in pEGFP-N1. All the cloned genes confirmed by enzyme digestions. Then, four groups of **** were immunized with PBS, pEGFP-N1, pEGFP-N1-KMP, and pEGFP-N1-fusion. Four weeks after immunization, all animals were challenged with L. major virulent promastigotes. Results The constructed fusion potentially showed an ability to elicit Th1 responses that led to cutaneous lesion healing. Interestingly, the group received KMP11-GP96 -GFP showed the highest ratio of IFN- γ /IL-4 and IgG2a/IgG1 compare to other groups. https://www.selleckchem.com/products/Puromycin-2HCl.html No side effect was observed after using the fusion in the ****. Conclusion The constructed fusion could well stimulate both the cellular and humoral immune systems that led to cutaneous lesion healing in ****.Background Cystic echinococcosis can cause severe disease and probable death in humans. Epitopes of its antigens play a key role in the sensitivity and specificity of immunodiagnostic tests. Methods Epitope prediction software programs predict the most antigenic linear B-cell epitopes of AgB (8 kD), Ag5, and Ag95. Six such epitopes were predicted and connected by "Gly-Ser" linker and synthesized. The purity of the concentrated recombinant multi-epitope protein was assessed by 15% SDS-PAGE. Overall, 186 serum samples were collected from the Loghman Hakim Hospital and different laboratories, Tehran, Iran, from July 2016 to February 2017. Patients infected with hepatic hydatid cysts, patients infected by other parasites and viruses, and healthy individuals were used to detect the anti-CE IgG using recombinant multi-epitope protein. Results Forty-one samples out of 43 cases of hydatidosis were diagnosed correctly as positive, and two were negative. In addition, six negative cases of healthy individual group were diagnosed as positive and negative with rMEP-ELISA and the commercial kit, respectively. Therefore, these six samples were considered as false positive using our method. In addition, a diagnostic sensitivity of 95.3% (95% CI, 84.19% to 99.43%) and a specificity of 95.0% (95% CI, 89.43% to 98.14%) were obtained using optimum cutoff value (0.20). The sensitivity and specificity of the commercial kit was 100%. Conclusion Our findings showed high diagnostic accuracy of the ELISA test using the developed recombinant protein, which encourages the use of this recombinant multi-epitope protein for rapid serological diagnosis of hydatidosis.Introduction The constantly rising number of skin malignancies and increasing cancer awareness encourage more people to visit outpatient clinics in order to have various skin lesions removed. Despite the fact that scarring is a physiological response to any excision procedure, minimizing the size of it is a goal of every good practitioner. Therefore the question arises whether different techniques used to remove skin lesions may impact the formation and quality of skin scars. Aim To perform an evaluation of skin scars formed by laser and surgical incisions and their influence on lymphatic outflow in rats. Material and methods Five male rats were used. Using methylene blue, the migration of dye through lymphatic channels of the lower extremity was measured. Afterwards, transverse incisions were made distally using laser and a surgical blade. Wounds were left to heal by secondary intention. After 4 weeks dye migration assessment was repeated and tissue samples were obtained for microscopic evaluation. Results Wounds after surgical incisions healed entirely. Wounds after laser treatment had not healed, with a visible area of granulation tissue and hair loss. Significantly worse dye migration was observed in rat extremities after laser therapy than after surgical incision (p = 0.007). Conclusions The results of the study show that the size of the scar can depend on the incision technique used. Larger scars after laser therapy limit the lymphatic flow of the skin, which may have an adverse effect on mapping sentinel lymph nodes. However, this hypothesis requires further research.Introduction Adalimumab and etanercept are drugs used in anti-TNF therapy in patients with psoriasis and psoriatic arthritis. Despite the molecular targeting of these drugs, the loss of pharmacological response to treatment is observed in patients. The development of personalized medicine makes it possible to use not only clinical parameters of disease severity, but also molecular marker systems. Aim The aim of the study was to evaluate the changes in TNF-α, TNFR1, and TNFR2 expression in relation to parameters of disease severity (PASI, BSA, DAS28) in patients treated with adalimumab and etanercept. We have attempted to determine whether changes in the TNF-α, TNFR1, and TNFR2 expression profile may be a useful molecular marker of the therapeutic potential of anti-TNF drugs. Material and methods The study group consisted of 3 patients initially treated with adalimumab, followed by etanercept. The control group included 20 healthy volunteers. The expression profile of TNFR1 and TNFR2 was determined at the mRNA level, while TNF-α expression was evaluated at the transcriptome and proteome levels using the RT-qPCR method (transcriptional activity assay) and MALDI-TOF MS (protein level assessment).
    6%), respectively. Overall, 100% mortality was observed on the 8th and 9th days in treated mice with the concentrations of 0.2 and 0.4 mL/kg, respectively. The mean number of tachyzoites in the mice treated with 0.2 and 0.4 mL/kg of ZM-EO were 189×104 and 76×104 cell/mL, respectively, meaningfully (P less then 0.05) reduced compared with the control mice. Results also demonstrated that ZM-EO had no important toxicity on mice. Conclusion The results demonstrated the efficacy of ZM-EO against acute toxoplasmosis. Nevertheless, supplementary surveys are mandatory to examine its precise effects, mainly immunomodulatory effect on toxoplasmosis.Background KMP-11 (Kinetoplastid membrane protein-Π) exists in all species of kinetoplastid family. It is fully conserved and the protein produced by this gene can induce a very high cellular immune response. We aimed to design a suitable construction for a Leishmania major DNA vaccine and evaluate the protective efficacy of it as a candidate for DNA vaccine against cutaneous leishmaniasis in BALB/c mice. Methods This experimental study was conducted in Tehran City, Iran, between April 20, 2015 and May 30, 2016. KMP-11 gene of L. major (MRHO/IR/75/ER, Iranian strain) and NT-GP96 of Xenopus GP96 DNA from a pBluescript-GP96 plasmid were amplified by PCR and the purified PCR products were cloned into the pJET1.2/blunt plasmid vector, then, subcloned into pEGFP-N1 plasmid as an expression vector. Finally, the KMP-11 gene was fused with GP96 and afterward the combination cloned in pEGFP-N1. All the cloned genes confirmed by enzyme digestions. Then, four groups of mice were immunized with PBS, pEGFP-N1, pEGFP-N1-KMP, and pEGFP-N1-fusion. Four weeks after immunization, all animals were challenged with L. major virulent promastigotes. Results The constructed fusion potentially showed an ability to elicit Th1 responses that led to cutaneous lesion healing. Interestingly, the group received KMP11-GP96 -GFP showed the highest ratio of IFN- γ /IL-4 and IgG2a/IgG1 compare to other groups. https://www.selleckchem.com/products/Puromycin-2HCl.html No side effect was observed after using the fusion in the mice. Conclusion The constructed fusion could well stimulate both the cellular and humoral immune systems that led to cutaneous lesion healing in mice.Background Cystic echinococcosis can cause severe disease and probable death in humans. Epitopes of its antigens play a key role in the sensitivity and specificity of immunodiagnostic tests. Methods Epitope prediction software programs predict the most antigenic linear B-cell epitopes of AgB (8 kD), Ag5, and Ag95. Six such epitopes were predicted and connected by "Gly-Ser" linker and synthesized. The purity of the concentrated recombinant multi-epitope protein was assessed by 15% SDS-PAGE. Overall, 186 serum samples were collected from the Loghman Hakim Hospital and different laboratories, Tehran, Iran, from July 2016 to February 2017. Patients infected with hepatic hydatid cysts, patients infected by other parasites and viruses, and healthy individuals were used to detect the anti-CE IgG using recombinant multi-epitope protein. Results Forty-one samples out of 43 cases of hydatidosis were diagnosed correctly as positive, and two were negative. In addition, six negative cases of healthy individual group were diagnosed as positive and negative with rMEP-ELISA and the commercial kit, respectively. Therefore, these six samples were considered as false positive using our method. In addition, a diagnostic sensitivity of 95.3% (95% CI, 84.19% to 99.43%) and a specificity of 95.0% (95% CI, 89.43% to 98.14%) were obtained using optimum cutoff value (0.20). The sensitivity and specificity of the commercial kit was 100%. Conclusion Our findings showed high diagnostic accuracy of the ELISA test using the developed recombinant protein, which encourages the use of this recombinant multi-epitope protein for rapid serological diagnosis of hydatidosis.Introduction The constantly rising number of skin malignancies and increasing cancer awareness encourage more people to visit outpatient clinics in order to have various skin lesions removed. Despite the fact that scarring is a physiological response to any excision procedure, minimizing the size of it is a goal of every good practitioner. Therefore the question arises whether different techniques used to remove skin lesions may impact the formation and quality of skin scars. Aim To perform an evaluation of skin scars formed by laser and surgical incisions and their influence on lymphatic outflow in rats. Material and methods Five male rats were used. Using methylene blue, the migration of dye through lymphatic channels of the lower extremity was measured. Afterwards, transverse incisions were made distally using laser and a surgical blade. Wounds were left to heal by secondary intention. After 4 weeks dye migration assessment was repeated and tissue samples were obtained for microscopic evaluation. Results Wounds after surgical incisions healed entirely. Wounds after laser treatment had not healed, with a visible area of granulation tissue and hair loss. Significantly worse dye migration was observed in rat extremities after laser therapy than after surgical incision (p = 0.007). Conclusions The results of the study show that the size of the scar can depend on the incision technique used. Larger scars after laser therapy limit the lymphatic flow of the skin, which may have an adverse effect on mapping sentinel lymph nodes. However, this hypothesis requires further research.Introduction Adalimumab and etanercept are drugs used in anti-TNF therapy in patients with psoriasis and psoriatic arthritis. Despite the molecular targeting of these drugs, the loss of pharmacological response to treatment is observed in patients. The development of personalized medicine makes it possible to use not only clinical parameters of disease severity, but also molecular marker systems. Aim The aim of the study was to evaluate the changes in TNF-α, TNFR1, and TNFR2 expression in relation to parameters of disease severity (PASI, BSA, DAS28) in patients treated with adalimumab and etanercept. We have attempted to determine whether changes in the TNF-α, TNFR1, and TNFR2 expression profile may be a useful molecular marker of the therapeutic potential of anti-TNF drugs. Material and methods The study group consisted of 3 patients initially treated with adalimumab, followed by etanercept. The control group included 20 healthy volunteers. The expression profile of TNFR1 and TNFR2 was determined at the mRNA level, while TNF-α expression was evaluated at the transcriptome and proteome levels using the RT-qPCR method (transcriptional activity assay) and MALDI-TOF MS (protein level assessment).
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  • 8). An item on cleaning had low correlation, but its removal does not increase internal consistency (Cα ≥ .83). Results were similar for both studies, with EFA showing a single significant factor (namely "overall satisfaction, lower denture") able to explain nearly 54% of the variance. The 2nd subset also shows strong internal consistency (Cα ≥ .95) and inter-item correlation, with a single factor representing 65% of the variation. Conclusions This study discloses the reliability and construct validity of the MDSQ for patient-centred evaluation of complete dental prostheses in the edentulous mandible. Findings also support the use of both "overall satisfaction" and "masticatory ability" as summary scores, for improved outcome assessment.Persistent fetal occiput posterior (OP) position is a topic of interest with implications for intrapartum management. Although studies report a low incidence of persistent OP position, anecdotal evidence suggests an increase in prevalence given changes in maternal demographics. Clinicians are often familiar with interventions such as position changes and the use of props and a rebozo to address persistent OP position in early labor; however, midwives remain uncomfortable with the techniques of digital and manual rotation. This article reviews current evidence and recommendations for the management of persistent OP position in the second stage of labor. Further research is needed to guide clinicians on the optimal timing and techniques for digital and manual rotation.Since December 2019, coronavirus disease 2019 (COVID‐19) has spread worldwide to become a pandemic. Multiple skin manifestations related to the infection have been described progressively. Recalcati1 asserted that 20.4% of infected patients developed cutaneous manifestations and Galván‐Casas et al2 have recently proposed 5 clinical patterns (pseudo‐chilblain, vesicular, urticarial, maculopapular and livedo/necrosis). We report a case of COVID‐19 with retiform purpura and its histopathological correlation.Objective To investigate whether the use of intrauterine vs. external tocodynamometry (IT vs. ET) during labour reduces operative deliveries and improves newborn outcome. As IT provides more accurate information on labour contractions, the hypothesis was that it may more appropriately guide oxytocin use than ET. Design Randomised controlled trial. Setting Two labour wards, in a university tertiary hospital and a central hospital. Population 1504 parturients with singleton pregnancies, gestational age ≥ 37 weeks and fetus in cephalic position 269 women with uterine scars, 889 nulliparas and 346 parous women with oxytocin augmentation. Methods Participants underwent IT (n=736) or ET (n=768) during the active first stage of labour. Main outcome measures Primary outcome rate of operative deliveries. Secondary outcomes duration of labour, amount of oxytocin given, adverse neonatal outcomes. Results Operative delivery rates were 26.9% (IT) and 25.9% (ET) (OR 1.05, 95% CI 0.84-1.32, P=0.663). The ET to IT conversion rate was 31%. We found no differences in secondary outcomes (IT vs. ET). IT reduced oxytocin use during labours with signs of fetal distress, and TOLAC. Conclusions IT did not reduce the rate of operative deliveries, use of oxytocin, or adverse neonatal outcomes, and it did not shorten labour duration.Objective To describe a postcaruncular approach for transorbital endoscopy as an alternative, minimally invasive technique to access the orbital apex. Study design Ex vivo and prospective clinical case report. Animals A 12-year-old male castrated cocker spaniel and three cadaver heads (one large breed dolichocephalic, one medium-sized breed mesocephalic, and one small breed brachycephalic). Methods Transorbital endoscopy was performed to obtain biopsies of an orbital apex mass by using a postcaruncular approach. A 2.7-mm 30° rigid endoscope fitted with a cystoscope working sheath was used with the aid of a blunt suction-dissector and fluid ingress. This procedure was first performed on three cadavers to assess feasibility and later performed in a clinical case. Results By using a transorbital postcaruncular approach, it was possible to visualize and obtain biopsies from structures within the orbital apex with minimal perioperative morbidity. Dissection and expansion of the working space was facilitated with the aid of fluid ingress; however, judicious use of fluids is recommended because secondary orbital edema and chemosis can occur. https://www.selleckchem.com/products/Docetaxel(Taxotere).html Conclusion Transorbital endoscopy via a postcaruncular approach is feasible. Clinical significance This technique should be considered in cases in which a histological diagnosis is required prior to definitive treatment as a method to obtain biopsy samples of the orbital apex region without major surgical dissection.Background Identifying individuals at risk of developing Parkinson's disease (PD) is critical to define target populations for future neuroprotective trials. Objective The objective of this study was to apply the PREDICT-PD algorithm of risk indicators for PD in a prospective community-based study (the Bruneck study), representative of the general elderly population. Methods PREDICT-PD risk scores were calculated based on risk factor assessments obtained at baseline (2005, n = 574 participants). Cases of incident PD were identified at 5-year and 10-year follow-ups. Participants with PD or secondary parkinsonism at baseline were excluded (n = 35). We analyzed the association of log-transformed risk scores with the presence of well-established markers as surrogates for PD risk at baseline and with incident PD at follow-up. Results A total of 20 participants with incident PD were identified during follow-up (11 after 5 years and 9 after 10 years). Baseline PREDICT-PD risk scores were associated with incident PD with odds ratios of 2.09 (95% confidence interval, 1.35-3.25; P = 0.001) after 5 years and of 1.95 (1.36-2.79; P less then 0.001) after 10 years of follow-up per doubling of risk scores. In addition, higher PREDICT-PD scores were significantly correlated with established PD risk markers (olfactory dysfunction, signs of rapid eye movement sleep behavior disorder and motor deficits) and significantly associated with higher probability for prodromal PD according to the Movement Disorder Society research criteria at baseline. Conclusions The PREDICT-PD score was associated with an increased risk for incident PD in our sample and may represent a useful first screening step in future algorithms aiming to identify cases of prodromal PD. © 2020 The Authors. Movement Disorders published by Wiley Periodicals, Inc. on behalf of International Parkinson and Movement Disorder Society.
    8). An item on cleaning had low correlation, but its removal does not increase internal consistency (Cα ≥ .83). Results were similar for both studies, with EFA showing a single significant factor (namely "overall satisfaction, lower denture") able to explain nearly 54% of the variance. The 2nd subset also shows strong internal consistency (Cα ≥ .95) and inter-item correlation, with a single factor representing 65% of the variation. Conclusions This study discloses the reliability and construct validity of the MDSQ for patient-centred evaluation of complete dental prostheses in the edentulous mandible. Findings also support the use of both "overall satisfaction" and "masticatory ability" as summary scores, for improved outcome assessment.Persistent fetal occiput posterior (OP) position is a topic of interest with implications for intrapartum management. Although studies report a low incidence of persistent OP position, anecdotal evidence suggests an increase in prevalence given changes in maternal demographics. Clinicians are often familiar with interventions such as position changes and the use of props and a rebozo to address persistent OP position in early labor; however, midwives remain uncomfortable with the techniques of digital and manual rotation. This article reviews current evidence and recommendations for the management of persistent OP position in the second stage of labor. Further research is needed to guide clinicians on the optimal timing and techniques for digital and manual rotation.Since December 2019, coronavirus disease 2019 (COVID‐19) has spread worldwide to become a pandemic. Multiple skin manifestations related to the infection have been described progressively. Recalcati1 asserted that 20.4% of infected patients developed cutaneous manifestations and Galván‐Casas et al2 have recently proposed 5 clinical patterns (pseudo‐chilblain, vesicular, urticarial, maculopapular and livedo/necrosis). We report a case of COVID‐19 with retiform purpura and its histopathological correlation.Objective To investigate whether the use of intrauterine vs. external tocodynamometry (IT vs. ET) during labour reduces operative deliveries and improves newborn outcome. As IT provides more accurate information on labour contractions, the hypothesis was that it may more appropriately guide oxytocin use than ET. Design Randomised controlled trial. Setting Two labour wards, in a university tertiary hospital and a central hospital. Population 1504 parturients with singleton pregnancies, gestational age ≥ 37 weeks and fetus in cephalic position 269 women with uterine scars, 889 nulliparas and 346 parous women with oxytocin augmentation. Methods Participants underwent IT (n=736) or ET (n=768) during the active first stage of labour. Main outcome measures Primary outcome rate of operative deliveries. Secondary outcomes duration of labour, amount of oxytocin given, adverse neonatal outcomes. Results Operative delivery rates were 26.9% (IT) and 25.9% (ET) (OR 1.05, 95% CI 0.84-1.32, P=0.663). The ET to IT conversion rate was 31%. We found no differences in secondary outcomes (IT vs. ET). IT reduced oxytocin use during labours with signs of fetal distress, and TOLAC. Conclusions IT did not reduce the rate of operative deliveries, use of oxytocin, or adverse neonatal outcomes, and it did not shorten labour duration.Objective To describe a postcaruncular approach for transorbital endoscopy as an alternative, minimally invasive technique to access the orbital apex. Study design Ex vivo and prospective clinical case report. Animals A 12-year-old male castrated cocker spaniel and three cadaver heads (one large breed dolichocephalic, one medium-sized breed mesocephalic, and one small breed brachycephalic). Methods Transorbital endoscopy was performed to obtain biopsies of an orbital apex mass by using a postcaruncular approach. A 2.7-mm 30° rigid endoscope fitted with a cystoscope working sheath was used with the aid of a blunt suction-dissector and fluid ingress. This procedure was first performed on three cadavers to assess feasibility and later performed in a clinical case. Results By using a transorbital postcaruncular approach, it was possible to visualize and obtain biopsies from structures within the orbital apex with minimal perioperative morbidity. Dissection and expansion of the working space was facilitated with the aid of fluid ingress; however, judicious use of fluids is recommended because secondary orbital edema and chemosis can occur. https://www.selleckchem.com/products/Docetaxel(Taxotere).html Conclusion Transorbital endoscopy via a postcaruncular approach is feasible. Clinical significance This technique should be considered in cases in which a histological diagnosis is required prior to definitive treatment as a method to obtain biopsy samples of the orbital apex region without major surgical dissection.Background Identifying individuals at risk of developing Parkinson's disease (PD) is critical to define target populations for future neuroprotective trials. Objective The objective of this study was to apply the PREDICT-PD algorithm of risk indicators for PD in a prospective community-based study (the Bruneck study), representative of the general elderly population. Methods PREDICT-PD risk scores were calculated based on risk factor assessments obtained at baseline (2005, n = 574 participants). Cases of incident PD were identified at 5-year and 10-year follow-ups. Participants with PD or secondary parkinsonism at baseline were excluded (n = 35). We analyzed the association of log-transformed risk scores with the presence of well-established markers as surrogates for PD risk at baseline and with incident PD at follow-up. Results A total of 20 participants with incident PD were identified during follow-up (11 after 5 years and 9 after 10 years). Baseline PREDICT-PD risk scores were associated with incident PD with odds ratios of 2.09 (95% confidence interval, 1.35-3.25; P = 0.001) after 5 years and of 1.95 (1.36-2.79; P less then 0.001) after 10 years of follow-up per doubling of risk scores. In addition, higher PREDICT-PD scores were significantly correlated with established PD risk markers (olfactory dysfunction, signs of rapid eye movement sleep behavior disorder and motor deficits) and significantly associated with higher probability for prodromal PD according to the Movement Disorder Society research criteria at baseline. Conclusions The PREDICT-PD score was associated with an increased risk for incident PD in our sample and may represent a useful first screening step in future algorithms aiming to identify cases of prodromal PD. © 2020 The Authors. Movement Disorders published by Wiley Periodicals, Inc. on behalf of International Parkinson and Movement Disorder Society.
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  • Válaszadóink határozott véleménye szerint az esetleges előítéletesség nem vezet a mindenki számára hozzáférhetőnél rosszabb ellátáshoz, sőt gyakran inkább pozitív diszkrimináció valósul meg. Az előítéletesség közvetlenül nem vezet rosszabb egészségi állapothoz, az azonban nem zárható ki, hogy közvetve hozzájárulhat, amennyiben a beteg egy korábban megélt vagy vélt negatív tapasztalat miatt a későbbiekben nem fordul időben orvoshoz. Következtetés Felméréseink megerősítették a romák iránti előítéletesség alkalomszerű jelenlétét a hazai egészségügyi ellátórendszerben, vizsgálatunk alapján azonban a roma populáció rosszabb egészségi mutatóihoz ez kevéssé járul hozzá. Eredményeink felhívták a figyelmet arra is, hogy a megelőzés szempontjából kulcsfontosságú mindkét fél edukációja, valamint az ellátók kiégésprevenciója. Orv Hetil. 2020; 161(19) 789–796.in English, Hungarian Bevezetés 2020. március végén a SARS-CoV-2-vírusfertőzöttség (COVID–19-betegség) diagnosztizálására megjelentek Magyarországon a vírussal szembeni specifikus antitestek jelenlétét kimutató gyorstesztek. Célkitűzés Munkánkban két gyorsteszt, az Anhui és a Clungene teszt diagnosztikai teljesítményét értékeltük a fertőzés kimutatásában arany standardnak számító ’real-time’ (valós idejű) PCR (a továbbiakban PCR) vizsgálati eredmények alapján. Módszer 2020. március 16. https://www.selleckchem.com/products/mizagliflozin.html és április 14. között intézetünk 20 120, COVID–19-fertőzéssel kapcsolatos rekordot küldött be az országos adatszolgáltató rendszeren keresztül. Ebben 4140 személynél csak IgM és IgG jelenlétét kimutató gyorstesztvizsgálat történt; 3210 személynél csak PCR-teszt, 1654 személynél pedig PCR- és gyorstesztvizsgálat (Anhui 625, Clungene 1029) végzésére maximum 3 nap eltéréssel is sor került. PCR-pozitívnak azt a személyt tekintettük, akinél bármikor PCR-pozitivitás fordult elő, illetve antitestpozitívnak azt, akinél IgM- és/vagy IgG és IgG-antitesteket kimutató – gyorstesztek alkalmazása a COVID–19-fertőzés differenciáldiagnosztikájában szakmailag vállalhatatlan. Orv Hetil. 2020; 161(20) 807–812.in English, Hungarian Az emésztőrendszer megfelelő működése nélkülözhetetlen a tápanyagtranszporthoz, a felszívódáshoz, az emésztéshez és a salakanyagok kiürítéséhez, de ezenfelül fontos feladata van a patogénekkel, allergénekkel és toxinokkal szembeni védelemben és a bélrendszer homeosztázisának fenntartásában. Ezeknek a feladatoknak a koordinációját a bél ideg- és immunrendszere szoros együttműködésben végzi a belső és külső környezethez való folyamatos alkalmazkodás révén. A bél élőhelyet és tápanyagokat szolgáltat a benne élő mikroorganizmusok számára, amelyek jelentős hatással vannak a tápcsatorna fejlődésére és annak funkcionális működésére. A bélcsatorna és a benne élő mikroorganizmusok közösen végzik el az emésztést, s látják el az immun-, neuroendokrin és ingerületátviteli funkciókat. Ezt az egymással morfofunkcionálisan együttműködő struktúrát hívjuk mikrobiom–bél–agy-tengelynek, melynek kiindulópontját az enteralis idegrendszer és a bél mononukleáris sejtjei között fennálló neuroimmunológiai interakciók szolgáltatják. Összefoglaló közleményünkben ennek a fellendülő tudományterületnek a legfontosabb és legfrissebb eredményeiről, aktuális kutatási témáiról számolunk be, kiegészítve azzal, hogy milyen klinikai vonatkozásai lehetnek a jövő orvoslásában a bél–agy-tengely patológiás működésének és a bélflóra megváltozásának. Orv Hetil. 2020; 161(19) 771–779.Chronic maxillary atelectasis (CMA) is a progressive alteration in the volume of the maxillary sinuses that may result in facial asymmetry. CMA in asymptomatic patients is known as silent sinus syndrome (SSS) and is a rare entity, especially in pediatric patients. This study reports a case of SSS in a pediatric patient who received an early diagnosis through cone-beam computed tomography (CBCT). An asymptomatic 12-year-old female patient in orthodontic treatment presented with opacification of the left maxillary sinus on a panoramic radiograph. Clinically, the patient had discrete hypoglobus and enophthalmos. CBCT and nasal video-endoscopy revealed ostiomeatal obstruction with bone deformity, leading to diagnosis of SSS. Endonasal endoscopic maxillary sinusotomy was performed. Two years later, the patient remained asymptomatic, and a second CBCT exam confirmed a stable condition. This case highlights the role of optimal radiographic interpretation for early diagnosis of maxillofacial alterations in pediatric patients.We present a case of osteoradionecrosis treated with leukocyte- and platelet-rich fibrin (LPRF) and surgery and followed up with clinical and tomographic investigations. A 65-year-old woman presented with pain in the posterior region of the right palate. Her medical history included cardiovascular disease and squamous cell carcinoma in the anterior region of the floor of the mouth that had been treated with intensity-modulated radiation therapy. Measurements of isodose curves showed a full dosage of 6,462.6 cGy in the anterior mandibular region, whereas that in the posterior region on the right side of the maxilla reached 5,708.1 cGy. Osteotomy was performed using rotary instruments, and debridement and placement of two LPRF membranes were also carried out. New gum tissue with no bone exposure was noted 14 days postoperatively. Tissue repair was complete, and the patient had no further complaints. During a 39-month follow-up period, the oral mucosa remained intact, and the patient was rehabilitated with a new upper denture. Since there is no consensus regarding the best protocol to treat osteoradionecrosis, LPRF might be an interesting adjuvant to a surgical approach. The use of LPRF is simple and reduces operational costs, time of handling, probability of technical failure, and associated morbidities for patients with osteoradionecrosis.
    Válaszadóink határozott véleménye szerint az esetleges előítéletesség nem vezet a mindenki számára hozzáférhetőnél rosszabb ellátáshoz, sőt gyakran inkább pozitív diszkrimináció valósul meg. Az előítéletesség közvetlenül nem vezet rosszabb egészségi állapothoz, az azonban nem zárható ki, hogy közvetve hozzájárulhat, amennyiben a beteg egy korábban megélt vagy vélt negatív tapasztalat miatt a későbbiekben nem fordul időben orvoshoz. Következtetés Felméréseink megerősítették a romák iránti előítéletesség alkalomszerű jelenlétét a hazai egészségügyi ellátórendszerben, vizsgálatunk alapján azonban a roma populáció rosszabb egészségi mutatóihoz ez kevéssé járul hozzá. Eredményeink felhívták a figyelmet arra is, hogy a megelőzés szempontjából kulcsfontosságú mindkét fél edukációja, valamint az ellátók kiégésprevenciója. Orv Hetil. 2020; 161(19) 789–796.in English, Hungarian Bevezetés 2020. március végén a SARS-CoV-2-vírusfertőzöttség (COVID–19-betegség) diagnosztizálására megjelentek Magyarországon a vírussal szembeni specifikus antitestek jelenlétét kimutató gyorstesztek. Célkitűzés Munkánkban két gyorsteszt, az Anhui és a Clungene teszt diagnosztikai teljesítményét értékeltük a fertőzés kimutatásában arany standardnak számító ’real-time’ (valós idejű) PCR (a továbbiakban PCR) vizsgálati eredmények alapján. Módszer 2020. március 16. https://www.selleckchem.com/products/mizagliflozin.html és április 14. között intézetünk 20 120, COVID–19-fertőzéssel kapcsolatos rekordot küldött be az országos adatszolgáltató rendszeren keresztül. Ebben 4140 személynél csak IgM és IgG jelenlétét kimutató gyorstesztvizsgálat történt; 3210 személynél csak PCR-teszt, 1654 személynél pedig PCR- és gyorstesztvizsgálat (Anhui 625, Clungene 1029) végzésére maximum 3 nap eltéréssel is sor került. PCR-pozitívnak azt a személyt tekintettük, akinél bármikor PCR-pozitivitás fordult elő, illetve antitestpozitívnak azt, akinél IgM- és/vagy IgG és IgG-antitesteket kimutató – gyorstesztek alkalmazása a COVID–19-fertőzés differenciáldiagnosztikájában szakmailag vállalhatatlan. Orv Hetil. 2020; 161(20) 807–812.in English, Hungarian Az emésztőrendszer megfelelő működése nélkülözhetetlen a tápanyagtranszporthoz, a felszívódáshoz, az emésztéshez és a salakanyagok kiürítéséhez, de ezenfelül fontos feladata van a patogénekkel, allergénekkel és toxinokkal szembeni védelemben és a bélrendszer homeosztázisának fenntartásában. Ezeknek a feladatoknak a koordinációját a bél ideg- és immunrendszere szoros együttműködésben végzi a belső és külső környezethez való folyamatos alkalmazkodás révén. A bél élőhelyet és tápanyagokat szolgáltat a benne élő mikroorganizmusok számára, amelyek jelentős hatással vannak a tápcsatorna fejlődésére és annak funkcionális működésére. A bélcsatorna és a benne élő mikroorganizmusok közösen végzik el az emésztést, s látják el az immun-, neuroendokrin és ingerületátviteli funkciókat. Ezt az egymással morfofunkcionálisan együttműködő struktúrát hívjuk mikrobiom–bél–agy-tengelynek, melynek kiindulópontját az enteralis idegrendszer és a bél mononukleáris sejtjei között fennálló neuroimmunológiai interakciók szolgáltatják. Összefoglaló közleményünkben ennek a fellendülő tudományterületnek a legfontosabb és legfrissebb eredményeiről, aktuális kutatási témáiról számolunk be, kiegészítve azzal, hogy milyen klinikai vonatkozásai lehetnek a jövő orvoslásában a bél–agy-tengely patológiás működésének és a bélflóra megváltozásának. Orv Hetil. 2020; 161(19) 771–779.Chronic maxillary atelectasis (CMA) is a progressive alteration in the volume of the maxillary sinuses that may result in facial asymmetry. CMA in asymptomatic patients is known as silent sinus syndrome (SSS) and is a rare entity, especially in pediatric patients. This study reports a case of SSS in a pediatric patient who received an early diagnosis through cone-beam computed tomography (CBCT). An asymptomatic 12-year-old female patient in orthodontic treatment presented with opacification of the left maxillary sinus on a panoramic radiograph. Clinically, the patient had discrete hypoglobus and enophthalmos. CBCT and nasal video-endoscopy revealed ostiomeatal obstruction with bone deformity, leading to diagnosis of SSS. Endonasal endoscopic maxillary sinusotomy was performed. Two years later, the patient remained asymptomatic, and a second CBCT exam confirmed a stable condition. This case highlights the role of optimal radiographic interpretation for early diagnosis of maxillofacial alterations in pediatric patients.We present a case of osteoradionecrosis treated with leukocyte- and platelet-rich fibrin (LPRF) and surgery and followed up with clinical and tomographic investigations. A 65-year-old woman presented with pain in the posterior region of the right palate. Her medical history included cardiovascular disease and squamous cell carcinoma in the anterior region of the floor of the mouth that had been treated with intensity-modulated radiation therapy. Measurements of isodose curves showed a full dosage of 6,462.6 cGy in the anterior mandibular region, whereas that in the posterior region on the right side of the maxilla reached 5,708.1 cGy. Osteotomy was performed using rotary instruments, and debridement and placement of two LPRF membranes were also carried out. New gum tissue with no bone exposure was noted 14 days postoperatively. Tissue repair was complete, and the patient had no further complaints. During a 39-month follow-up period, the oral mucosa remained intact, and the patient was rehabilitated with a new upper denture. Since there is no consensus regarding the best protocol to treat osteoradionecrosis, LPRF might be an interesting adjuvant to a surgical approach. The use of LPRF is simple and reduces operational costs, time of handling, probability of technical failure, and associated morbidities for patients with osteoradionecrosis.
    0 التعليقات 0 المشاركات 132 مشاهدة 0 معاينة

  • Tumor growth, gene mutation status, as well as protein and protein-phosphoprotein changes, were analyzed. RESULTS 100% of the 15 PDX tumors exhibited significant growth inhibition either in response to KRT-232 alone or in combination with BRAF and/or MEK inhibitors. Only BRAFV600wt tumors responded to KRT-232 treatment alone while BRAFV600E/M PDXs exhibited a synergistic response to the combination of KRT-232 and BRAF/MEK inhibitors. CONCLUSIONS KRT-232 is an effective therapy for the treatment of either BRAFwt or PANwt (BRAFwt, NRASwt) TP53WT melanomas. In combination with BRAF and/or MEK inhibitors, KRT-232 may an effective treatment strategy for BRAFV600 mutant tumors. Copyright ©2020, American Association for Cancer Research.Poly-ADP-ribose-polymerase inhibitors (PARPi) are promising in BRCA2-altered prostate cancer. Data were presented on PARPi efficacy in prostate cancers with alterations in other DNA damage repair genes which suggest low response rates in ATM-, CHEK2-, CDK12-altered tumors and promising results in PALB2-, RAD51B-, FANCA-, and BRIP1-altered tumors. Copyright ©2020, American Association for Cancer Research.PURPOSE Pancreatic ductal adenocarcinoma (PDAC) is a lethal disease with dismal survival rates. Tumor microenvironment (TME), comprising of immune cells and cancer-associated fibroblasts, plays a key role in driving poor prognosis and resistance to chemotherapy. Herein, we aimed to identify a TME-associated, risk-stratification gene biomarker signature in PDAC. EXPERIMENTAL DESIGN The initial biomarker discovery was performed in The Cancer Genome Atlas (TCGA, n=163) transcriptomic data. This was followed by independent validation of the gene signature in The International Cancer Genome Consortium (ICGC, n=95), E-MTAB-6134 (n=288), and GSE71729 (n=123) datasets for predicting overall survival (OS), and for its ability to detect poor molecular subtypes. Clinical validation and nomogram establishment was undertaken by performing multivariate cox regression analysis. RESULTS Our biomarker discovery effort identified a 15-gene immune, stromal and proliferation (ISP) gene signature that significantly associated with poor OS (HR 3.90, 95% CI, 2.36-6.41, p less then 0.0001). This signature also robustly predicted survival in 3 independent validation cohorts ICGC (HR2.63 [1.56-4.41], p less then 0.0001), E-MTAB-6134 (HR1.53 [1.14-2.04], p=0.004), and GSE71729 (HR2.33 [1.49-3.63], p less then 0.0001). Interestingly, the ISP signature also permitted identification of poor molecular PDAC subtypes with excellent accuracy in all 4 cohorts; TCGA (AUC=0.94), ICGC (AUC=0.91), E-MTAB-6134 (AUC=0.80), and GSE71729 (AUC=0.83). The ISP-derived high-risk patients exhibited significantly poor OS in a clinical validation cohort (n=119; HR2.62 [1.50-4.56], p=0.0004). A nomogram was established which included the ISP, CA19-9, T and N-stage for eventual clinical translation. CONCLUSIONS We report a novel gene signature for risk-stratification and robust identification of PDAC patients with poor molecular subtypes. Copyright ©2020, American Association for Cancer Research.PURPOSE We performed next-generation sequencing (NGS) in the CONKO-001 phase-3 trial to identify clinically relevant prognostic and predictive mutations and conducted a functional validation in TCGA sequencing data. PATIENTS AND METHODS Patients of the CONKO-001 trial received curatively intended surgery for pancreatic adenocarcinoma (PDAC) followed by adjuvant chemotherapy with gemcitabine (Gem) or observation only (Obs). Tissue samples of 101 patients were evaluated by NGS of 37 genes. Cox proportional hazard models were applied for survival analysis. Additionally, functional genomic analyses were performed in an NGS and RNASeq dataset of 146 pancreatic tumors from The Cancer Genome Atlas (TCGA). RESULTS The most common mutations in the CONKO-cohort were KRAS (75%), TP53 (60%), SMAD4 (10%), CDKNA2 (9%), as well as SWI/SNF (12%) complex alterations. In untreated patients, TP53 mutations were a negative prognostic factor for DFS (HR *** vs. https://www.selleckchem.com/products/cvn293.html WT 2.434, p=0.005). In Gem treated patients, TP53 mutations were a positive predictive factor for gemcitabine efficacy (TP53mut HR for DFS Gem vs Obs 0.235 (0.130 - 0.423; p less then 0.001); TP53wt HR for DFS Gem vs Obs 0.794 (0.417 - 1.513; p = 0.483) with a significant test for interaction (p=0.003). In the TCGA dataset, TP53 mutations were associated with shortened DFS. CONCLUSION In CONKO-001, the benefit from adjuvant gemcitabine was confined to the TP53mut patient group. This potentially clinical relevant observation needs to be confirmed in independent prospective studies. The sensitivity of TP53mut PDAC to gemcitabine in CONKO-001 provides a lead for further mechanistic investigations. Copyright ©2020, American Association for Cancer Research.PURPOSE Fulvestrant, the first-in-class selective estrogen receptor (ER) degrader (SERD), is clinically effective in patients with ER+ breast cancer, but it has administration and pharmacokinetic (PK) limitations. Pharmacodynamic (PD) data suggests complete ER degradation is not achieved at fulvestrant's clinically feasible dose. This pre-surgical study (NCT03236974) compared the PD effects of fulvestrant with AZD9496, a novel, orally bioavailable, non‑steroidal, potent SERD, in treatment‑naive patients with ER+ human epidermal growth factor receptor 2 negative primary breast cancer awaiting curative intent surgery. METHODS Patients were randomized 11 to receive AZD9496 250 mg twice daily from Day (D) 1 for 5-14 days, or fulvestrant 500 mg on D 1. On-treatment imaging‑guided core tumor biopsies were taken between D 5-14 and compared with pre‑treatment diagnostic biopsies. The primary objective was to compare the effects of AZD9496 and fulvestrant on ER expression. Secondary objectives included changes in progesterone receptor (PR) and Ki-67 PK/PD relationships and safety. RESULTS Forty-six women received treatment (AZD9496 n=22; fulvestrant n=24); 35 paired biopsies were evaluable (AZD9496 n=15; fulvestrant n=20). The least square mean estimate for ER H-score reduction was 24% after AZD9496 versus 36% after fulvestrant treatment (p=0.86). AZD9496 also reduced PR H-scores (-33.3%) and Ki‑67 levels (-39.9%) from baseline, but was also not superior to fulvestrant (PR -68.7%, p=0.97; Ki‑67 ‑75.4%, p=0.98). No new safety findings were identified. CONCLUSION This was the first pre‑surgical study to demonstrate that an oral SERD impacts its key biological targets. However, AZD9496 was not superior to fulvestrant at the dose tested. Copyright ©2020, American Association for Cancer Research.
    Tumor growth, gene mutation status, as well as protein and protein-phosphoprotein changes, were analyzed. RESULTS 100% of the 15 PDX tumors exhibited significant growth inhibition either in response to KRT-232 alone or in combination with BRAF and/or MEK inhibitors. Only BRAFV600wt tumors responded to KRT-232 treatment alone while BRAFV600E/M PDXs exhibited a synergistic response to the combination of KRT-232 and BRAF/MEK inhibitors. CONCLUSIONS KRT-232 is an effective therapy for the treatment of either BRAFwt or PANwt (BRAFwt, NRASwt) TP53WT melanomas. In combination with BRAF and/or MEK inhibitors, KRT-232 may an effective treatment strategy for BRAFV600 mutant tumors. Copyright ©2020, American Association for Cancer Research.Poly-ADP-ribose-polymerase inhibitors (PARPi) are promising in BRCA2-altered prostate cancer. Data were presented on PARPi efficacy in prostate cancers with alterations in other DNA damage repair genes which suggest low response rates in ATM-, CHEK2-, CDK12-altered tumors and promising results in PALB2-, RAD51B-, FANCA-, and BRIP1-altered tumors. Copyright ©2020, American Association for Cancer Research.PURPOSE Pancreatic ductal adenocarcinoma (PDAC) is a lethal disease with dismal survival rates. Tumor microenvironment (TME), comprising of immune cells and cancer-associated fibroblasts, plays a key role in driving poor prognosis and resistance to chemotherapy. Herein, we aimed to identify a TME-associated, risk-stratification gene biomarker signature in PDAC. EXPERIMENTAL DESIGN The initial biomarker discovery was performed in The Cancer Genome Atlas (TCGA, n=163) transcriptomic data. This was followed by independent validation of the gene signature in The International Cancer Genome Consortium (ICGC, n=95), E-MTAB-6134 (n=288), and GSE71729 (n=123) datasets for predicting overall survival (OS), and for its ability to detect poor molecular subtypes. Clinical validation and nomogram establishment was undertaken by performing multivariate cox regression analysis. RESULTS Our biomarker discovery effort identified a 15-gene immune, stromal and proliferation (ISP) gene signature that significantly associated with poor OS (HR 3.90, 95% CI, 2.36-6.41, p less then 0.0001). This signature also robustly predicted survival in 3 independent validation cohorts ICGC (HR2.63 [1.56-4.41], p less then 0.0001), E-MTAB-6134 (HR1.53 [1.14-2.04], p=0.004), and GSE71729 (HR2.33 [1.49-3.63], p less then 0.0001). Interestingly, the ISP signature also permitted identification of poor molecular PDAC subtypes with excellent accuracy in all 4 cohorts; TCGA (AUC=0.94), ICGC (AUC=0.91), E-MTAB-6134 (AUC=0.80), and GSE71729 (AUC=0.83). The ISP-derived high-risk patients exhibited significantly poor OS in a clinical validation cohort (n=119; HR2.62 [1.50-4.56], p=0.0004). A nomogram was established which included the ISP, CA19-9, T and N-stage for eventual clinical translation. CONCLUSIONS We report a novel gene signature for risk-stratification and robust identification of PDAC patients with poor molecular subtypes. Copyright ©2020, American Association for Cancer Research.PURPOSE We performed next-generation sequencing (NGS) in the CONKO-001 phase-3 trial to identify clinically relevant prognostic and predictive mutations and conducted a functional validation in TCGA sequencing data. PATIENTS AND METHODS Patients of the CONKO-001 trial received curatively intended surgery for pancreatic adenocarcinoma (PDAC) followed by adjuvant chemotherapy with gemcitabine (Gem) or observation only (Obs). Tissue samples of 101 patients were evaluated by NGS of 37 genes. Cox proportional hazard models were applied for survival analysis. Additionally, functional genomic analyses were performed in an NGS and RNASeq dataset of 146 pancreatic tumors from The Cancer Genome Atlas (TCGA). RESULTS The most common mutations in the CONKO-cohort were KRAS (75%), TP53 (60%), SMAD4 (10%), CDKNA2 (9%), as well as SWI/SNF (12%) complex alterations. In untreated patients, TP53 mutations were a negative prognostic factor for DFS (HR mut vs. https://www.selleckchem.com/products/cvn293.html WT 2.434, p=0.005). In Gem treated patients, TP53 mutations were a positive predictive factor for gemcitabine efficacy (TP53mut HR for DFS Gem vs Obs 0.235 (0.130 - 0.423; p less then 0.001); TP53wt HR for DFS Gem vs Obs 0.794 (0.417 - 1.513; p = 0.483) with a significant test for interaction (p=0.003). In the TCGA dataset, TP53 mutations were associated with shortened DFS. CONCLUSION In CONKO-001, the benefit from adjuvant gemcitabine was confined to the TP53mut patient group. This potentially clinical relevant observation needs to be confirmed in independent prospective studies. The sensitivity of TP53mut PDAC to gemcitabine in CONKO-001 provides a lead for further mechanistic investigations. Copyright ©2020, American Association for Cancer Research.PURPOSE Fulvestrant, the first-in-class selective estrogen receptor (ER) degrader (SERD), is clinically effective in patients with ER+ breast cancer, but it has administration and pharmacokinetic (PK) limitations. Pharmacodynamic (PD) data suggests complete ER degradation is not achieved at fulvestrant's clinically feasible dose. This pre-surgical study (NCT03236974) compared the PD effects of fulvestrant with AZD9496, a novel, orally bioavailable, non‑steroidal, potent SERD, in treatment‑naive patients with ER+ human epidermal growth factor receptor 2 negative primary breast cancer awaiting curative intent surgery. METHODS Patients were randomized 11 to receive AZD9496 250 mg twice daily from Day (D) 1 for 5-14 days, or fulvestrant 500 mg on D 1. On-treatment imaging‑guided core tumor biopsies were taken between D 5-14 and compared with pre‑treatment diagnostic biopsies. The primary objective was to compare the effects of AZD9496 and fulvestrant on ER expression. Secondary objectives included changes in progesterone receptor (PR) and Ki-67 PK/PD relationships and safety. RESULTS Forty-six women received treatment (AZD9496 n=22; fulvestrant n=24); 35 paired biopsies were evaluable (AZD9496 n=15; fulvestrant n=20). The least square mean estimate for ER H-score reduction was 24% after AZD9496 versus 36% after fulvestrant treatment (p=0.86). AZD9496 also reduced PR H-scores (-33.3%) and Ki‑67 levels (-39.9%) from baseline, but was also not superior to fulvestrant (PR -68.7%, p=0.97; Ki‑67 ‑75.4%, p=0.98). No new safety findings were identified. CONCLUSION This was the first pre‑surgical study to demonstrate that an oral SERD impacts its key biological targets. However, AZD9496 was not superior to fulvestrant at the dose tested. Copyright ©2020, American Association for Cancer Research.
    0 التعليقات 0 المشاركات 84 مشاهدة 0 معاينة

  • 05) in the simulated proximal and distal colon. These changes in terms of fermentative metabolites could be linked to specific microbial alterations at the family level, such as the specific stimulation of the propionate-producing families Porphyromonadaceae and Prevotellaceae upon in vitro exposure to the S. cerevisiae-based product. Other consistent changes in community composition upon repeated exposure included the decrease in the Enterobacteriaceae and the Fusobacteriaceae families, which both contain several potentially opportunistic pathogens. Altogether, the generated data support a possible health-promoting role of a product high in β-glucans and MOS when supplemented to the dogs' diet.Background The factors driving the best outcomes following minimally invasive surgery (MIS) for grade 1 degenerative lumbar spondylolisthesis are not clearly elucidated. Objective To investigate the factors that drive the best 24-mo patient-reported outcomes (PRO) following MIS surgery for grade 1 degenerative lumbar spondylolisthesis. Methods A total of 259 patients from the Quality Outcomes Database lumbar spondylolisthesis module underwent single-level surgery for degenerative grade 1 lumbar spondylolisthesis with MIS techniques (188 fusions, 72.6%). Twenty-four-month follow-up PROs were collected and included the Oswestry disability index (ODI) change (ie, 24-mo minus baseline value), numeric rating scale (NRS) **** pain change, NRS leg pain change, EuroQoL-5D (EQ-5D) questionnaire change, and North American Spine Society (NASS) satisfaction questionnaire. Multivariable models were constructed to identify predictors of PRO change. Results The mean age was 64.2 ± 11.5 yr and consisted of 148 (57.1%) women improvement and satisfaction.Background In treating glioblastoma, irradiation of the neural progenitor cell (NPC) niches is controversial. Lower hippocampal doses may limit neurocognitive toxicity, but higher doses to the subventricular zones (SVZ) may improve survival. Objective To prospectively evaluate the impact of limiting radiation dose to the NPC niches on tumor progression, survival, and cognition in patients with glioblastoma. Methods Patients with glioblastoma received resection followed by standard chemoradiation. Radiation dose to the NPC niches, including the bilateral hippocampi and SVZ, was minimized without compromising tumor coverage. The primary outcome was tumor progression in the spared NPC niches. Follow-up magnetic resonance imaging was obtained bimonthly. Neurocognitive testing was performed before treatment and at 6- and 12-mo follow-up. Cox regression evaluated predictors of overall and progression-free survival. Linear regression evaluated predictors of neurocognitive decline. Results A total of 30 patients enrolled prospectively. The median age was 58 yr. Median mean doses to the hippocampi and SVZ were 49.1 and 41.8 gray (Gy) ipsilaterally, and 16.5 and 19.9 Gy contralaterally. Median times to death and tumor progression were 16.0 and 7.6 mo, and were not significantly different compared to a matched historical control. No patients experienced tumor progression in the spared NPC-containing regions. Overall survival was associated with neurocognitive function (P ≤ .03) but not dose to the NPC niches. Higher doses to the hippocampi and SVZ predicted greater decline in verbal memory (P ≤ .01). Conclusion In treating glioblastoma, limiting dose to the NPC niches may reduce cognitive toxicity while maintaining clinical outcomes. Further studies are needed to confirm these results.Biomass and grain yield are important agronomic traits in sorghum (Sorghum bicolor); however, the molecular mechanisms that regulate these traits are not well understood. Here, we characterized the sorghum biomass yield 1 (by1) mutant, which displays a dramatically altered phenotype, including reduced plant height, narrow stems, erect and narrow leaves, and abnormal floral organs. Histological analysis suggested that the phenotypic defects of by1 are mainly caused by inhibited cell elongation and abnormal floral organ development. Map-based cloning revealed that BY1 encodes a 3-deoxy-D-arabino-heptulosonate-7-phosphate synthase (DAHPS) that catalyzes the first step of the shikimate pathway. BY1 is localized in chloroplasts and is ubiquitously distributed in various organs, particularly roots, stems, leaves, and panicles, which is consistent with its role in biomass production and grain yield. https://www.selleckchem.com/products/rgd-arg-gly-asp-peptides.html Transcriptome analysis and metabolic profiling revealed that BY1 is involved in primary metabolism and affects the biosynthesis of various secondary metabolites, especially flavonoids. Taken together, these findings demonstrate that BY1 affects biomass and grain yield in sorghum by regulating primary and secondary metabolism via the shikimate pathway, and provide important insights into the relationship between plant development and metabolism.Introduction Research on long-term outcomes of children exposed to inflammatory bowel disease (IBD) in utero is lacking. Maternal inflammation, IBD medications or other factors may increase the risk of developmental disabilities in the offspring. Methods We used the Danish National Birth Cohort, an ongoing prospective study that includes 100,419 pregnancies of 92,274 women, in conjunction with the Danish National Registries, to evaluate cognitive and motor development of the children of women with and without IBD. We analyzed basic measures of childhood development at 6-month and 18-month interviews with the mother and with validated questionnaires filled out by the parents when the child was 7 years old. We adjusted for multiple confounders, including preterm birth. Results At 6 months, we included 484 children of women with IBD and 69,571 unexposed children; at 18 months, 471 exposed and 66,018 unexposed; at 7 years, 391 exposed and 54,356 unexposed. At 18 months, exposed children were significantly less likely to "use word-like sounds" but there was no difference between use of "sentences of 2 words." At 6 and 18 months, there were no other obvious differences in language and motor development. At 7 years, cognitive scores (emotional, conduct, hyperactivity, peer and social scores) and motor development (gross/fine motor skills and general coordination) were similar between the two groups. Conclusions Children exposed to IBD in utero and unexposed children scored similarly on survey-based tools assessing basic measures of neurodevelopment over 7 years. These results are reassuring for current and future parents with IBD.
    05) in the simulated proximal and distal colon. These changes in terms of fermentative metabolites could be linked to specific microbial alterations at the family level, such as the specific stimulation of the propionate-producing families Porphyromonadaceae and Prevotellaceae upon in vitro exposure to the S. cerevisiae-based product. Other consistent changes in community composition upon repeated exposure included the decrease in the Enterobacteriaceae and the Fusobacteriaceae families, which both contain several potentially opportunistic pathogens. Altogether, the generated data support a possible health-promoting role of a product high in β-glucans and MOS when supplemented to the dogs' diet.Background The factors driving the best outcomes following minimally invasive surgery (MIS) for grade 1 degenerative lumbar spondylolisthesis are not clearly elucidated. Objective To investigate the factors that drive the best 24-mo patient-reported outcomes (PRO) following MIS surgery for grade 1 degenerative lumbar spondylolisthesis. Methods A total of 259 patients from the Quality Outcomes Database lumbar spondylolisthesis module underwent single-level surgery for degenerative grade 1 lumbar spondylolisthesis with MIS techniques (188 fusions, 72.6%). Twenty-four-month follow-up PROs were collected and included the Oswestry disability index (ODI) change (ie, 24-mo minus baseline value), numeric rating scale (NRS) back pain change, NRS leg pain change, EuroQoL-5D (EQ-5D) questionnaire change, and North American Spine Society (NASS) satisfaction questionnaire. Multivariable models were constructed to identify predictors of PRO change. Results The mean age was 64.2 ± 11.5 yr and consisted of 148 (57.1%) women improvement and satisfaction.Background In treating glioblastoma, irradiation of the neural progenitor cell (NPC) niches is controversial. Lower hippocampal doses may limit neurocognitive toxicity, but higher doses to the subventricular zones (SVZ) may improve survival. Objective To prospectively evaluate the impact of limiting radiation dose to the NPC niches on tumor progression, survival, and cognition in patients with glioblastoma. Methods Patients with glioblastoma received resection followed by standard chemoradiation. Radiation dose to the NPC niches, including the bilateral hippocampi and SVZ, was minimized without compromising tumor coverage. The primary outcome was tumor progression in the spared NPC niches. Follow-up magnetic resonance imaging was obtained bimonthly. Neurocognitive testing was performed before treatment and at 6- and 12-mo follow-up. Cox regression evaluated predictors of overall and progression-free survival. Linear regression evaluated predictors of neurocognitive decline. Results A total of 30 patients enrolled prospectively. The median age was 58 yr. Median mean doses to the hippocampi and SVZ were 49.1 and 41.8 gray (Gy) ipsilaterally, and 16.5 and 19.9 Gy contralaterally. Median times to death and tumor progression were 16.0 and 7.6 mo, and were not significantly different compared to a matched historical control. No patients experienced tumor progression in the spared NPC-containing regions. Overall survival was associated with neurocognitive function (P ≤ .03) but not dose to the NPC niches. Higher doses to the hippocampi and SVZ predicted greater decline in verbal memory (P ≤ .01). Conclusion In treating glioblastoma, limiting dose to the NPC niches may reduce cognitive toxicity while maintaining clinical outcomes. Further studies are needed to confirm these results.Biomass and grain yield are important agronomic traits in sorghum (Sorghum bicolor); however, the molecular mechanisms that regulate these traits are not well understood. Here, we characterized the sorghum biomass yield 1 (by1) mutant, which displays a dramatically altered phenotype, including reduced plant height, narrow stems, erect and narrow leaves, and abnormal floral organs. Histological analysis suggested that the phenotypic defects of by1 are mainly caused by inhibited cell elongation and abnormal floral organ development. Map-based cloning revealed that BY1 encodes a 3-deoxy-D-arabino-heptulosonate-7-phosphate synthase (DAHPS) that catalyzes the first step of the shikimate pathway. BY1 is localized in chloroplasts and is ubiquitously distributed in various organs, particularly roots, stems, leaves, and panicles, which is consistent with its role in biomass production and grain yield. https://www.selleckchem.com/products/rgd-arg-gly-asp-peptides.html Transcriptome analysis and metabolic profiling revealed that BY1 is involved in primary metabolism and affects the biosynthesis of various secondary metabolites, especially flavonoids. Taken together, these findings demonstrate that BY1 affects biomass and grain yield in sorghum by regulating primary and secondary metabolism via the shikimate pathway, and provide important insights into the relationship between plant development and metabolism.Introduction Research on long-term outcomes of children exposed to inflammatory bowel disease (IBD) in utero is lacking. Maternal inflammation, IBD medications or other factors may increase the risk of developmental disabilities in the offspring. Methods We used the Danish National Birth Cohort, an ongoing prospective study that includes 100,419 pregnancies of 92,274 women, in conjunction with the Danish National Registries, to evaluate cognitive and motor development of the children of women with and without IBD. We analyzed basic measures of childhood development at 6-month and 18-month interviews with the mother and with validated questionnaires filled out by the parents when the child was 7 years old. We adjusted for multiple confounders, including preterm birth. Results At 6 months, we included 484 children of women with IBD and 69,571 unexposed children; at 18 months, 471 exposed and 66,018 unexposed; at 7 years, 391 exposed and 54,356 unexposed. At 18 months, exposed children were significantly less likely to "use word-like sounds" but there was no difference between use of "sentences of 2 words." At 6 and 18 months, there were no other obvious differences in language and motor development. At 7 years, cognitive scores (emotional, conduct, hyperactivity, peer and social scores) and motor development (gross/fine motor skills and general coordination) were similar between the two groups. Conclusions Children exposed to IBD in utero and unexposed children scored similarly on survey-based tools assessing basic measures of neurodevelopment over 7 years. These results are reassuring for current and future parents with IBD.
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  • Complex regional pain syndrome (CRPS) and fibromyalgia are chronic pain conditions of unexplained origins. In addition to symptoms in the diagnostic criteria, patients can report changes to vision and other sensations or bodily functions. It is unclear whether these are greater than would be expected due to normal ageing, living with chronic pain generally, or common co-morbidities of chronic pain such as depression or anxiety. We administered an on-line survey evaluating the frequencies and types of self-reported somatic symptoms, bodily changes, and sensory sensitivity in respondents with CRPS (n=390), fibromyalgia (n=425), and both CRPS and fibromyalgia ('CRPS+fibromyalgia'; n=88) compared to respondents with other chronic pain conditions (n=331) and pain-free controls (n=441). The survey assessed somatic symptoms (Patient Health Questionnaire-15), bodily changes, pain/discomfort/distress triggers, and pain intensifiers. We conducted ANCOVA's with age, sex, Patient Health Questionnaire-9 (measuring depression), Generalized Anxiety Disorder-7, pain duration in years, hours of pain per day, and number of pain-related medical diagnoses as covariates. After controlling for covariates, respondents with CRPS and/or fibromyalgia reported more somatic symptoms, changes in movement and biological responses, pain/discomfort/distress triggers, and pain intensifiers than pain(-free) control groups. Fibromyalgia specifically related to changes in vision and hearing; urinary/intestinal function; and drinking and eating. CRPS changes related to changes in hair, skin, and nails; and infection and healing. The CRPS+fibromyalgia group presented with features of both disorders with minimal additional stressors or symptoms over and above these. Our findings suggest CRPS and fibromyalgia share underlying pathophysiologies, although specific mechanisms might be different.Chronic non-cancer pain (CNCP) is a significant health burden among adults. Standard behavioral therapies typically focus on targeting negative affect (NA) and yield only modest treatment effects. The aims of this study were to systematically review and investigate the association between positive affect (PA) and pain severity among adults with CNCP. Databases search included MEDLINE (PubMed), PsycINFO, CINAHL, ProQuest Dissertations and Theses, OLASTER, Open Grey, and PsyArXiv (inception to July 23, 2019). We analyzed studies that (1) employed observational, experimental, or intervention study designs; (2) enrolled individuals with CNCP (pain ≥ 12 weeks); and (3) reported full quantitative results on outcomes. Two researchers independently screened articles, extracted data, and assessed the risk of bias. The main meta-analysis was followed by subgroup analyses. All analyses were performed using random-effects models. Formal tests for heterogeneity (Q-statistic; I) and publication bias (p-curve and p-uniform*) were performed. We meta-analyzed 29 studies with 3521 participants. Results demonstrated that PA inversely impacts pain severity in people with CNCP (r = -0.23). Subgroup analyses showed a significant effect for gender and marginally significant effects for age in studies that adjusted for NA. On average, effect sizes for observational studies were larger in studies with a higher proportion of female respondents and in studies that did not adjust for NA. Finally, larger effect sizes were found in intervention studies with older compared with younger samples.Group differences in touch and pain thresholds-and their neural correlates-were studied in women with provoked vestibulodynia (PVD; N = 15), a common subtype of vulvodynia (chronic vulvar pain), and pain-free control women (N = 15). Results from quantitative sensory testing and self-report measures indicated that, as compared with control participants, women with PVD exhibited allodynia (ie, pain in response to a normally nonpainful stimulus) and hyperalgesia (ie, an increased response to a normally painful stimulus) at vulvar and nonvulvar sites. In addition, brain imaging analyses demonstrated reduced difference scores between touch and pain in the S2 area in women with PVD compared with control participants, supporting previous findings of allodynia in women with PVD. There were no significant reductions in difference scores between touch and pain for regions related to cognitive and affective processing of painful stimuli. The results of this study contribute important information to the general pain and vulvodynia literatures in elucidating the specific sensorimotor neural mechanisms that underlie hyperalgesia in a chronic pain population. These results have implications for differentiating neural processing of touch and pain for women with and without PVD. https://www.selleckchem.com/products/pu-h71.html Future research should attempt to examine alterations related to hyperalgesia in commonly comorbid conditions of PVD.BACKGROUND Phenytoin has a narrow therapeutic index and the potential of under-treatment or toxicity. Available equations are used to correct for the impact of hypoalbuminemia on unbound (free) phenytoin levels. The authors aimed to determine the accuracy of equations used to estimate free phenytoin in hospitalized patients and assess the impact of using additional clinical data. METHODS Concurrently measured total and free phenytoin levels in hospitalized patients (2014-2018) were retrospectively evaluated, excluding those from patients on renal replacement therapy and valproic acid. Differences between actual and estimated free phenytoin levels by the original (Original WTZ), Anderson-modified, and Kane-modified Winter-Tozer equations were assessed using Pearson correlations and Bland-Altman analysis. Thereafter, a population-derived formula was developed and validated in a testing cohort. RESULTS In the 4-year training cohort (n=81), the Original WTZ equation had the smallest mean difference of all equations. A higher mean difference (-0.362 µg/mL [95% CI -0.585, -0.138] vs. -0.054 µg/mL [95% CI -0.186, 0.078]) was observed in intensive care unit (ICU) patients compared to non-ICU patients. A cross-validated multivariable model improved the accuracy of free phenytoin estimation in ICU and non-ICU patients, even in the separate testing cohort (n=52) with respective mean differences of -0.322 µg/mL [95% CI -0.545, -0.098] and -0.025 µg/mL [95% CI -0.379, 0.329] and was superior to the Original WTZ (mean difference -0.858 µg/mL [95% CI -1.069, -0.647] vs. -0.106 µg/mL [95% CI -0.362, 0.151], respectively). CONCLUSIONS Free phenytoin levels in hospitalized patients cannot be accurately determined using available estimation equations, particularly in critically ill patients. Combining ICU status and other available clinical data can improve therapeutic drug monitoring and prevent high-magnitude errors, particularly when free phenytoin assays are not readily available.
    Complex regional pain syndrome (CRPS) and fibromyalgia are chronic pain conditions of unexplained origins. In addition to symptoms in the diagnostic criteria, patients can report changes to vision and other sensations or bodily functions. It is unclear whether these are greater than would be expected due to normal ageing, living with chronic pain generally, or common co-morbidities of chronic pain such as depression or anxiety. We administered an on-line survey evaluating the frequencies and types of self-reported somatic symptoms, bodily changes, and sensory sensitivity in respondents with CRPS (n=390), fibromyalgia (n=425), and both CRPS and fibromyalgia ('CRPS+fibromyalgia'; n=88) compared to respondents with other chronic pain conditions (n=331) and pain-free controls (n=441). The survey assessed somatic symptoms (Patient Health Questionnaire-15), bodily changes, pain/discomfort/distress triggers, and pain intensifiers. We conducted ANCOVA's with age, sex, Patient Health Questionnaire-9 (measuring depression), Generalized Anxiety Disorder-7, pain duration in years, hours of pain per day, and number of pain-related medical diagnoses as covariates. After controlling for covariates, respondents with CRPS and/or fibromyalgia reported more somatic symptoms, changes in movement and biological responses, pain/discomfort/distress triggers, and pain intensifiers than pain(-free) control groups. Fibromyalgia specifically related to changes in vision and hearing; urinary/intestinal function; and drinking and eating. CRPS changes related to changes in hair, skin, and nails; and infection and healing. The CRPS+fibromyalgia group presented with features of both disorders with minimal additional stressors or symptoms over and above these. Our findings suggest CRPS and fibromyalgia share underlying pathophysiologies, although specific mechanisms might be different.Chronic non-cancer pain (CNCP) is a significant health burden among adults. Standard behavioral therapies typically focus on targeting negative affect (NA) and yield only modest treatment effects. The aims of this study were to systematically review and investigate the association between positive affect (PA) and pain severity among adults with CNCP. Databases search included MEDLINE (PubMed), PsycINFO, CINAHL, ProQuest Dissertations and Theses, OLASTER, Open Grey, and PsyArXiv (inception to July 23, 2019). We analyzed studies that (1) employed observational, experimental, or intervention study designs; (2) enrolled individuals with CNCP (pain ≥ 12 weeks); and (3) reported full quantitative results on outcomes. Two researchers independently screened articles, extracted data, and assessed the risk of bias. The main meta-analysis was followed by subgroup analyses. All analyses were performed using random-effects models. Formal tests for heterogeneity (Q-statistic; I) and publication bias (p-curve and p-uniform*) were performed. We meta-analyzed 29 studies with 3521 participants. Results demonstrated that PA inversely impacts pain severity in people with CNCP (r = -0.23). Subgroup analyses showed a significant effect for gender and marginally significant effects for age in studies that adjusted for NA. On average, effect sizes for observational studies were larger in studies with a higher proportion of female respondents and in studies that did not adjust for NA. Finally, larger effect sizes were found in intervention studies with older compared with younger samples.Group differences in touch and pain thresholds-and their neural correlates-were studied in women with provoked vestibulodynia (PVD; N = 15), a common subtype of vulvodynia (chronic vulvar pain), and pain-free control women (N = 15). Results from quantitative sensory testing and self-report measures indicated that, as compared with control participants, women with PVD exhibited allodynia (ie, pain in response to a normally nonpainful stimulus) and hyperalgesia (ie, an increased response to a normally painful stimulus) at vulvar and nonvulvar sites. In addition, brain imaging analyses demonstrated reduced difference scores between touch and pain in the S2 area in women with PVD compared with control participants, supporting previous findings of allodynia in women with PVD. There were no significant reductions in difference scores between touch and pain for regions related to cognitive and affective processing of painful stimuli. The results of this study contribute important information to the general pain and vulvodynia literatures in elucidating the specific sensorimotor neural mechanisms that underlie hyperalgesia in a chronic pain population. These results have implications for differentiating neural processing of touch and pain for women with and without PVD. https://www.selleckchem.com/products/pu-h71.html Future research should attempt to examine alterations related to hyperalgesia in commonly comorbid conditions of PVD.BACKGROUND Phenytoin has a narrow therapeutic index and the potential of under-treatment or toxicity. Available equations are used to correct for the impact of hypoalbuminemia on unbound (free) phenytoin levels. The authors aimed to determine the accuracy of equations used to estimate free phenytoin in hospitalized patients and assess the impact of using additional clinical data. METHODS Concurrently measured total and free phenytoin levels in hospitalized patients (2014-2018) were retrospectively evaluated, excluding those from patients on renal replacement therapy and valproic acid. Differences between actual and estimated free phenytoin levels by the original (Original WTZ), Anderson-modified, and Kane-modified Winter-Tozer equations were assessed using Pearson correlations and Bland-Altman analysis. Thereafter, a population-derived formula was developed and validated in a testing cohort. RESULTS In the 4-year training cohort (n=81), the Original WTZ equation had the smallest mean difference of all equations. A higher mean difference (-0.362 µg/mL [95% CI -0.585, -0.138] vs. -0.054 µg/mL [95% CI -0.186, 0.078]) was observed in intensive care unit (ICU) patients compared to non-ICU patients. A cross-validated multivariable model improved the accuracy of free phenytoin estimation in ICU and non-ICU patients, even in the separate testing cohort (n=52) with respective mean differences of -0.322 µg/mL [95% CI -0.545, -0.098] and -0.025 µg/mL [95% CI -0.379, 0.329] and was superior to the Original WTZ (mean difference -0.858 µg/mL [95% CI -1.069, -0.647] vs. -0.106 µg/mL [95% CI -0.362, 0.151], respectively). CONCLUSIONS Free phenytoin levels in hospitalized patients cannot be accurately determined using available estimation equations, particularly in critically ill patients. Combining ICU status and other available clinical data can improve therapeutic drug monitoring and prevent high-magnitude errors, particularly when free phenytoin assays are not readily available.
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  • Salmonella developed drug-resistance under durative antibiotic pressures pressure. The widespread prevalence of Salmonella has been associated with not only drug-resistance but also pathogenicity. Outer membrane porin proteins (OMPs) are critical for the drug resistance of bacteria. Virulence genes in Salmonella pathogenicity islands (SPIs) play key roles in the virulence of bacteria. In this study, we analyzed the expression levels of three critical genes in ciprofloxacin-resistant strains and ciprofloxacin-susceptible strains of Salmonella, including outer membrane porin protein F (ompF), virulence genes invA and invE. In the clinical ciprofloxacin-resistant strains of Salmonella, the expression level of ompF was decreased. Meanwhile, the expression levels of invA and invE were decreased except for only one strain, indicating generally decreased virulence. These results were also verified with ciprofloxacin-induced resistant strains. Thus, it was informative for understanding the drug-resistance in Salmonella. Monitoring drug-resistance and virulence relevant genes would be significant in the prevention and control of salmonellosis.The emergence of vancomycin-resistant Staphylococcus aureus (VRSA) threatens global health. The mechanism of vancomycin resistance of VRSA without vanA gene acquisition was not fully elucidated. Therefore, we aimed to determine the mechanism of vancomycin resistance of VRSA besides that by vanA gene acquisition. In this study, we obtained vancomycin-resistant strains (V036-V64; MIC = 64 µg /ml) from susceptible strain (V036; MIC = 0.5 µg /ml) by exposure of vancomycin in vitro and examined the phenotypic characteristics and antibiotic susceptibility profiles of the resistant strain (V036-V64). To identify the genetic variations caused vancomycin resistance, we determined the complete genome sequences of V036 and V036-V64 and analyzed for single-nucleotide polymorphisms (SNPs) between two strains. Morphologically, V036-V64 had a twofold thicker cell wall compared with V036. Linezolid, rifampicin, and ceftaroline had similar ****ranges against V036-V64 and V036, but V036-V64 showed lower susceptibilities to daptomycin and telavancin. We detected eight single-nucleotide polymorphisms differing between V036-V64 and V036 rimM (G16D), ssaA2 (G128A), rpsK (P60R), rpoB (R917C), walK (T492R), D-alanyl-D-alanine carboxypeptidase (L307I), vraT (A152V), and chromosome segregation ATPase (T440I). This study demonstrates that, under selective pressure, by the accumulation of mutations in genes related to cell wall synthesis, vancomycin-susceptible S. aureus can develop thicker cell walls and, hence, develop high vancomycin resistance. Thus, we highlight a novel vanA-negative mechanism for VRSA emergence.Ultrasound is the most disruptive innovation in intensive care life, above all in this time, with a high diagnostic value when applied appropriately. In recent years, point-of-care lung ultrasound has gained significant popularity as a diagnostic tool in the acutely dyspnoeic patients. In the era of Sars-CoV-2 outbreak, lung ultrasound seems to be strongly adapting to the follow-up for lung involvement of patients with ascertaining infections, till to be used, in our opinion emblematically, as a screening test in suspected patients at the emergency triage or at home medical visit. In this brief review, we discuss the lung ultrasound dichotomy, certainties and uncertainties, describing its potential role in validated clinical contexts, as a clinical-dependent exam, its limits and pitfalls in a generic and off-label clinical context, as a virtual anatomical-dependent exam, and its effects on the clinical management of patients with COVID-19.Background Obesity is a risk factor for postoperative pulmonary complications (PPCs). Recent studies have reported the pulmonary protective role of the kappa opioid receptor (KOR). https://www.selleckchem.com/products/jnj-42756493-erdafitinib.html Butorphanol is a narcotic with strong KOR agonist action, and the role in pulmonary protection is uncertain. Here, we hypothesized that butorphanol exerts protective effects on pulmonary function in patients with obesity undergoing laparoscopic bariatric surgery. Methods Patients with a body mass index ≥ 30 kg/m2 scheduled for laparoscopic bariatric surgery were randomized to receive butorphanol or normal saline. Butorphanol was administered as an initial loading dose of 10 μg/kg at 5 min before induction followed by 5 μg/(kg h) during surgery. The primary outcome was arterial-alveolar oxygen tension ratio (a/A ratio). Secondary outcomes included other pulmonary variables, biomarkers reflecting pulmonary injury, and incidence of PPCs within 7 days after surgery. Results Patients in the butorphanol group had a significantly higher a/A ratio at 1 h after the operation began (68 ± 7 vs. 55 ± 8, P less then 0.001), end of the operation (73 ± 8 vs. 59 ± 7, P less then 0.001), and 1 h after extubation (83 ± 9 vs. 70 ± 5, P less then 0.001) compared with those in the control group. In addition, in the butorphanol group, dead space to tidal volume ratios were significantly lower than those in the control group at the same time points (all P less then 0.001). In the control group, the levels of biomarkers reflecting pulmonary injury were significantly higher than those in the butorphanol group at 3 h, 6 h, 12 h, and 24 h postoperatively (P less then 0.001). The incidence of PPCs was similar in both groups. Conclusion Butorphanol administration protected pulmonary function by improving oxygenation and reducing dead space ventilation in patients with obesity undergoing laparoscopic bariatric surgery. Butorphanol may therefore provide clinical benefits in patients with obesity.Purpose Obesity increases the risk of several cancers, but the influence of bariatric surgery on the risk of individual obesity-related cancers is unclear. This study aimed to assess the impact of bariatric surgery on cancer risk in a multi-national setting. Materials and methods This cohort study included all adults with an obesity diagnosis identified from national patient registries in all Nordic countries (Denmark, Finland, Iceland, Norway and Sweden) from 1980 to 2012. Cancer risk in bariatric surgery patients was compared with non-operated patients with obesity. Multivariable Cox regression provided adjusted hazard ratios (HRs) with 95% confidence intervals (CIs). Age, sex, calendar year, country, length of follow-up, diabetes, chronic obstructive pulmonary disease and alcohol-related diseases were evaluated as confounders. Results Among 482,572 participants with obesity, 49,096 underwent bariatric surgery. Bariatric surgery was followed by a decreased overall cancer risk in women (HR 0.86, 95% CI 0.80-0.
    Salmonella developed drug-resistance under durative antibiotic pressures pressure. The widespread prevalence of Salmonella has been associated with not only drug-resistance but also pathogenicity. Outer membrane porin proteins (OMPs) are critical for the drug resistance of bacteria. Virulence genes in Salmonella pathogenicity islands (SPIs) play key roles in the virulence of bacteria. In this study, we analyzed the expression levels of three critical genes in ciprofloxacin-resistant strains and ciprofloxacin-susceptible strains of Salmonella, including outer membrane porin protein F (ompF), virulence genes invA and invE. In the clinical ciprofloxacin-resistant strains of Salmonella, the expression level of ompF was decreased. Meanwhile, the expression levels of invA and invE were decreased except for only one strain, indicating generally decreased virulence. These results were also verified with ciprofloxacin-induced resistant strains. Thus, it was informative for understanding the drug-resistance in Salmonella. Monitoring drug-resistance and virulence relevant genes would be significant in the prevention and control of salmonellosis.The emergence of vancomycin-resistant Staphylococcus aureus (VRSA) threatens global health. The mechanism of vancomycin resistance of VRSA without vanA gene acquisition was not fully elucidated. Therefore, we aimed to determine the mechanism of vancomycin resistance of VRSA besides that by vanA gene acquisition. In this study, we obtained vancomycin-resistant strains (V036-V64; MIC = 64 µg /ml) from susceptible strain (V036; MIC = 0.5 µg /ml) by exposure of vancomycin in vitro and examined the phenotypic characteristics and antibiotic susceptibility profiles of the resistant strain (V036-V64). To identify the genetic variations caused vancomycin resistance, we determined the complete genome sequences of V036 and V036-V64 and analyzed for single-nucleotide polymorphisms (SNPs) between two strains. Morphologically, V036-V64 had a twofold thicker cell wall compared with V036. Linezolid, rifampicin, and ceftaroline had similar MIC ranges against V036-V64 and V036, but V036-V64 showed lower susceptibilities to daptomycin and telavancin. We detected eight single-nucleotide polymorphisms differing between V036-V64 and V036 rimM (G16D), ssaA2 (G128A), rpsK (P60R), rpoB (R917C), walK (T492R), D-alanyl-D-alanine carboxypeptidase (L307I), vraT (A152V), and chromosome segregation ATPase (T440I). This study demonstrates that, under selective pressure, by the accumulation of mutations in genes related to cell wall synthesis, vancomycin-susceptible S. aureus can develop thicker cell walls and, hence, develop high vancomycin resistance. Thus, we highlight a novel vanA-negative mechanism for VRSA emergence.Ultrasound is the most disruptive innovation in intensive care life, above all in this time, with a high diagnostic value when applied appropriately. In recent years, point-of-care lung ultrasound has gained significant popularity as a diagnostic tool in the acutely dyspnoeic patients. In the era of Sars-CoV-2 outbreak, lung ultrasound seems to be strongly adapting to the follow-up for lung involvement of patients with ascertaining infections, till to be used, in our opinion emblematically, as a screening test in suspected patients at the emergency triage or at home medical visit. In this brief review, we discuss the lung ultrasound dichotomy, certainties and uncertainties, describing its potential role in validated clinical contexts, as a clinical-dependent exam, its limits and pitfalls in a generic and off-label clinical context, as a virtual anatomical-dependent exam, and its effects on the clinical management of patients with COVID-19.Background Obesity is a risk factor for postoperative pulmonary complications (PPCs). Recent studies have reported the pulmonary protective role of the kappa opioid receptor (KOR). https://www.selleckchem.com/products/jnj-42756493-erdafitinib.html Butorphanol is a narcotic with strong KOR agonist action, and the role in pulmonary protection is uncertain. Here, we hypothesized that butorphanol exerts protective effects on pulmonary function in patients with obesity undergoing laparoscopic bariatric surgery. Methods Patients with a body mass index ≥ 30 kg/m2 scheduled for laparoscopic bariatric surgery were randomized to receive butorphanol or normal saline. Butorphanol was administered as an initial loading dose of 10 μg/kg at 5 min before induction followed by 5 μg/(kg h) during surgery. The primary outcome was arterial-alveolar oxygen tension ratio (a/A ratio). Secondary outcomes included other pulmonary variables, biomarkers reflecting pulmonary injury, and incidence of PPCs within 7 days after surgery. Results Patients in the butorphanol group had a significantly higher a/A ratio at 1 h after the operation began (68 ± 7 vs. 55 ± 8, P less then 0.001), end of the operation (73 ± 8 vs. 59 ± 7, P less then 0.001), and 1 h after extubation (83 ± 9 vs. 70 ± 5, P less then 0.001) compared with those in the control group. In addition, in the butorphanol group, dead space to tidal volume ratios were significantly lower than those in the control group at the same time points (all P less then 0.001). In the control group, the levels of biomarkers reflecting pulmonary injury were significantly higher than those in the butorphanol group at 3 h, 6 h, 12 h, and 24 h postoperatively (P less then 0.001). The incidence of PPCs was similar in both groups. Conclusion Butorphanol administration protected pulmonary function by improving oxygenation and reducing dead space ventilation in patients with obesity undergoing laparoscopic bariatric surgery. Butorphanol may therefore provide clinical benefits in patients with obesity.Purpose Obesity increases the risk of several cancers, but the influence of bariatric surgery on the risk of individual obesity-related cancers is unclear. This study aimed to assess the impact of bariatric surgery on cancer risk in a multi-national setting. Materials and methods This cohort study included all adults with an obesity diagnosis identified from national patient registries in all Nordic countries (Denmark, Finland, Iceland, Norway and Sweden) from 1980 to 2012. Cancer risk in bariatric surgery patients was compared with non-operated patients with obesity. Multivariable Cox regression provided adjusted hazard ratios (HRs) with 95% confidence intervals (CIs). Age, sex, calendar year, country, length of follow-up, diabetes, chronic obstructive pulmonary disease and alcohol-related diseases were evaluated as confounders. Results Among 482,572 participants with obesity, 49,096 underwent bariatric surgery. Bariatric surgery was followed by a decreased overall cancer risk in women (HR 0.86, 95% CI 0.80-0.
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  • We show that this method can achieve an accuracy of 79 µm in recovering the cortical depth of recording sites and a 76% accuracy in inferring their laminar location. As such, our approach provides an alternative to CSD that, being fully automated, is less prone to the idiosyncrasies of subjective judgment and works reliably also for recordings spanning a limited cortical stretch.Background . Intravitreal administration of topotecan shows activity against tumor vitreous seeding in the conservative treatment of retinoblastoma, a malignant tumor originated in the retina of small children. Adequate storage of the intravitreal topotecan solution would allow immediate availability for patients at health care institutions. The goal of the work was to address the stability of the intravitreal topotecan formulation upon reconstitution. Materials and methods . Intravitreal topotecan solutions were reconstituted (at a concentration of 0.2 mg topotecan in 1 mL saline solution vehicle, aliquoted in 1 mL plastic syringes) and stored either frozen or at room temperature for different times. Topotecan content was analyzed at time zero and at different conditions using a high performance liquid chromatography method to quantify topotecan lactone (active) and to detect its pH-dependent hydrolysis product, the open carboxylate. Results . We found that intravitreal topotecan syringes remained stable at room temperature at least for 24 h, at least for 167 days upon stored frozen at -20°C, and up to 8 h after thawing at day 6. The degradation carboxylate product did not appear in the analyzed thawed samples during the whole study. Conclusions . This study confirms the stability of frozen intravitreal topotecan syringes and will help optimize the use of this chemotherapy modality at institutions with low resources. Storage of aliquots will also help reduce personnel exposure to chemotherapy at hospital pharmacies.Background Studies suggest associations between oil and gas development (OGD) and adverse birth outcomes, but few epidemiological studies of oil wells or inactive wells exist, and none in California. Objective Our study aimed to investigate the relationship between residential proximity to OGD and birth outcomes in California. Methods We conducted a retrospective cohort study of 2,918,089 births to mothers living within 10 km of at least one production well between January 1, 2006 and December 31, 2015. We estimated exposure during pregnancy to inactive wells count (no inactive wells, 1 well, 2-5 wells, 6+ wells) and production volume from active wells in barrels of oil equivalent (BOE) (no BOE, 1-100 BOE/day, >100 BOE/day). We used generalized estimating equations to examine associations between overall and trimester-specific OGD exposures and term birth weight (tBW), low birth weight (LBW), preterm birth (PTB), and small for gestational age birth (SGA). We assessed effect modification by urban/rural community type. Results Adjusted models showed exposure to active OGD was associated with adverse birth outcomes in rural areas; effect estimates in urban areas were close to null. In rural areas, increasing production volume was associated with stronger adverse effect estimates. High (>100 BOE/day) vs. no production throughout pregnancy was associated with increased odds of LBW [odds ratio (OR)=1.40, 95% confidence interval (CI) 1.14, 1.71] and SGA (OR=1.22, 95% CI 1.02, 1.45), and decreased tBW (mean difference = -36 grams, 95% CI -54, -17), but not with PTB (OR=1.03, 95% CI 0.91, 1.18). Conclusion Proximity to higher production OGD in California was associated with adverse birth outcomes among mothers residing in rural areas. Future studies are needed to confirm our findings in other populations and improve exposure assessment measures. https//doi.org/10.1289/EHP5842.A strategy to address challenges in sourcing and maintaining produce in tiendas is to build a new localized food economy. Key informant interviews were conducted with tienda owners and managers and small produce farmers to understand produce distribution and sourcing behaviors, and to identify the potential to connect tiendas with small produce farmers. Interviews were analyzed using an inductive coding approach and were summarized into three themes people, place, and product. Results provide context for understanding factors that affect access to local produce in Latino communities. Future research should be conducted with produce distributors, and policy-level strategies should be considered.Spinosad and temefos are widely used pesticides for chemical control of dengue vector-borne disease (Aedes aegypti). The aim of this study was to compare the effect of acute exposure (7 days) to spinosad (0.5 mg A.I. L-1) and temefos (10 mg A.I. https://www.selleckchem.com/products/talabostat.html L-1), concentrations used by the Mexican Ministry of Health, on phagocytic capacity (PC) of mononuclear cells of guppies fish (Poecilia reticulata), as well as to assess PC in fish, at 96 days after exposure to those pesticides. Obtained results indicated that spinosad did not alter PC, while an acute exposure to temefos significantly affected phagocytosis and this parameter was maintained downed even 96 days after the acute exposure, suggesting that the immunotoxic effects of temefos may be chronic.Aim The aim of our study was to describe the characteristics of postinfectious inflammatory response syndrome (PIIRS) in HIV-uninfected and nontransplant men after cryptococcal meningitis (CM). Patients & methods A case-control study was designed to compare HIV-uninfected and nontransplant male CM patients with and without PIIRS. Results CM-PIIRS patients had increased rates of hearing loss, V-P shunt placement, amphotericin B treatment, higher cerebrospinal fluid pressures and Cryptococcus counts in the first CM episode. CM-PIIRS episode was characterized by higher frequencies of headache and fever, higher C-reactive protein, erythrocyte sedimentation rate, cerebrospinal fluid white blood cell (WBC) counts and modified Rankin Score. Brain MRI scans revealed the high signal lesions on axial flair imaging. Receipt of corticosteroid therapy was associated with lower rates of fever and better modified Rankin Score scores at 1 month after treatment. Conclusion CM-PIIRS episode differs to the initial presentation, may help to identify which patients are at risk to develop PIIRS.
    We show that this method can achieve an accuracy of 79 µm in recovering the cortical depth of recording sites and a 76% accuracy in inferring their laminar location. As such, our approach provides an alternative to CSD that, being fully automated, is less prone to the idiosyncrasies of subjective judgment and works reliably also for recordings spanning a limited cortical stretch.Background . Intravitreal administration of topotecan shows activity against tumor vitreous seeding in the conservative treatment of retinoblastoma, a malignant tumor originated in the retina of small children. Adequate storage of the intravitreal topotecan solution would allow immediate availability for patients at health care institutions. The goal of the work was to address the stability of the intravitreal topotecan formulation upon reconstitution. Materials and methods . Intravitreal topotecan solutions were reconstituted (at a concentration of 0.2 mg topotecan in 1 mL saline solution vehicle, aliquoted in 1 mL plastic syringes) and stored either frozen or at room temperature for different times. Topotecan content was analyzed at time zero and at different conditions using a high performance liquid chromatography method to quantify topotecan lactone (active) and to detect its pH-dependent hydrolysis product, the open carboxylate. Results . We found that intravitreal topotecan syringes remained stable at room temperature at least for 24 h, at least for 167 days upon stored frozen at -20°C, and up to 8 h after thawing at day 6. The degradation carboxylate product did not appear in the analyzed thawed samples during the whole study. Conclusions . This study confirms the stability of frozen intravitreal topotecan syringes and will help optimize the use of this chemotherapy modality at institutions with low resources. Storage of aliquots will also help reduce personnel exposure to chemotherapy at hospital pharmacies.Background Studies suggest associations between oil and gas development (OGD) and adverse birth outcomes, but few epidemiological studies of oil wells or inactive wells exist, and none in California. Objective Our study aimed to investigate the relationship between residential proximity to OGD and birth outcomes in California. Methods We conducted a retrospective cohort study of 2,918,089 births to mothers living within 10 km of at least one production well between January 1, 2006 and December 31, 2015. We estimated exposure during pregnancy to inactive wells count (no inactive wells, 1 well, 2-5 wells, 6+ wells) and production volume from active wells in barrels of oil equivalent (BOE) (no BOE, 1-100 BOE/day, >100 BOE/day). We used generalized estimating equations to examine associations between overall and trimester-specific OGD exposures and term birth weight (tBW), low birth weight (LBW), preterm birth (PTB), and small for gestational age birth (SGA). We assessed effect modification by urban/rural community type. Results Adjusted models showed exposure to active OGD was associated with adverse birth outcomes in rural areas; effect estimates in urban areas were close to null. In rural areas, increasing production volume was associated with stronger adverse effect estimates. High (>100 BOE/day) vs. no production throughout pregnancy was associated with increased odds of LBW [odds ratio (OR)=1.40, 95% confidence interval (CI) 1.14, 1.71] and SGA (OR=1.22, 95% CI 1.02, 1.45), and decreased tBW (mean difference = -36 grams, 95% CI -54, -17), but not with PTB (OR=1.03, 95% CI 0.91, 1.18). Conclusion Proximity to higher production OGD in California was associated with adverse birth outcomes among mothers residing in rural areas. Future studies are needed to confirm our findings in other populations and improve exposure assessment measures. https//doi.org/10.1289/EHP5842.A strategy to address challenges in sourcing and maintaining produce in tiendas is to build a new localized food economy. Key informant interviews were conducted with tienda owners and managers and small produce farmers to understand produce distribution and sourcing behaviors, and to identify the potential to connect tiendas with small produce farmers. Interviews were analyzed using an inductive coding approach and were summarized into three themes people, place, and product. Results provide context for understanding factors that affect access to local produce in Latino communities. Future research should be conducted with produce distributors, and policy-level strategies should be considered.Spinosad and temefos are widely used pesticides for chemical control of dengue vector-borne disease (Aedes aegypti). The aim of this study was to compare the effect of acute exposure (7 days) to spinosad (0.5 mg A.I. L-1) and temefos (10 mg A.I. https://www.selleckchem.com/products/talabostat.html L-1), concentrations used by the Mexican Ministry of Health, on phagocytic capacity (PC) of mononuclear cells of guppies fish (Poecilia reticulata), as well as to assess PC in fish, at 96 days after exposure to those pesticides. Obtained results indicated that spinosad did not alter PC, while an acute exposure to temefos significantly affected phagocytosis and this parameter was maintained downed even 96 days after the acute exposure, suggesting that the immunotoxic effects of temefos may be chronic.Aim The aim of our study was to describe the characteristics of postinfectious inflammatory response syndrome (PIIRS) in HIV-uninfected and nontransplant men after cryptococcal meningitis (CM). Patients & methods A case-control study was designed to compare HIV-uninfected and nontransplant male CM patients with and without PIIRS. Results CM-PIIRS patients had increased rates of hearing loss, V-P shunt placement, amphotericin B treatment, higher cerebrospinal fluid pressures and Cryptococcus counts in the first CM episode. CM-PIIRS episode was characterized by higher frequencies of headache and fever, higher C-reactive protein, erythrocyte sedimentation rate, cerebrospinal fluid white blood cell (WBC) counts and modified Rankin Score. Brain MRI scans revealed the high signal lesions on axial flair imaging. Receipt of corticosteroid therapy was associated with lower rates of fever and better modified Rankin Score scores at 1 month after treatment. Conclusion CM-PIIRS episode differs to the initial presentation, may help to identify which patients are at risk to develop PIIRS.
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