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  • Conclusion The new score using the EC performed the best in predicting in-hospital mortality for most situations. For hospital charges and LOS, the binary variables of the GC showed the best results. The outcome-specific comorbidity scores should be considered for different outcomes.Objective To examine the analytic approach of meta-analyses that include non-inferiority or equivalence (NI/EQ) trials. Study design and setting We used Scopus to identify meta-analyses including NI/EQ trials. https://www.selleckchem.com/products/d-1553.html We extracted data from the meta-analyses and their included RCTs. We used the RCT's NI/EQ margins to re-interpret the results of the meta-analyses, assessed for risk of biases unique to NI/EQ trials, and evaluated the consistency of the meta-analysis interpretation when using NI/EQ margins. Results We identified 38 unique meta-analyses including 515 RCTs, of which 125 (24.3%) were NI/EQ trials. Fourteen meta-analyses (36.8%) reported the study design of their included trials but only one (2.6%) interpreted their pooled estimates using NI/EQ margins and none assessed for risks of bias unique to NI/EQ trials. Nearly all NI/EQ trials (n=116, 92.8%) included in the meta-analyses reported NI/EQ margins. The meta-analyses of 30 outcomes were re-interpreted using the NI/EQ margins; re-interpretations conflicted with the conclusion of the meta-analyses in most cases (n=20, 66.7%). Conclusion Most meta-analyses including NI/EQ trials ignore trial design and do not assess risks of bias unique to NI/EQ studies. Meta-analyses addressing questions previously explored as NI/EQ should conduct a NI/EQ meta-analysis or use clear language when performing standard (i.e. superiority) meta-analyses.Catastrophic pandemics since the 17th century appear to have spurred innovative methods, concepts, and institutions in epidemiology•The plague, cholera, tuberculosis, influenza, and HIV/AIDS left a longstanding imprints on epidemiologic methods and concepts•Pandemics may generate an urgent need for methods that overcome the inadequacy of older methods•Covid-19 specific contribution could be a greater understanding of population thinking beyond academic and professional circlesObjectives The objectives of this study are to evaluate the relationship between authorship networking, socioeconomic factors, and scientific productivity across Latin America. Methods In a bibliometric analysis of cancer-related Latin-American publications, the relationship between authorship network indicators, sociodemographic factors, and number of peer-reviewed indexed publications per country was explored. A systematic review of the literature for cancer publications between 2000 and 2018 using the Scopus database limited to Latin-American authors was used for the construction of coauthorship and publication networks and their respective metrics. Sociodemographic variables including percentage of invested gross domestic product in research, population, and cancer incidence were also estimated. Multiple linear regression models were constructed to determine the relationship between productivity and the aforementioned variables. Results A total of 8,528 articles across nine countries were included. Brazil was the most productive nation with 41.8% of identified references followed by Mexico (16.6%) and Argentina (12.9%). Latin America experienced a 9% growth in number of publications across the studied time frame. After analyzing networking and sociodemographic variables, number of authors in a collaboration network and percentage of invested gross domestic product were associated with high productivity yielding a multiple regression model with an R2 value of 0.983. Conclusions This study indicates that extensive authorship networking and a high investment in research strongly predict cancer-related productivity.Objective The objective of the study was to measure if improving balance in known and observed confounders by propensity score (PS) matching yields different treatment effect estimates in randomized controlled trials (RCTs), thus indirectly measuring the influence of unknown confounders. Study design and setting This is an analysis of individual patient data of 26 large RCTs and comparison of agreement between PS-matched samples and the RCT results on one hand with the agreement between subsamples of RCTs (with sample sizes equal to the sample sizes of the PS-matched samples) and RCTs by Bland-Altman plots and corresponding intraclass correlation coefficients on the other. Results We included data on 213 outcomes from 37 treatment comparisons with 193,620 patients from 26 trials. Bland-Altman plots and intraclass correlation coefficients showed better agreement between PS-matched analysis and RCTs than between reduced RCTs and RCTs. Conclusion We found no indication for a detrimental influence of unknown confounders in PS-matched samples of RCTs.Objective To identify guidelines to assist systematic reviewers or clinical researchers in identifying sampling bias due to tumour heterogeneity (TH) in solid cancers assayed for somatic mutations. We assessed current reporting standards to determine the impact of TH on sample bias. Study design We conducted a systematic review searching 13 databases (Jan-2019) to identify guidelines. A post-hoc analysis was performed using 12 prostate tumour somatic mutation datasets from a previous systematic review to assess reporting on TH. Results Searches identified 2085 records. No formal guidelines were identified. Forty publications contained incidental recommendations across five major themes using multiple tumour samples (n=29), sample purity thresholds (n=14), using specific sequencing methods (n=8), using liquid biopsies (n=4), microdissection (n=4). In post-hoc analyses, 50% (6/12) clearly reported pathology methods. 42% (5/12) did not report pathology results. 42% (5/12) confirmed the pathology of the sample by direct diagnosis rather than inference. 42% (5/12) used multiple samples per patient. 58% (7/12) reported on tumour purity (range 10% to 100%). Conclusions As precision medicine progresses to the clinic, guidelines are required to help evidence-based decision makers understand how TH may impact sample bias. Authors need to clearly report pathology methods and results, tumour purity methods and results.
    Conclusion The new score using the EC performed the best in predicting in-hospital mortality for most situations. For hospital charges and LOS, the binary variables of the GC showed the best results. The outcome-specific comorbidity scores should be considered for different outcomes.Objective To examine the analytic approach of meta-analyses that include non-inferiority or equivalence (NI/EQ) trials. Study design and setting We used Scopus to identify meta-analyses including NI/EQ trials. https://www.selleckchem.com/products/d-1553.html We extracted data from the meta-analyses and their included RCTs. We used the RCT's NI/EQ margins to re-interpret the results of the meta-analyses, assessed for risk of biases unique to NI/EQ trials, and evaluated the consistency of the meta-analysis interpretation when using NI/EQ margins. Results We identified 38 unique meta-analyses including 515 RCTs, of which 125 (24.3%) were NI/EQ trials. Fourteen meta-analyses (36.8%) reported the study design of their included trials but only one (2.6%) interpreted their pooled estimates using NI/EQ margins and none assessed for risks of bias unique to NI/EQ trials. Nearly all NI/EQ trials (n=116, 92.8%) included in the meta-analyses reported NI/EQ margins. The meta-analyses of 30 outcomes were re-interpreted using the NI/EQ margins; re-interpretations conflicted with the conclusion of the meta-analyses in most cases (n=20, 66.7%). Conclusion Most meta-analyses including NI/EQ trials ignore trial design and do not assess risks of bias unique to NI/EQ studies. Meta-analyses addressing questions previously explored as NI/EQ should conduct a NI/EQ meta-analysis or use clear language when performing standard (i.e. superiority) meta-analyses.Catastrophic pandemics since the 17th century appear to have spurred innovative methods, concepts, and institutions in epidemiology•The plague, cholera, tuberculosis, influenza, and HIV/AIDS left a longstanding imprints on epidemiologic methods and concepts•Pandemics may generate an urgent need for methods that overcome the inadequacy of older methods•Covid-19 specific contribution could be a greater understanding of population thinking beyond academic and professional circlesObjectives The objectives of this study are to evaluate the relationship between authorship networking, socioeconomic factors, and scientific productivity across Latin America. Methods In a bibliometric analysis of cancer-related Latin-American publications, the relationship between authorship network indicators, sociodemographic factors, and number of peer-reviewed indexed publications per country was explored. A systematic review of the literature for cancer publications between 2000 and 2018 using the Scopus database limited to Latin-American authors was used for the construction of coauthorship and publication networks and their respective metrics. Sociodemographic variables including percentage of invested gross domestic product in research, population, and cancer incidence were also estimated. Multiple linear regression models were constructed to determine the relationship between productivity and the aforementioned variables. Results A total of 8,528 articles across nine countries were included. Brazil was the most productive nation with 41.8% of identified references followed by Mexico (16.6%) and Argentina (12.9%). Latin America experienced a 9% growth in number of publications across the studied time frame. After analyzing networking and sociodemographic variables, number of authors in a collaboration network and percentage of invested gross domestic product were associated with high productivity yielding a multiple regression model with an R2 value of 0.983. Conclusions This study indicates that extensive authorship networking and a high investment in research strongly predict cancer-related productivity.Objective The objective of the study was to measure if improving balance in known and observed confounders by propensity score (PS) matching yields different treatment effect estimates in randomized controlled trials (RCTs), thus indirectly measuring the influence of unknown confounders. Study design and setting This is an analysis of individual patient data of 26 large RCTs and comparison of agreement between PS-matched samples and the RCT results on one hand with the agreement between subsamples of RCTs (with sample sizes equal to the sample sizes of the PS-matched samples) and RCTs by Bland-Altman plots and corresponding intraclass correlation coefficients on the other. Results We included data on 213 outcomes from 37 treatment comparisons with 193,620 patients from 26 trials. Bland-Altman plots and intraclass correlation coefficients showed better agreement between PS-matched analysis and RCTs than between reduced RCTs and RCTs. Conclusion We found no indication for a detrimental influence of unknown confounders in PS-matched samples of RCTs.Objective To identify guidelines to assist systematic reviewers or clinical researchers in identifying sampling bias due to tumour heterogeneity (TH) in solid cancers assayed for somatic mutations. We assessed current reporting standards to determine the impact of TH on sample bias. Study design We conducted a systematic review searching 13 databases (Jan-2019) to identify guidelines. A post-hoc analysis was performed using 12 prostate tumour somatic mutation datasets from a previous systematic review to assess reporting on TH. Results Searches identified 2085 records. No formal guidelines were identified. Forty publications contained incidental recommendations across five major themes using multiple tumour samples (n=29), sample purity thresholds (n=14), using specific sequencing methods (n=8), using liquid biopsies (n=4), microdissection (n=4). In post-hoc analyses, 50% (6/12) clearly reported pathology methods. 42% (5/12) did not report pathology results. 42% (5/12) confirmed the pathology of the sample by direct diagnosis rather than inference. 42% (5/12) used multiple samples per patient. 58% (7/12) reported on tumour purity (range 10% to 100%). Conclusions As precision medicine progresses to the clinic, guidelines are required to help evidence-based decision makers understand how TH may impact sample bias. Authors need to clearly report pathology methods and results, tumour purity methods and results.
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  • The model with clinical and pathological stage fit significantly better than the model with only pathological stage in all men (p = 0.01) and in men diagnosed during the PSA era (p = 0.04). The mutually adjusted model also improved discriminatory ability. In the Johns Hopkins cohort, the model with clinical and pathological stage improved discriminatory ability and fit significantly better overall (p less then 0.0001) and in the PSA era (p less then 0.0001). Conclusions Despite stage migration resulting from widespread PSA screening, clinical stage remains associated with progression to lethal prostate cancer independent of pathological stage. Future studies evaluating associations between new factors and poor outcome following prostatectomy should consider including both clinical and pathological stages since the data is already available.Chagas disease is one of the main zoonoses mediated by vectors in America. The etiological agent is the protozoan Trypanosoma cruzi, transmitted mainly by hematophagous insects of the subfamily Triatominae. Mepraia species are triatomines endemic to Chile that play an important role in T. cruzi transmission in the wild cycle and are potential vectors for humans. In addition to the continental distribution, populations of Mepraia genus have been reported inhabiting islands of northern Chile. The presence of individuals of Mepraia in insular areas might be explained through passive dispersion by marine birds or by vicariance of an ancestral widespread population. To clarify the biogeographic origin and phylogenetic relationships of island individuals of Mepraia, mitochondrial COI and cyt b genes were sequenced in individuals from island and continental areas. Gene sequences were used to estimate phylogenetic relationships, divergence dates and migration rates between insular and continental populations. The dates of divergence estimates are congruent with sea level and tectonic changes that originated the islands during Pleistocene. Migration rates suggest symmetric historical island-continent gene flow. We suggest that the origin of island triatomines can be explained by both vicariance and dispersion. Phylogenetic relationships show that individuals from Santa María Island and the continent clustered in a clade different from those previously reported, indicating a new lineage of Mepraia genus. https://www.selleckchem.com/products/fasoracetam-ns-105.html This study will contribute to understand the origin of the T. cruzi infection in coastal islands of northern Chile.Background Activity trackers such as the Fitbit Charge 2 enable users and researchers to monitor physical activity in daily life, which could be beneficial for changing behaviour. However, the accuracy of the Fitbit Charge 2 in a free-living environment is largely unknown. Objective To investigate the agreement between Fitbit Charge 2 and ActiGraph GT3X for the estimation of steps, energy expenditure, time in sedentary behaviour, and light and moderate-to-vigorous physical activity under free-living conditions, and further examine to what extent placing the ActiGraph on the wrist as opposed to the hip would affect the findings. Methods 41 adults (n = 10 males, n = 31 females) were asked to wear a Fitbit Charge 2 device and two ActiGraph GT3X devices (one on the hip and one on the wrist) for seven consecutive days and fill out a log of wear times. Agreement was assessed through Bland-Altman plots combined with multilevel analysis. Results The Fitbit measured 1,492 steps/day more than the hip-worn ActiGraph (limits of agreement [LoA] = -2,250; 5,234), while for sedentary time, it measured 25 min/day less (LoA = -137; 87). Both Bland-Altman plots showed fixed bias. For time in light physical activity, the Fitbit measured 59 min/day more (LoA = -52;169). For time in moderate-to-vigorous physical activity, the Fitbit measured 31 min/day less (LoA = -132; 71) and for activity energy expenditure it measured 408 kcal/day more than the hip-worn ActiGraph (LoA = -385; 1,200). For the two latter outputs, the plots indicated proportional bias. Similar or more pronounced discrepancies, mostly in opposite direction, appeared when comparing to the wrist-worn ActiGraph. Conclusion Moderate to substantial differences between devices were found for most outputs, which could be due to differences in algorithms. Caution should be taken if replacing one device with another and when comparing results.The complex environment within a crop canopy leads to a high variability of the air temperature within the canopy, and, therefore, air temperature measured at a weather station (WS) does not represent the internal energy within a crop. The objectives of this study were to quantify the difference between the air temperature measured at a standard WS and the air temperature within a six-year-old vineyard (cv. Chardonnay) and to determine the degree of uncertainty associated with the assumption that there is no difference between the two temperatures when air temperature is used as input in grapevine models. Thermistors and thermocouples were installed within the vine canopy at heights of 0.5 m and 1.2 m above the soil surface and immediately adjacent to the berry clusters. In the middle of the clusters sensors were installed to determine the temperature of the air surrounding the clusters facing east and west. The data were recorded within the canopy from December 2015 to June 2017 as well as at the standard WS that was installed close to the vineyard (410 m). Significant differences were found between the air temperatures measured at the WS and those within the vineyard during the summer when the average daily minimum air temperature within the canopy was 1.2°C less than at the WS and the average daily maximum air temperature in the canopy was 2.0°C higher than at the WS. The mean maximum air temperature measured in the clusters facing east was 1.5°C higher and west 4.0°C higher than the temperature measured at the WS. Therefore, models that assume that air temperature measured at a weather station is similar to air temperature measured in the vineyard canopy could have greater uncertainty than models that consider the temperature within the canopy.
    The model with clinical and pathological stage fit significantly better than the model with only pathological stage in all men (p = 0.01) and in men diagnosed during the PSA era (p = 0.04). The mutually adjusted model also improved discriminatory ability. In the Johns Hopkins cohort, the model with clinical and pathological stage improved discriminatory ability and fit significantly better overall (p less then 0.0001) and in the PSA era (p less then 0.0001). Conclusions Despite stage migration resulting from widespread PSA screening, clinical stage remains associated with progression to lethal prostate cancer independent of pathological stage. Future studies evaluating associations between new factors and poor outcome following prostatectomy should consider including both clinical and pathological stages since the data is already available.Chagas disease is one of the main zoonoses mediated by vectors in America. The etiological agent is the protozoan Trypanosoma cruzi, transmitted mainly by hematophagous insects of the subfamily Triatominae. Mepraia species are triatomines endemic to Chile that play an important role in T. cruzi transmission in the wild cycle and are potential vectors for humans. In addition to the continental distribution, populations of Mepraia genus have been reported inhabiting islands of northern Chile. The presence of individuals of Mepraia in insular areas might be explained through passive dispersion by marine birds or by vicariance of an ancestral widespread population. To clarify the biogeographic origin and phylogenetic relationships of island individuals of Mepraia, mitochondrial COI and cyt b genes were sequenced in individuals from island and continental areas. Gene sequences were used to estimate phylogenetic relationships, divergence dates and migration rates between insular and continental populations. The dates of divergence estimates are congruent with sea level and tectonic changes that originated the islands during Pleistocene. Migration rates suggest symmetric historical island-continent gene flow. We suggest that the origin of island triatomines can be explained by both vicariance and dispersion. Phylogenetic relationships show that individuals from Santa María Island and the continent clustered in a clade different from those previously reported, indicating a new lineage of Mepraia genus. https://www.selleckchem.com/products/fasoracetam-ns-105.html This study will contribute to understand the origin of the T. cruzi infection in coastal islands of northern Chile.Background Activity trackers such as the Fitbit Charge 2 enable users and researchers to monitor physical activity in daily life, which could be beneficial for changing behaviour. However, the accuracy of the Fitbit Charge 2 in a free-living environment is largely unknown. Objective To investigate the agreement between Fitbit Charge 2 and ActiGraph GT3X for the estimation of steps, energy expenditure, time in sedentary behaviour, and light and moderate-to-vigorous physical activity under free-living conditions, and further examine to what extent placing the ActiGraph on the wrist as opposed to the hip would affect the findings. Methods 41 adults (n = 10 males, n = 31 females) were asked to wear a Fitbit Charge 2 device and two ActiGraph GT3X devices (one on the hip and one on the wrist) for seven consecutive days and fill out a log of wear times. Agreement was assessed through Bland-Altman plots combined with multilevel analysis. Results The Fitbit measured 1,492 steps/day more than the hip-worn ActiGraph (limits of agreement [LoA] = -2,250; 5,234), while for sedentary time, it measured 25 min/day less (LoA = -137; 87). Both Bland-Altman plots showed fixed bias. For time in light physical activity, the Fitbit measured 59 min/day more (LoA = -52;169). For time in moderate-to-vigorous physical activity, the Fitbit measured 31 min/day less (LoA = -132; 71) and for activity energy expenditure it measured 408 kcal/day more than the hip-worn ActiGraph (LoA = -385; 1,200). For the two latter outputs, the plots indicated proportional bias. Similar or more pronounced discrepancies, mostly in opposite direction, appeared when comparing to the wrist-worn ActiGraph. Conclusion Moderate to substantial differences between devices were found for most outputs, which could be due to differences in algorithms. Caution should be taken if replacing one device with another and when comparing results.The complex environment within a crop canopy leads to a high variability of the air temperature within the canopy, and, therefore, air temperature measured at a weather station (WS) does not represent the internal energy within a crop. The objectives of this study were to quantify the difference between the air temperature measured at a standard WS and the air temperature within a six-year-old vineyard (cv. Chardonnay) and to determine the degree of uncertainty associated with the assumption that there is no difference between the two temperatures when air temperature is used as input in grapevine models. Thermistors and thermocouples were installed within the vine canopy at heights of 0.5 m and 1.2 m above the soil surface and immediately adjacent to the berry clusters. In the middle of the clusters sensors were installed to determine the temperature of the air surrounding the clusters facing east and west. The data were recorded within the canopy from December 2015 to June 2017 as well as at the standard WS that was installed close to the vineyard (410 m). Significant differences were found between the air temperatures measured at the WS and those within the vineyard during the summer when the average daily minimum air temperature within the canopy was 1.2°C less than at the WS and the average daily maximum air temperature in the canopy was 2.0°C higher than at the WS. The mean maximum air temperature measured in the clusters facing east was 1.5°C higher and west 4.0°C higher than the temperature measured at the WS. Therefore, models that assume that air temperature measured at a weather station is similar to air temperature measured in the vineyard canopy could have greater uncertainty than models that consider the temperature within the canopy.
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  • Genotyping by allele-specific sequencing suggests a major effect of mutations in the CRT1a A-genome copy, while the C-genome copy appears to have no significant impact on plant susceptibility when challenged with Vl43. As revealed by transcript analysis, the loss-of-function of CRT1a results in activation of the ethylene signaling pathway, which may contribute to reduced susceptibility. Furthermore, this study demonstrates a novel strategy with great potential to improve plant disease resistance. This article is protected by copyright. All rights reserved.OBJECTIVES To evaluate the prevalence of HPV colonization in female adolescents and young adults after allogenic hematopoietic stem cell transplantation. STUDY DESIGN In this prospective pilot study, we enrolled 18 girls and young women aged 12-22 years cared for at the SCT (stem cell transplantation) Outpatient Clinic of the St. Anna children's hospital. Vaginal, buccal, and rectal HPV swabs were collected twice at intervals of 2-6 months at the Outpatient Clinic for children's and adolescents' gynecology of the University Clinic for Gynecology Vienna. RESULTS Overall, 3 (16.7%; 95% CL [≥0.0%; 33.9%]) of the 18 patients were vaginally HPV-positive at least at one timepoint. Among these three, two patients belonged to the smaller sub-group (3 patients) of patients after coitarche and one patient belonged to the larger one (15 patients) of patients prior to coitarche. In one of the three vaginally HPV-positive patients, we also found HPV DNA rectally. Orally, HPV DNA could not be detected at all. CONCLUSIONS According to the data of this study, vaginal, buccal, and rectal HPV colonization seems to be of little relevance in girls and young women after HSCT prior to coitarche. As expected, a higher risk for vaginal HPV colonization could be shown by trend for patients after coitarche, but also for those having been treated with total body irradiation as a conditioning regimen and for those showing signs of vaginal hypoestrogenization-which has not been published so far. © 2020 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.OBJECTIVE To evaluate the association between bacterial vaginosis (BV) and autoimmune antibody positivity. METHOD We evaluated Pap-stained cervicovaginal smears of 210 patients with poor obstetric history who were admitted to a special preconception counseling program. Cytological specimens with various types of microorganisms except for BV, epithelial cell abnormalities and other non-neoplastic findings, including inflammation were excluded from the cohort in addition to patients with autoimmune and chronic inflammatory diseases. The remaining study population (n = 121) was divided into two groups of patients with autoimmune antibody positivity (study group, n = 80) and patients without antibody positivity (control group, n = 41). RESULTS The rate of BV was demonstrated to be 13.8% and 2.4% in the study and control groups respectively (p = 0.042). We also demonstrated that the antinuclear antibody (ANA) was positive in 58.3% of the cases with BV. CONCLUSION BV was found more frequently in patients with autoimmune antibody positivity to a statistically significant degree. This article is protected by copyright. All rights reserved.BACKGROUND Patients with cardiogenic shock may require hemodynamic stabilization with short-term mechanical circulatory support devices (ST-MCS) such as extracorporeal membrane oxygenation (ECMO) and centrifugal pump (CP) as bridge to transplant (BTT). This study aims to describe ECMO and CP during BTT and after heart transplant. METHODS A cohort of patients on ECMO or CP as BTT between April 2006 and April 2018 in a single hospital. RESULTS Thirty-seven consecutive patients with ECMO (n=14) or CP (n=23) were included. Acute kidney injury (AKI) was more prevalent during CP (28.6% vs. 69.6%, p=0.02). There were no differences in stroke, thrombosis, sepsis or vasoplegia. Bleeding (0 vs. 56.5%, p=0.0003) and reoperation (0 vs. 47.8%, p=0.002) were more frequent in CP group as well as mortality (0 vs. 7 [30.4%], p=0.03). The remaining 30 patients (81.1%) underwent heart transplantation, without differences in primary graft dysfunction, vasoplegia, reoperation for bleeding or hospital stay. Mortality was 23.3% at 30 days, similar in both groups, with no further deaths at median follow-up of 44.2 months CONCLUSIONS In patients with cardiogenic shock, ST-MCS with ECMO or CP as BTT are a lifesaving approach allowing successful transplantation in the majority of cases, with good short and long-term survival. This article is protected by copyright. All rights reserved.Human demand for food, fiber, and space is accelerating the rate of change of land cover and land use. **** of the world now consists of a matrix of natural forests, managed forests, agricultural cropland, and urbanized plots. Expansion of domestic energy production efforts in the USA is one driver predicted to influence future land-use and land management practices across large spatial scales. Favorable growing conditions make the southeastern USA an ideal location for producing a large portion of the country's renewable bioenergy. We investigated patterns of bat occurrence in two bioenergy feedstocks commonly grown in this region (corn, Zea mays, and pine, Pinus taeda and P. elliottii). We also evaluated potential impacts of the three major pathways of woody biomass extraction (residue removal following clearcut harvest, short-rotation energy plantations, and mid-rotation forest thinning) to bat occurrence through a priori land-use contrasts. We acoustically sampled bat vocalizations at 84 sites in the Soutt stands, arranging forest stands and crop fields to maximize edge habitat, and maintaining unmanaged forests could benefit bat communities by augmenting roosting and foraging opportunities. This article is protected by copyright. All rights reserved.IMPORTANCE Scleromyxedema is a chronic disease with high morbidity and mortality and no definitive therapeutic guidelines. OBJECTIVE To review all available data on the efficacy and the safety of the available treatments of scleromyxedema and suggest a possible therapeutic approach. EVIDENCE REVIEW We performed a systematic literature review in Pubmed/Medline, Embase, and Cochrane collaboration databases, searching for all articles since 1990 on the treatments of scleromyxedema, with no limits on participant age, gender, or nationality. FINDINGS Ninety-seven studies were included in this systematic review, of which one prospective, two retrospective, 70 case reports/case series, and 24 letters/correspondence/clinical image. https://www.selleckchem.com/products/dcemm1.html Intravenous immunoglobulin (IVIG) was the most used first-line therapy based on its efficacy and its generally well-tolerated nature; most patients require continued treatment to remain in remission. Thalidomide and systemic glucocorticoids were mostly considered as second-line therapies and were given alone or in association with IVIG.
    Genotyping by allele-specific sequencing suggests a major effect of mutations in the CRT1a A-genome copy, while the C-genome copy appears to have no significant impact on plant susceptibility when challenged with Vl43. As revealed by transcript analysis, the loss-of-function of CRT1a results in activation of the ethylene signaling pathway, which may contribute to reduced susceptibility. Furthermore, this study demonstrates a novel strategy with great potential to improve plant disease resistance. This article is protected by copyright. All rights reserved.OBJECTIVES To evaluate the prevalence of HPV colonization in female adolescents and young adults after allogenic hematopoietic stem cell transplantation. STUDY DESIGN In this prospective pilot study, we enrolled 18 girls and young women aged 12-22 years cared for at the SCT (stem cell transplantation) Outpatient Clinic of the St. Anna children's hospital. Vaginal, buccal, and rectal HPV swabs were collected twice at intervals of 2-6 months at the Outpatient Clinic for children's and adolescents' gynecology of the University Clinic for Gynecology Vienna. RESULTS Overall, 3 (16.7%; 95% CL [≥0.0%; 33.9%]) of the 18 patients were vaginally HPV-positive at least at one timepoint. Among these three, two patients belonged to the smaller sub-group (3 patients) of patients after coitarche and one patient belonged to the larger one (15 patients) of patients prior to coitarche. In one of the three vaginally HPV-positive patients, we also found HPV DNA rectally. Orally, HPV DNA could not be detected at all. CONCLUSIONS According to the data of this study, vaginal, buccal, and rectal HPV colonization seems to be of little relevance in girls and young women after HSCT prior to coitarche. As expected, a higher risk for vaginal HPV colonization could be shown by trend for patients after coitarche, but also for those having been treated with total body irradiation as a conditioning regimen and for those showing signs of vaginal hypoestrogenization-which has not been published so far. © 2020 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.OBJECTIVE To evaluate the association between bacterial vaginosis (BV) and autoimmune antibody positivity. METHOD We evaluated Pap-stained cervicovaginal smears of 210 patients with poor obstetric history who were admitted to a special preconception counseling program. Cytological specimens with various types of microorganisms except for BV, epithelial cell abnormalities and other non-neoplastic findings, including inflammation were excluded from the cohort in addition to patients with autoimmune and chronic inflammatory diseases. The remaining study population (n = 121) was divided into two groups of patients with autoimmune antibody positivity (study group, n = 80) and patients without antibody positivity (control group, n = 41). RESULTS The rate of BV was demonstrated to be 13.8% and 2.4% in the study and control groups respectively (p = 0.042). We also demonstrated that the antinuclear antibody (ANA) was positive in 58.3% of the cases with BV. CONCLUSION BV was found more frequently in patients with autoimmune antibody positivity to a statistically significant degree. This article is protected by copyright. All rights reserved.BACKGROUND Patients with cardiogenic shock may require hemodynamic stabilization with short-term mechanical circulatory support devices (ST-MCS) such as extracorporeal membrane oxygenation (ECMO) and centrifugal pump (CP) as bridge to transplant (BTT). This study aims to describe ECMO and CP during BTT and after heart transplant. METHODS A cohort of patients on ECMO or CP as BTT between April 2006 and April 2018 in a single hospital. RESULTS Thirty-seven consecutive patients with ECMO (n=14) or CP (n=23) were included. Acute kidney injury (AKI) was more prevalent during CP (28.6% vs. 69.6%, p=0.02). There were no differences in stroke, thrombosis, sepsis or vasoplegia. Bleeding (0 vs. 56.5%, p=0.0003) and reoperation (0 vs. 47.8%, p=0.002) were more frequent in CP group as well as mortality (0 vs. 7 [30.4%], p=0.03). The remaining 30 patients (81.1%) underwent heart transplantation, without differences in primary graft dysfunction, vasoplegia, reoperation for bleeding or hospital stay. Mortality was 23.3% at 30 days, similar in both groups, with no further deaths at median follow-up of 44.2 months CONCLUSIONS In patients with cardiogenic shock, ST-MCS with ECMO or CP as BTT are a lifesaving approach allowing successful transplantation in the majority of cases, with good short and long-term survival. This article is protected by copyright. All rights reserved.Human demand for food, fiber, and space is accelerating the rate of change of land cover and land use. Much of the world now consists of a matrix of natural forests, managed forests, agricultural cropland, and urbanized plots. Expansion of domestic energy production efforts in the USA is one driver predicted to influence future land-use and land management practices across large spatial scales. Favorable growing conditions make the southeastern USA an ideal location for producing a large portion of the country's renewable bioenergy. We investigated patterns of bat occurrence in two bioenergy feedstocks commonly grown in this region (corn, Zea mays, and pine, Pinus taeda and P. elliottii). We also evaluated potential impacts of the three major pathways of woody biomass extraction (residue removal following clearcut harvest, short-rotation energy plantations, and mid-rotation forest thinning) to bat occurrence through a priori land-use contrasts. We acoustically sampled bat vocalizations at 84 sites in the Soutt stands, arranging forest stands and crop fields to maximize edge habitat, and maintaining unmanaged forests could benefit bat communities by augmenting roosting and foraging opportunities. This article is protected by copyright. All rights reserved.IMPORTANCE Scleromyxedema is a chronic disease with high morbidity and mortality and no definitive therapeutic guidelines. OBJECTIVE To review all available data on the efficacy and the safety of the available treatments of scleromyxedema and suggest a possible therapeutic approach. EVIDENCE REVIEW We performed a systematic literature review in Pubmed/Medline, Embase, and Cochrane collaboration databases, searching for all articles since 1990 on the treatments of scleromyxedema, with no limits on participant age, gender, or nationality. FINDINGS Ninety-seven studies were included in this systematic review, of which one prospective, two retrospective, 70 case reports/case series, and 24 letters/correspondence/clinical image. https://www.selleckchem.com/products/dcemm1.html Intravenous immunoglobulin (IVIG) was the most used first-line therapy based on its efficacy and its generally well-tolerated nature; most patients require continued treatment to remain in remission. Thalidomide and systemic glucocorticoids were mostly considered as second-line therapies and were given alone or in association with IVIG.
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  • Mercury pollution is a global environmental problem that threatens ecosystems, and negatively impacts human health and well-being. Mercury accumulation in fish within freshwater lakes is a complex process that appears to be driven by factors such as individual fish biology and water chemistry at the lake-scale, whereas, climate, and land-use/land-cover conditions within lake catchments can be influential at relatively larger scales. Nevertheless, unravelling the intricate network of pathways that govern how lake-scale and large-scale factors interact to affect mercury levels in fish remains an important scientific challenge. Using structural equation models (SEMs) and multiple long-term databases we identified direct and indirect effects of lake-scale and larger-scale factors on mercury levels in Walleye and Northern Pike - two species that are valued in inland fisheries. At the lake-level, the most parsimonious path models contained direct effects of fish weight, DOC, and pH, as well as an indirect effect of DOC on fish mercury levels via fish weight. Interestingly, lakeshed-, climate-, and full-path models that combine the effects of both lakeshed and climate revealed indirect effects of surrounding landscape conditions and latitude via DOC, pH, and fish weight but no direct effects on fish mercury levels. These results are generally consistent across species and lakes, except for some differences between stratified and non-stratified lakes. Our findings imply that understanding climate and land-use driven alterations of water chemistry and fish biology will be critical to predicting and mitigating fish mercury bioaccumulation in the future.Countering climate challenges requires genuine multi-layered approaches in cooperation with various stakeholders. Spanning 20 years, the Asia-Pacific Network for Global Change Research (APN) has been facilitating the research community to provide regional and grassroots results and solutions, while acting as a mechanism to encourage science-policy-stakeholder dialogue. https://www.selleckchem.com/products/8-cyclopentyl-1-3-dimethylxanthine.html This paper outlines the relevance of APN projects to IPCC policymaking by laying out knowledge products and lessons learned from the projects. It also narrates how regional research and capacity building assist in responding to the increasing urgency across climate change and the SDGs. A synthesis of project-generated knowledge was garnered from research and capacity development studies conducted under the auspices of APN to identify their scope and level of policy relevance. A combined typology and solution scanning with Likert scale as relevance rating was employed to categorize contribution against key themes of the IPCC sixth assessment reph and capacity development outcomes will help in realizing these important aspects toward wider policy impact.The Environmental influences on Child Health Outcomes (ECHO) Program is a research initiative funded by the National Institutes of Health that capitalizes on existing cohort studies to investigate the impact of early life environmental factors on child health and development from infancy through adolescence. In the initial stage of the program, extant data from 70 existing cohort studies are being uploaded to a database that will be publicly available to researchers. This new database will represent an unprecedented opportunity for researchers to combine data across existing cohorts to address associations between prenatal chemical exposures and child neurodevelopment. Data elements collected by ECHO cohorts were determined via a series of surveys administered by the ECHO Data Analysis Center. The most common chemical classes quantified in multiple cohorts include organophosphate pesticides, polychlorinated biphenyls, polybrominated diphenyl ethers, environmental phenols (including bisphenol A), phthalates, and metals. For each of these chemicals, at least four ECHO cohorts also collected behavioral data during infancy/early childhood using the Child Behavior Checklist. For these chemicals and this neurodevelopmental assessment (as an example), existing data from multiple ECHO cohorts could be pooled to address research questions requiring larger sample sizes than previously available. In addition to summarizing the data that will be available, the article also describes some of the challenges inherent in combining existing data across cohorts, as well as the gaps that could be filled by the additional data collection in the ECHO Program going forward.Introduction Measuring and mapping the occurrence of malignant mesothelioma (MM) is a useful means to monitor the impact of past asbestos exposure and possibly identify previously unknown sources of asbestos exposure. Objective Our goal is to decompose the observed spatial pattern of incidence of MM in the Lombardy region (Italy) in gender-specific components linked to occupational exposure and a shared component linked to environmental exposure. Materials and methods We selected from the Lombardy Region Mesothelioma Registry (RML) all incident cases of MM (pleura, peritoneum, pericardium, and tunica vaginalis testis) with first diagnosis in the period 2000-2016. We mapped at municipality level crude incidence rates and smoothed rates using the Besag York and Mollié model separately for men and women. We then decomposed the spatial pattern of MM in gender-specific occupational components and a shared environmental component using a multivariate hierarchical Bayesian model. Results We globally analyzed 6226 MMon of MM cases in two components interpreted as occupational and environmental.A series of nanomaterials have been demonstrated to be powerful for direct degradation of diethyl paraoxon (EP) to diethyl phosphate and 4-nitrophenol in aqueous solution. However, comparison of catalytic activity of different nanomaterials toward EP is rarely explored. In the present study, four different morphological nanoceria (cubes, rods, polyhedral, and spheres) were synthesized, characterized, and evaluated as a catalyst for the degradation of EP in comparison to other commercially available nanomaterials. Among the tested nanoceria, the cerium dioxide (CeO2) nanopolyhedra possess the best catalytic activity toward the hydrolysis of EP owing to their abundant oxygen vacancy sites, optimal ratio of Ce(III) to Ce(IV), and specific exposed facets. Under the conditions of 0.2 M NH3/NH4Cl buffer and 25 °C, the CeO2 nanopolyhedra catalyzed the reduction of EP to 4-nitrophenol with a >99% conversion at pH 8.0 for 50 h, at pH 10.0 for 12 h, and at pH 12.0 for 2.5 h. The catalytic degradation of nearly 100% EP in NH3/NH4Cl buffer (pH 10.
    Mercury pollution is a global environmental problem that threatens ecosystems, and negatively impacts human health and well-being. Mercury accumulation in fish within freshwater lakes is a complex process that appears to be driven by factors such as individual fish biology and water chemistry at the lake-scale, whereas, climate, and land-use/land-cover conditions within lake catchments can be influential at relatively larger scales. Nevertheless, unravelling the intricate network of pathways that govern how lake-scale and large-scale factors interact to affect mercury levels in fish remains an important scientific challenge. Using structural equation models (SEMs) and multiple long-term databases we identified direct and indirect effects of lake-scale and larger-scale factors on mercury levels in Walleye and Northern Pike - two species that are valued in inland fisheries. At the lake-level, the most parsimonious path models contained direct effects of fish weight, DOC, and pH, as well as an indirect effect of DOC on fish mercury levels via fish weight. Interestingly, lakeshed-, climate-, and full-path models that combine the effects of both lakeshed and climate revealed indirect effects of surrounding landscape conditions and latitude via DOC, pH, and fish weight but no direct effects on fish mercury levels. These results are generally consistent across species and lakes, except for some differences between stratified and non-stratified lakes. Our findings imply that understanding climate and land-use driven alterations of water chemistry and fish biology will be critical to predicting and mitigating fish mercury bioaccumulation in the future.Countering climate challenges requires genuine multi-layered approaches in cooperation with various stakeholders. Spanning 20 years, the Asia-Pacific Network for Global Change Research (APN) has been facilitating the research community to provide regional and grassroots results and solutions, while acting as a mechanism to encourage science-policy-stakeholder dialogue. https://www.selleckchem.com/products/8-cyclopentyl-1-3-dimethylxanthine.html This paper outlines the relevance of APN projects to IPCC policymaking by laying out knowledge products and lessons learned from the projects. It also narrates how regional research and capacity building assist in responding to the increasing urgency across climate change and the SDGs. A synthesis of project-generated knowledge was garnered from research and capacity development studies conducted under the auspices of APN to identify their scope and level of policy relevance. A combined typology and solution scanning with Likert scale as relevance rating was employed to categorize contribution against key themes of the IPCC sixth assessment reph and capacity development outcomes will help in realizing these important aspects toward wider policy impact.The Environmental influences on Child Health Outcomes (ECHO) Program is a research initiative funded by the National Institutes of Health that capitalizes on existing cohort studies to investigate the impact of early life environmental factors on child health and development from infancy through adolescence. In the initial stage of the program, extant data from 70 existing cohort studies are being uploaded to a database that will be publicly available to researchers. This new database will represent an unprecedented opportunity for researchers to combine data across existing cohorts to address associations between prenatal chemical exposures and child neurodevelopment. Data elements collected by ECHO cohorts were determined via a series of surveys administered by the ECHO Data Analysis Center. The most common chemical classes quantified in multiple cohorts include organophosphate pesticides, polychlorinated biphenyls, polybrominated diphenyl ethers, environmental phenols (including bisphenol A), phthalates, and metals. For each of these chemicals, at least four ECHO cohorts also collected behavioral data during infancy/early childhood using the Child Behavior Checklist. For these chemicals and this neurodevelopmental assessment (as an example), existing data from multiple ECHO cohorts could be pooled to address research questions requiring larger sample sizes than previously available. In addition to summarizing the data that will be available, the article also describes some of the challenges inherent in combining existing data across cohorts, as well as the gaps that could be filled by the additional data collection in the ECHO Program going forward.Introduction Measuring and mapping the occurrence of malignant mesothelioma (MM) is a useful means to monitor the impact of past asbestos exposure and possibly identify previously unknown sources of asbestos exposure. Objective Our goal is to decompose the observed spatial pattern of incidence of MM in the Lombardy region (Italy) in gender-specific components linked to occupational exposure and a shared component linked to environmental exposure. Materials and methods We selected from the Lombardy Region Mesothelioma Registry (RML) all incident cases of MM (pleura, peritoneum, pericardium, and tunica vaginalis testis) with first diagnosis in the period 2000-2016. We mapped at municipality level crude incidence rates and smoothed rates using the Besag York and Mollié model separately for men and women. We then decomposed the spatial pattern of MM in gender-specific occupational components and a shared environmental component using a multivariate hierarchical Bayesian model. Results We globally analyzed 6226 MMon of MM cases in two components interpreted as occupational and environmental.A series of nanomaterials have been demonstrated to be powerful for direct degradation of diethyl paraoxon (EP) to diethyl phosphate and 4-nitrophenol in aqueous solution. However, comparison of catalytic activity of different nanomaterials toward EP is rarely explored. In the present study, four different morphological nanoceria (cubes, rods, polyhedral, and spheres) were synthesized, characterized, and evaluated as a catalyst for the degradation of EP in comparison to other commercially available nanomaterials. Among the tested nanoceria, the cerium dioxide (CeO2) nanopolyhedra possess the best catalytic activity toward the hydrolysis of EP owing to their abundant oxygen vacancy sites, optimal ratio of Ce(III) to Ce(IV), and specific exposed facets. Under the conditions of 0.2 M NH3/NH4Cl buffer and 25 °C, the CeO2 nanopolyhedra catalyzed the reduction of EP to 4-nitrophenol with a >99% conversion at pH 8.0 for 50 h, at pH 10.0 for 12 h, and at pH 12.0 for 2.5 h. The catalytic degradation of nearly 100% EP in NH3/NH4Cl buffer (pH 10.
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  • Miscellaneous incidental findings were noted as free text. RESULTS The LVV was increased in 24.7% of VP/VLBW individuals and significantly larger than in FT controls. This was best identified by measurement of FOHR (AUC = 0.928). Ventricular enlargement was predicted by low gestational age (odds ratio 0.71, 95% CI 0.51-0.98) and presence of neonatal intracranial hemorrhage (odds ratio 0.26, 95% CI 0.07-0.92). The numbers of deep and periventricular WML were increased while subcortical WMLs were not. CONCLUSION Enlargement of the LVV and deep and periventricular WMLs are typical sequelae of premature birth that can be appreciated on routine brain MRI. To increase sensitivity of abnormal LVV detection, measurement of FOHR seems feasible in clinical practice.OBJECTIVE The purpose of this study was to compare reliability of lower extremity imaging measurements using EOS and conventional X-ray (CR) of adult patients with mechanical axis malalignment. MATERIALS AND METHODS Ten patients (20 lower limbs) of mean age of 31.6 years (range 21-39) with post-traumatic deformities who presented for evaluation of osteotomies and/or ligament and cartilage reconstructions were prospectively enrolled. Two independent observers performed full-length anterior-posterior (AP) measurements 2 weeks apart on both CXR and two-dimensional (2D) EOS images. Measurements included weight-bearing axis (WBA), varus/valgus angle (V/V), femoral length (FL), tibial length (TL), femoral mechanical axis (FMA), tibial mechanical axis (TMA), and total limb length (TLL). Reliability was determined with random effects modeling of intraclass correlation coefficients (ICC) set to consistency. Three statistical operations were performed to compare interrater validity in CXR and EOS students' two-sample t test, paired two-sample t test, and Pearson's correlative r-statistical agreement. RESULTS There was a statistically significant difference for V/V, FL, and TLL (all p  less then  0.01) between CXR and EOS. A relatively large proportion of the population consistently had larger V/V measures for EOS compared to CXR. In contrast, the FL and TLL measures were consistently larger for CXR compared to EOS. The differences between CXR and EOS measurements were statistically significant, though the small differences in values were not clinically meaningful. https://www.selleckchem.com/products/didox.html Agreement of all measures remained high (r = 0.84-0.99). CONCLUSION Using 2D EOS for lower extremity measurements is reproducible, reliable, and comparable to the gold standard, standing long leg radiographs.OBJECTIVES Extra-articular posteromedial talocalcaneal coalition (EA-PM TCC) accounts for approximately one-third of TCC, but its radiographic features are not well-described. The current study aims to compare the radiographic features of EA-PM TCC with normal ankles and with the commoner forms of TCC. MATERIALS AND METHODS A retrospective review of cases of TCC over 12 years for whom radiographs, CT, and/or MRI study were available. Radiographs were assessed by 2 radiologists for the presence of the C-sign, talar beak, dysmorphic sustentaculum, absent middle facet, and prominence of the posterior subtalar joint. TCC was classified by a third radiologist based on CT/MRI findings into 3 groups no TCC, EA-PM TCC, and other TCCs. The radiographic findings for the 3 groups were compared. RESULTS The study included 50 patients, 28 males and 22 females with a mean age of 21.1 years (range 8-70 years). In 15 patients, both ankles had been imaged, resulting in a total of 65 cases. In 17 ankles, no TCC was identified, while 15 ankles were classified as EA-PM TCC and 33 as having other types of TCC. There were no statistically significant differentiating radiological features between the groups with no TCC and EA-PM TCC apart from prominence of the posterior subtalar joint, while only the C-sign allowed identification of patients with other types of TCC. CONCLUSIONS The study suggests that EA-PM TCC cannot be diagnosed based on the classical indirect radiological signs of TCC, but can be identified by prominence of the posterior subtalar joint.INTRODUCTION AND HYPOTHESIS The objective was to describe the behaviour of the bladder neck and proximal urethra during urine leaking in the cough stress test (CST) in supine and standing positions using transperineal ultrasound (TPUS). METHOD We carried out prospective data collection and a retrospective data analysis of 102 women with stress urinary incontinence (SUI) who had a positive CST with TPUS in the supine and/or standing position. On TPUS, the behaviour of the bladder neck and proximal urethra was described by the urethral length, urethral funnelling, bladder neck descent (BND), retrovesical angle (RVA) and urethral rotation angle (URA). Differences between the ultrasound findings in the two positions were evaluated. RESULTS In the 102 women, the mean age was 48 years and mean BMI was 23.8 kg/m2. On TPUS, urine leakage was detected in the supine or standing position in 102 women and in both positions in 81. Between the two positions, significant differences were found in the URA and RVA. In the standing position, the median RVA of 166° was significantly larger than that of 133° in the supine position (p  less then  0.001), and the median URA of 35° was significantly smaller than that of 64° in the supine position (p  less then  0.001). CONCLUSIONS TPUS in both positions can be used to detect the real-time behaviour of the bladder neck and urethra in the CST. In the standing position, less rotation and more straightening of the bladder neck and proximal urethra occurred during urine leakage.BACKGROUND Liver metastases represent the most common secondary malignant liver disease. Data regarding the incidence of colorectal and non-colorectal liver metastases are rare due to insufficient documentation in a register. Results regarding neoadjuvant therapy are limited and mostly from retrospective analyses. OBJECTIVE A summary and rating of the rationale for neoadjuvant therapeutic concepts for colorectal and non-colorectal liver metastases were performed. MATERIAL UND METHODS The analysis was based on European and American guidelines and included publications in both German and English languages. The results and recommendations were summarized and a review based on the literature is given. RESULTS Neoadjuvant treatment of liver metastases is performed with heterogeneous intentions. The selection of biologically favorable tumors as well as the conversion of primarily non-operable into resectable metastases of the liver are classical reasons for neoadjuvant treatment. The rationale for neoadjuvant treatment of colorectal and especially for non-colorectal liver metastases cannot be answered in a consistently coherent way with respect to the current status quo of the literature and guidelines.
    Miscellaneous incidental findings were noted as free text. RESULTS The LVV was increased in 24.7% of VP/VLBW individuals and significantly larger than in FT controls. This was best identified by measurement of FOHR (AUC = 0.928). Ventricular enlargement was predicted by low gestational age (odds ratio 0.71, 95% CI 0.51-0.98) and presence of neonatal intracranial hemorrhage (odds ratio 0.26, 95% CI 0.07-0.92). The numbers of deep and periventricular WML were increased while subcortical WMLs were not. CONCLUSION Enlargement of the LVV and deep and periventricular WMLs are typical sequelae of premature birth that can be appreciated on routine brain MRI. To increase sensitivity of abnormal LVV detection, measurement of FOHR seems feasible in clinical practice.OBJECTIVE The purpose of this study was to compare reliability of lower extremity imaging measurements using EOS and conventional X-ray (CR) of adult patients with mechanical axis malalignment. MATERIALS AND METHODS Ten patients (20 lower limbs) of mean age of 31.6 years (range 21-39) with post-traumatic deformities who presented for evaluation of osteotomies and/or ligament and cartilage reconstructions were prospectively enrolled. Two independent observers performed full-length anterior-posterior (AP) measurements 2 weeks apart on both CXR and two-dimensional (2D) EOS images. Measurements included weight-bearing axis (WBA), varus/valgus angle (V/V), femoral length (FL), tibial length (TL), femoral mechanical axis (FMA), tibial mechanical axis (TMA), and total limb length (TLL). Reliability was determined with random effects modeling of intraclass correlation coefficients (ICC) set to consistency. Three statistical operations were performed to compare interrater validity in CXR and EOS students' two-sample t test, paired two-sample t test, and Pearson's correlative r-statistical agreement. RESULTS There was a statistically significant difference for V/V, FL, and TLL (all p  less then  0.01) between CXR and EOS. A relatively large proportion of the population consistently had larger V/V measures for EOS compared to CXR. In contrast, the FL and TLL measures were consistently larger for CXR compared to EOS. The differences between CXR and EOS measurements were statistically significant, though the small differences in values were not clinically meaningful. https://www.selleckchem.com/products/didox.html Agreement of all measures remained high (r = 0.84-0.99). CONCLUSION Using 2D EOS for lower extremity measurements is reproducible, reliable, and comparable to the gold standard, standing long leg radiographs.OBJECTIVES Extra-articular posteromedial talocalcaneal coalition (EA-PM TCC) accounts for approximately one-third of TCC, but its radiographic features are not well-described. The current study aims to compare the radiographic features of EA-PM TCC with normal ankles and with the commoner forms of TCC. MATERIALS AND METHODS A retrospective review of cases of TCC over 12 years for whom radiographs, CT, and/or MRI study were available. Radiographs were assessed by 2 radiologists for the presence of the C-sign, talar beak, dysmorphic sustentaculum, absent middle facet, and prominence of the posterior subtalar joint. TCC was classified by a third radiologist based on CT/MRI findings into 3 groups no TCC, EA-PM TCC, and other TCCs. The radiographic findings for the 3 groups were compared. RESULTS The study included 50 patients, 28 males and 22 females with a mean age of 21.1 years (range 8-70 years). In 15 patients, both ankles had been imaged, resulting in a total of 65 cases. In 17 ankles, no TCC was identified, while 15 ankles were classified as EA-PM TCC and 33 as having other types of TCC. There were no statistically significant differentiating radiological features between the groups with no TCC and EA-PM TCC apart from prominence of the posterior subtalar joint, while only the C-sign allowed identification of patients with other types of TCC. CONCLUSIONS The study suggests that EA-PM TCC cannot be diagnosed based on the classical indirect radiological signs of TCC, but can be identified by prominence of the posterior subtalar joint.INTRODUCTION AND HYPOTHESIS The objective was to describe the behaviour of the bladder neck and proximal urethra during urine leaking in the cough stress test (CST) in supine and standing positions using transperineal ultrasound (TPUS). METHOD We carried out prospective data collection and a retrospective data analysis of 102 women with stress urinary incontinence (SUI) who had a positive CST with TPUS in the supine and/or standing position. On TPUS, the behaviour of the bladder neck and proximal urethra was described by the urethral length, urethral funnelling, bladder neck descent (BND), retrovesical angle (RVA) and urethral rotation angle (URA). Differences between the ultrasound findings in the two positions were evaluated. RESULTS In the 102 women, the mean age was 48 years and mean BMI was 23.8 kg/m2. On TPUS, urine leakage was detected in the supine or standing position in 102 women and in both positions in 81. Between the two positions, significant differences were found in the URA and RVA. In the standing position, the median RVA of 166° was significantly larger than that of 133° in the supine position (p  less then  0.001), and the median URA of 35° was significantly smaller than that of 64° in the supine position (p  less then  0.001). CONCLUSIONS TPUS in both positions can be used to detect the real-time behaviour of the bladder neck and urethra in the CST. In the standing position, less rotation and more straightening of the bladder neck and proximal urethra occurred during urine leakage.BACKGROUND Liver metastases represent the most common secondary malignant liver disease. Data regarding the incidence of colorectal and non-colorectal liver metastases are rare due to insufficient documentation in a register. Results regarding neoadjuvant therapy are limited and mostly from retrospective analyses. OBJECTIVE A summary and rating of the rationale for neoadjuvant therapeutic concepts for colorectal and non-colorectal liver metastases were performed. MATERIAL UND METHODS The analysis was based on European and American guidelines and included publications in both German and English languages. The results and recommendations were summarized and a review based on the literature is given. RESULTS Neoadjuvant treatment of liver metastases is performed with heterogeneous intentions. The selection of biologically favorable tumors as well as the conversion of primarily non-operable into resectable metastases of the liver are classical reasons for neoadjuvant treatment. The rationale for neoadjuvant treatment of colorectal and especially for non-colorectal liver metastases cannot be answered in a consistently coherent way with respect to the current status quo of the literature and guidelines.
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  • 69% vs 0.87%, respectively). Compared with patients with SVR, patients without SVR had a significantly higher risk of gastric cancer (0.10% vs 0.03% per person-year, P = 0.004) and non-Hodgkin lymphoma (NHL) (0.08% vs 0.03% per person-year, respectively, P = 0.03). When considering death as a competing risk, non-SVR was independently associated with gastric cancer (hazard ratio [HR]/95% confidence intervals [CIs] 3.29/1.37-7.93, P = 0.008). When patients were stratified by age, the effect of SVR in reducing gastric cancer (HR/CI 0.30/0.11-0.83) and NHL (HR/CI 0.28/0.09-0.85) was noted only in patients aged 65 years. DISCUSSION HCV eradication reduced the risk of gastric cancer and NHL, in particular among younger patients, indicating that patients with chronic hepatitis C should be treated as early as possible.INTRODUCTION Pharmacological interventions have not been successful in the treatment of childhood functional abdominal pain (FAP) hitherto. Buspirone is suggested to be efficacious in some of the abdominal pain-related functional gastrointestinal disorders based on evidences from the studies on adults. We aim to investigate the efficacy of buspirone on childhood FAP. METHODS This randomized clinical trial was conducted on 117 patients with childhood FAP aged 6-18 years. We randomly assigned patients to receive buspirone or placebo for 4 weeks, with the adjusted dosage for age. Participants completed the questionnaires assessing pain, depression, anxiety, somatization, and sleep disturbances at baseline, at the end of the 4-week therapy (first follow-up), and at 8 weeks after medication discontinuation (second follow-up). The primary outcome was treatment response rate, defined as reduced pain score of ≥2 or reporting no pain at the follow-up assessments. RESULTS Ninety-five patients completed the 4-week therapy (48 and 47 in buspirone and placebo groups, respectively). Both buspirone and placebo reduced pain after 4 weeks of treatment, and these effects were persistent 8 weeks after medication discontinuation (P less then 0.001 for both groups at weeks 4 and 12). https://www.selleckchem.com/products/voruciclib.html Treatment response rates for buspirone and placebo were 58.3% and 59.6% at week 4 (P = 0.902) and 68.1% and 71.1% at week 12 (P = 0.753), respectively. DISCUSSION Buspirone effectively improves pain and associated psychological symptoms including depressive symptoms, anxiety, somatization, and sleep disturbances in childhood FAP but has no superiority over placebo. Further studies, with the higher doses of buspirone and longer follow-ups are recommended.BACKGROUND Hepatitis C virus (HCV) is the most common viral infection among illicit drug users in the world. Although intervention of needle and syringe program and opioid substitution therapy had engaged to prevent HCV infection, the prevalence of HCV infection seem not declined. The aim of this study was to estimate risk of HCV infection in injection drug uses (IDUs) and non-injection drug users (NIDUs) receiving opioid substitution therapy. METHODS We recruited 1179 heroin-dependent patients (age 20 - 66 years) under opioid substitution therapy from 2012 to 2015 in a Psychiatric Center, Southern Taiwan. The data of HCV, hepatitis B virus (HBV) and HIV infection and liver biochemical examination were obtained. We used multivariate logistic regression analysis to predict the risk of HCV infection. RESULTS There were 93.1% of IDUs and 68.1% of NIDUs positive for HCV infection. In IDUs, HIV infection, age of heroin initiation, duration and dose of heroin use, frequency of detoxification and number of criminal conviction were significantly associated with HCV infection. In NIDUs, snort/sniff heroin exhibited a significantly increased risk of HCV infection. Intravenous injecting (OR = 23.10; 95% CI = 8.04, 66.40, p less then 0.001), intravenous injecting combined snort/sniff (OR = 12.95; 95% CI = 3.90, 42.97, p less then 0.001) and snort/sniff (OR = 4.14; 95% CI = 1.30, 13.18, p = 0.016) were significantly associated with increased risk of HCV infection compared with smoking. The trend was significant (p for trend less then 0.001) CONCLUSION. In Taiwan, IDUs had harmful characteristics compared with NIDUs and both had extremely high prevalence of HCV infection. We provided evidence that snort/sniff is a possible way of leak in HCV infection despite needle-syringes supplement program been provided. Opioid substitution therapy program should include HCV assessment and treatment in the new direct-acting antiviral therapy era.BACKGROUND Chondrosarcoma is the second most common primary sarcoma of the bone. Surgery remains the gold standard for treatment due to chemotherapy and radiotherapy resistance in chondrosarcoma. The main aim of our study was to analyze patients with primary chondrosarcoma of the bone who were treated in a single tumor center. We identified the prognostic factors for overall survival, metastasis-free survival, and recurrence-free survival. METHODS From 1998 to 2012, 55 consecutive patients were treated surgically. All patients were followed for local recurrence or distant metastasis. Uni- and multivariate analyses were performed for overall, metastasis-free and recurrence-free survival. RESULTS Local recurrence developed in 29 of the 55 patients (52.7%). Recurrence-free survival in the multivariate analysis showed a significant association with the surgical margin, and high-grade lesions were an independent factor for local recurrence.In total, 11 patients died of the disease in the study, and the 5- and 10-year survival rates were 84.4% and 78.1%, respectively. The tumor grade and local recurrence were significant factors in the univariate analysis but were insignificant in the Cox regression with time-dependent covariates (p = 0.327 and p = 0.82, respectively). The development of distant metastasis was a significant poor prognostic factor in both the uni- and multivariate analyses. CONCLUSION Chondrosarcoma of the bone is a disease with surgery-dependent outcomes; but, however, patients often develop subsequent recurrence of the disease. The surgical margins were statistically associated with the risk of subsequent local recurrence but did not predict survival. The development of distant metastases was an independent prognostic factor for poor survival.
    69% vs 0.87%, respectively). Compared with patients with SVR, patients without SVR had a significantly higher risk of gastric cancer (0.10% vs 0.03% per person-year, P = 0.004) and non-Hodgkin lymphoma (NHL) (0.08% vs 0.03% per person-year, respectively, P = 0.03). When considering death as a competing risk, non-SVR was independently associated with gastric cancer (hazard ratio [HR]/95% confidence intervals [CIs] 3.29/1.37-7.93, P = 0.008). When patients were stratified by age, the effect of SVR in reducing gastric cancer (HR/CI 0.30/0.11-0.83) and NHL (HR/CI 0.28/0.09-0.85) was noted only in patients aged 65 years. DISCUSSION HCV eradication reduced the risk of gastric cancer and NHL, in particular among younger patients, indicating that patients with chronic hepatitis C should be treated as early as possible.INTRODUCTION Pharmacological interventions have not been successful in the treatment of childhood functional abdominal pain (FAP) hitherto. Buspirone is suggested to be efficacious in some of the abdominal pain-related functional gastrointestinal disorders based on evidences from the studies on adults. We aim to investigate the efficacy of buspirone on childhood FAP. METHODS This randomized clinical trial was conducted on 117 patients with childhood FAP aged 6-18 years. We randomly assigned patients to receive buspirone or placebo for 4 weeks, with the adjusted dosage for age. Participants completed the questionnaires assessing pain, depression, anxiety, somatization, and sleep disturbances at baseline, at the end of the 4-week therapy (first follow-up), and at 8 weeks after medication discontinuation (second follow-up). The primary outcome was treatment response rate, defined as reduced pain score of ≥2 or reporting no pain at the follow-up assessments. RESULTS Ninety-five patients completed the 4-week therapy (48 and 47 in buspirone and placebo groups, respectively). Both buspirone and placebo reduced pain after 4 weeks of treatment, and these effects were persistent 8 weeks after medication discontinuation (P less then 0.001 for both groups at weeks 4 and 12). https://www.selleckchem.com/products/voruciclib.html Treatment response rates for buspirone and placebo were 58.3% and 59.6% at week 4 (P = 0.902) and 68.1% and 71.1% at week 12 (P = 0.753), respectively. DISCUSSION Buspirone effectively improves pain and associated psychological symptoms including depressive symptoms, anxiety, somatization, and sleep disturbances in childhood FAP but has no superiority over placebo. Further studies, with the higher doses of buspirone and longer follow-ups are recommended.BACKGROUND Hepatitis C virus (HCV) is the most common viral infection among illicit drug users in the world. Although intervention of needle and syringe program and opioid substitution therapy had engaged to prevent HCV infection, the prevalence of HCV infection seem not declined. The aim of this study was to estimate risk of HCV infection in injection drug uses (IDUs) and non-injection drug users (NIDUs) receiving opioid substitution therapy. METHODS We recruited 1179 heroin-dependent patients (age 20 - 66 years) under opioid substitution therapy from 2012 to 2015 in a Psychiatric Center, Southern Taiwan. The data of HCV, hepatitis B virus (HBV) and HIV infection and liver biochemical examination were obtained. We used multivariate logistic regression analysis to predict the risk of HCV infection. RESULTS There were 93.1% of IDUs and 68.1% of NIDUs positive for HCV infection. In IDUs, HIV infection, age of heroin initiation, duration and dose of heroin use, frequency of detoxification and number of criminal conviction were significantly associated with HCV infection. In NIDUs, snort/sniff heroin exhibited a significantly increased risk of HCV infection. Intravenous injecting (OR = 23.10; 95% CI = 8.04, 66.40, p less then 0.001), intravenous injecting combined snort/sniff (OR = 12.95; 95% CI = 3.90, 42.97, p less then 0.001) and snort/sniff (OR = 4.14; 95% CI = 1.30, 13.18, p = 0.016) were significantly associated with increased risk of HCV infection compared with smoking. The trend was significant (p for trend less then 0.001) CONCLUSION. In Taiwan, IDUs had harmful characteristics compared with NIDUs and both had extremely high prevalence of HCV infection. We provided evidence that snort/sniff is a possible way of leak in HCV infection despite needle-syringes supplement program been provided. Opioid substitution therapy program should include HCV assessment and treatment in the new direct-acting antiviral therapy era.BACKGROUND Chondrosarcoma is the second most common primary sarcoma of the bone. Surgery remains the gold standard for treatment due to chemotherapy and radiotherapy resistance in chondrosarcoma. The main aim of our study was to analyze patients with primary chondrosarcoma of the bone who were treated in a single tumor center. We identified the prognostic factors for overall survival, metastasis-free survival, and recurrence-free survival. METHODS From 1998 to 2012, 55 consecutive patients were treated surgically. All patients were followed for local recurrence or distant metastasis. Uni- and multivariate analyses were performed for overall, metastasis-free and recurrence-free survival. RESULTS Local recurrence developed in 29 of the 55 patients (52.7%). Recurrence-free survival in the multivariate analysis showed a significant association with the surgical margin, and high-grade lesions were an independent factor for local recurrence.In total, 11 patients died of the disease in the study, and the 5- and 10-year survival rates were 84.4% and 78.1%, respectively. The tumor grade and local recurrence were significant factors in the univariate analysis but were insignificant in the Cox regression with time-dependent covariates (p = 0.327 and p = 0.82, respectively). The development of distant metastasis was a significant poor prognostic factor in both the uni- and multivariate analyses. CONCLUSION Chondrosarcoma of the bone is a disease with surgery-dependent outcomes; but, however, patients often develop subsequent recurrence of the disease. The surgical margins were statistically associated with the risk of subsequent local recurrence but did not predict survival. The development of distant metastases was an independent prognostic factor for poor survival.
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  • Objective To characterize the epidermal growth factor receptor (EGFR) gene in Schistosoma japonicum (SjEGFR gene) and investigate the role of the EGFR gene in regulating the growth, reproductive system, maturation and fecundity of S. japonicum. Methods Rapid amplification of cDNA ends (RACE) was performed to obtain the full length of the SjEGFR gene, and the SjEGFR gene expression was quantified in different developmental stages of S. japonicum using a quantitative real-time PCR (qPCR) assay. The tissue localization of the SjEGFR gene was detected in 22-day parasite using whole-mount in situ hybridization (WISH). Following RNA interference (RNAi)-induced knockdown of the SjEGFR gene, the worm length, pairing rate and worm burden of S. japonicum were measured, and the worm morphology was observed using optical microscopy and confocal microscopy. Results The SjEGFR gene was identified with a conserved tyrosine-kinase active site, and the SjEGFR gene expression was detected at various developmental stages in male and female parasites. WISH showed that the transcript of the SjEGFR gene was localized on the tegument and in the digestive organs of S. japonicum. RNAi-induced SjEGFR knockdown resulted in marked suppression of the worm growth, smaller size of male testicles that contained more immature spermatocytes, and apparent impairment of ovary and vitelline gland development. In addition, no eggs were found in the uterus of SjEGFR knocked-down female parasites, indicating the interruption of egg production. Conclusions Inhibition of SjEGFR expression may remarkably suppress the growth and maturation of S. japonicum, and interrupt the egg production.A novel coronavirus disease (COVID-19) was identified in Wuhan City, Hubei Province of China by the end of 2019, and then, the disease spread across China and became a global pandemic. Nevertheless, there are no effective treatments or vaccines for COVID-19 until now. In addition to the treatment of patients with COVID-19, the China Medical Treatment Expert Group for COVID-19 is active to study and screen effective antiviral drugs, and has found that chloroquine, an old antimalarial,shows activity against SARS-CoV-2. Then, chloroquine was included in the Guidelines for the Diagnosis and Treatment of COVID-19 in China (version 6) issued by National Health Commission of the People's Republic of China. Currently, chloroquine phosphate and hydroxychloroquine sulfate, two chloroquine derivatives, are under clinical use. Although these two agents exhibit similar mechanisms of drug actions, there is a difference between these two chemicals in terms of target populations, therapeutic efficacy and adverse reactions. This paper summarizes the currently available data and experiences from clinical treatment for malaria with chloroquine drugs, so as to provide insights into the more rational use of chloroquine agents for the treatment of COVID-19.Currently, the local transmission of coronavirus disease 2019 (COVID-19) has been effectively contained in China; however, the epidemic situation of this highly infectious disease is more and more serious outside of China. Importation of COVID-19 cases from other countries and territories is therefore becoming a new challenge for the control of COVID-19 in China. Malaria was once widely epidemic in China. Nevertheless, the local transmission of this parasitic disease has been interrupted in China since the launch of the national malaria elimination programme in 2010, and great successes have been achieved in the management of appropriately 3 thousand malaria cases imported from other countries and territories annually. Hereby, the epidemiological characteristics and current epidemic situation of COVID-19 in China were analyzed and compared with malaria. Based on the successful experiences from the management of overseas imported malaria in China, the strategy and countermeasures for COVID-19 control were proposed, so as to provide insights into the response to the importation of COVID-19 from other countries and territories and the consolidation of the control achievements in China.The World Health Organization (WHO) classified the novel coronavirus (i.e., coronavirus disease 2019 [COVID-19]) as a global public health emergency. COVID-19 threatens to curtail patient access to evidence-based treatment. Medicine is changing, basically due to the limited available resources. In the field of gynecologic oncology, we have to re-design our treatments' paradigm. During COVID-19 pandemic outbreak, the highest priority is to achieve the maximum benefit from less demanding procedures. Extensive procedures should be avoided, in order to reduce hospitalization and postoperative events that might increase the in-hospital spread of the virus. There are ongoing concerns on the use of laparoscopic procedures, related to the possible contamination of the staff working in the operation room. Other minimally invasive techniques, including, vaginal surgery as well as robotic-assisted and isobaric procedures would be preferred over laparoscopy. A fair allocation of resources is paramount adequate treatments.The outbreak of coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 has rapidly spread globally. Cancer patients are at a higher risk of being infected with the coronavirus and are more likely to develop severe complications, as compared to the general population. The increasing spread of COVID-19 presents challenges for the clinical care of patients with gynecological malignancies. Concerted efforts should be put into managing gynecological malignancies in an orderly manner by strictly implementing the measures that are specifically developed for controlling the spread of COVID-19. We have drafted Recommendations on Management of Gynecological Malignancies during the COVID-19 Pandemic based on our experience on controlling COVID-19 pandemic in China. We recommend that patients with gynecological malignancies should be managed in hierarchical and individualized manners in combination with local conditions related to COVID-19. https://www.selleckchem.com/products/trilaciclib.html Medical care decision should be balanced between controlling COVID-19 pandemic spread and timely diagnosis and treatment for gynecologic oncology patients.
    Objective To characterize the epidermal growth factor receptor (EGFR) gene in Schistosoma japonicum (SjEGFR gene) and investigate the role of the EGFR gene in regulating the growth, reproductive system, maturation and fecundity of S. japonicum. Methods Rapid amplification of cDNA ends (RACE) was performed to obtain the full length of the SjEGFR gene, and the SjEGFR gene expression was quantified in different developmental stages of S. japonicum using a quantitative real-time PCR (qPCR) assay. The tissue localization of the SjEGFR gene was detected in 22-day parasite using whole-mount in situ hybridization (WISH). Following RNA interference (RNAi)-induced knockdown of the SjEGFR gene, the worm length, pairing rate and worm burden of S. japonicum were measured, and the worm morphology was observed using optical microscopy and confocal microscopy. Results The SjEGFR gene was identified with a conserved tyrosine-kinase active site, and the SjEGFR gene expression was detected at various developmental stages in male and female parasites. WISH showed that the transcript of the SjEGFR gene was localized on the tegument and in the digestive organs of S. japonicum. RNAi-induced SjEGFR knockdown resulted in marked suppression of the worm growth, smaller size of male testicles that contained more immature spermatocytes, and apparent impairment of ovary and vitelline gland development. In addition, no eggs were found in the uterus of SjEGFR knocked-down female parasites, indicating the interruption of egg production. Conclusions Inhibition of SjEGFR expression may remarkably suppress the growth and maturation of S. japonicum, and interrupt the egg production.A novel coronavirus disease (COVID-19) was identified in Wuhan City, Hubei Province of China by the end of 2019, and then, the disease spread across China and became a global pandemic. Nevertheless, there are no effective treatments or vaccines for COVID-19 until now. In addition to the treatment of patients with COVID-19, the China Medical Treatment Expert Group for COVID-19 is active to study and screen effective antiviral drugs, and has found that chloroquine, an old antimalarial,shows activity against SARS-CoV-2. Then, chloroquine was included in the Guidelines for the Diagnosis and Treatment of COVID-19 in China (version 6) issued by National Health Commission of the People's Republic of China. Currently, chloroquine phosphate and hydroxychloroquine sulfate, two chloroquine derivatives, are under clinical use. Although these two agents exhibit similar mechanisms of drug actions, there is a difference between these two chemicals in terms of target populations, therapeutic efficacy and adverse reactions. This paper summarizes the currently available data and experiences from clinical treatment for malaria with chloroquine drugs, so as to provide insights into the more rational use of chloroquine agents for the treatment of COVID-19.Currently, the local transmission of coronavirus disease 2019 (COVID-19) has been effectively contained in China; however, the epidemic situation of this highly infectious disease is more and more serious outside of China. Importation of COVID-19 cases from other countries and territories is therefore becoming a new challenge for the control of COVID-19 in China. Malaria was once widely epidemic in China. Nevertheless, the local transmission of this parasitic disease has been interrupted in China since the launch of the national malaria elimination programme in 2010, and great successes have been achieved in the management of appropriately 3 thousand malaria cases imported from other countries and territories annually. Hereby, the epidemiological characteristics and current epidemic situation of COVID-19 in China were analyzed and compared with malaria. Based on the successful experiences from the management of overseas imported malaria in China, the strategy and countermeasures for COVID-19 control were proposed, so as to provide insights into the response to the importation of COVID-19 from other countries and territories and the consolidation of the control achievements in China.The World Health Organization (WHO) classified the novel coronavirus (i.e., coronavirus disease 2019 [COVID-19]) as a global public health emergency. COVID-19 threatens to curtail patient access to evidence-based treatment. Medicine is changing, basically due to the limited available resources. In the field of gynecologic oncology, we have to re-design our treatments' paradigm. During COVID-19 pandemic outbreak, the highest priority is to achieve the maximum benefit from less demanding procedures. Extensive procedures should be avoided, in order to reduce hospitalization and postoperative events that might increase the in-hospital spread of the virus. There are ongoing concerns on the use of laparoscopic procedures, related to the possible contamination of the staff working in the operation room. Other minimally invasive techniques, including, vaginal surgery as well as robotic-assisted and isobaric procedures would be preferred over laparoscopy. A fair allocation of resources is paramount adequate treatments.The outbreak of coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 has rapidly spread globally. Cancer patients are at a higher risk of being infected with the coronavirus and are more likely to develop severe complications, as compared to the general population. The increasing spread of COVID-19 presents challenges for the clinical care of patients with gynecological malignancies. Concerted efforts should be put into managing gynecological malignancies in an orderly manner by strictly implementing the measures that are specifically developed for controlling the spread of COVID-19. We have drafted Recommendations on Management of Gynecological Malignancies during the COVID-19 Pandemic based on our experience on controlling COVID-19 pandemic in China. We recommend that patients with gynecological malignancies should be managed in hierarchical and individualized manners in combination with local conditions related to COVID-19. https://www.selleckchem.com/products/trilaciclib.html Medical care decision should be balanced between controlling COVID-19 pandemic spread and timely diagnosis and treatment for gynecologic oncology patients.
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  • This study introduces the "metal-edge-driven" concept and enables the "edge sites on 2D multimetallic nanocatalysts" technique to design versatile heterocatalysts.Free-energy perturbation (FEP) methods are commonly used in drug design to calculate relative binding free energies of different ligands to a common host protein. Alchemical ligand transformations are usually performed in multiple steps which need to be chosen carefully to ensure sufficient phase-space overlap between neighboring states. With one-step or single-step FEP techniques, a single reference state is designed that samples phase-space not only representative of a full transformation but also ideally resembles multiple ligand end states and hence allows for efficient multistate perturbations. Enveloping distribution sampling (EDS) is one example for such a method in which the reference state is created by a mathematical combination of the different ligand end states based on solid statistical mechanics. We have recently proposed a novel approach to EDS which enables efficient barrier crossing between the different end states, termed accelerated EDS (A-EDS). In this work, we further simplify the parametrization of the A-EDS reference state and demonstrate the automated calculation of multiple free-energy differences between different ligands from a single simulation in three different well-described drug design model systems.Peptide methionine sulfoxide reductases (Msrs) are enzymes that repair ROS-damage to sulfur-containing amino acids such as methionine, ensuring functional integrity of cellular proteins. Here we have shown that unlike the majority of pro- and eukaryotic Msrs, the peptide methionine sulfoxide reductase (MsrAB) from the human pathobiont Haemophilus influenzae (Hi) is required for the repair of hypochlorite damage to cell envelope proteins, but more importantly, we were able to demonstrate that MsrAB plays a role in modulating the host immune response to Hi infection. Loss of MsrAB resulted in >1000-fold increase in sensitivity of Hi to HOCl-mediated killing, and also reduced biofilm formation and in-biofilm survival. Expression of msrAB was also induced by hydrogen peroxide and paraquat, but a Hi2019ΔmsrAB strain was not susceptible to killing by these ROS in vitro. Hi2019ΔmsrAB fitness in infection models was low, with a 3-fold reduction in intracellular survival in bronchial epithelial cells, increased susceptibility to neutrophil killing, and a 10-fold reduction in survival in a mouse model of lung infection. Interestingly, infection with Hi2019ΔmsrAB led to specific changes in the antibacterial response of human host cells, with genes encoding antimicrobial peptides (BPI, CAMP) upregulated between 4 and 9 fold compared to infection with Hi2019WT, and reduction in expression of two proteins with antiapoptotic functions (BIRC3, XIAP). Modulation of host immune responses is a novel role for an enzyme of this type and provides first insights into mechanisms by which MsrAB supports Hi survival in vivo.Ultrasonic transducers with large output power have attracted extensive attentions due to their widespread applications in sonar, acoustic levitation, ultrasonic focusing, and so forth. However, the traditional transducer has almost no heat-dissipation capability itself, strictly relying on the assistant coolant system. Introducing high-performance heat-dissipation component is thus highly necessary. Herein, an embedded porcelain radiator component was designed by combining the excellent thermal conductivity of vertically oriented graphene (VG) with the outstanding heat-dissipation characteristics of thermosensitive ceramics, and a new-type transducer with an embedded VG/ceramic-hybrid radiator was constructed to show high heat-dissipation efficiency (up to ∼5 °C/min). Remarkably, prominent heat-dissipation effectiveness (temperature decline of ∼12 °C), enhanced amplitude and vibration uniformity were also achieved for the new-type transducer along with stabilized operating states. This research should pave ways for extending the applications of VG/ceramic hybrids to heat-dissipation scenarios and provide newfangled thoughts for the performance upgrade of multitudinous high-power devices.Understanding molecular principles underlying chaperone-based modulation of kinase client activity is critically important to dissect functions and activation mechanisms of many oncogenic proteins. The recent experimental studies have suggested that phosphorylation sites in the Hsp90 and Cdc37 proteins can serve as conformational communication switches of chaperone regulation and kinase interactions. However, a mechanism of allosteric coupling between phosphorylation sites in the Hsp90 and Cdc37 during client binding is poorly understood, and the molecular signatures underpinning specific roles of phosphorylation sites in the Hsp90 regulation remain unknown. In this work, we employed a combination of evolutionary analysis, coarse-grained molecular simulations together with perturbation-based network modeling and scanning of the unbound and bound Hsp90 and Cdc37 structures to quantify allosteric effects of phosphorylation sites and identify unique signatures that are characteristic for communication switches of kinase-specific client binding. By using network-based metrics of the dynamic intercommunity bridgeness and community centrality, we characterize specific signatures of phosphorylation switches involved in allosteric regulation. Through perturbation-based analysis of the dynamic residue interaction networks, we show that mutations of kinase-specific phosphorylation switches can induce long-range effects and lead to a global rewiring of the allosteric network and signal transmission in the Hsp90-Cdc37-kinase complex. https://www.selleckchem.com/products/nsc16168.html We determine a specific group of phosphorylation sites in the Hsp90 where mutations may have a strong detrimental effect on allosteric interaction network, providing insight into the mechanism of phosphorylation-induced communication switching. The results demonstrate that kinase-specific phosphorylation switches of communications in the Hsp90 may be partly predisposed for their regulatory role based on preexisting allosteric propensities.
    This study introduces the "metal-edge-driven" concept and enables the "edge sites on 2D multimetallic nanocatalysts" technique to design versatile heterocatalysts.Free-energy perturbation (FEP) methods are commonly used in drug design to calculate relative binding free energies of different ligands to a common host protein. Alchemical ligand transformations are usually performed in multiple steps which need to be chosen carefully to ensure sufficient phase-space overlap between neighboring states. With one-step or single-step FEP techniques, a single reference state is designed that samples phase-space not only representative of a full transformation but also ideally resembles multiple ligand end states and hence allows for efficient multistate perturbations. Enveloping distribution sampling (EDS) is one example for such a method in which the reference state is created by a mathematical combination of the different ligand end states based on solid statistical mechanics. We have recently proposed a novel approach to EDS which enables efficient barrier crossing between the different end states, termed accelerated EDS (A-EDS). In this work, we further simplify the parametrization of the A-EDS reference state and demonstrate the automated calculation of multiple free-energy differences between different ligands from a single simulation in three different well-described drug design model systems.Peptide methionine sulfoxide reductases (Msrs) are enzymes that repair ROS-damage to sulfur-containing amino acids such as methionine, ensuring functional integrity of cellular proteins. Here we have shown that unlike the majority of pro- and eukaryotic Msrs, the peptide methionine sulfoxide reductase (MsrAB) from the human pathobiont Haemophilus influenzae (Hi) is required for the repair of hypochlorite damage to cell envelope proteins, but more importantly, we were able to demonstrate that MsrAB plays a role in modulating the host immune response to Hi infection. Loss of MsrAB resulted in >1000-fold increase in sensitivity of Hi to HOCl-mediated killing, and also reduced biofilm formation and in-biofilm survival. Expression of msrAB was also induced by hydrogen peroxide and paraquat, but a Hi2019ΔmsrAB strain was not susceptible to killing by these ROS in vitro. Hi2019ΔmsrAB fitness in infection models was low, with a 3-fold reduction in intracellular survival in bronchial epithelial cells, increased susceptibility to neutrophil killing, and a 10-fold reduction in survival in a mouse model of lung infection. Interestingly, infection with Hi2019ΔmsrAB led to specific changes in the antibacterial response of human host cells, with genes encoding antimicrobial peptides (BPI, CAMP) upregulated between 4 and 9 fold compared to infection with Hi2019WT, and reduction in expression of two proteins with antiapoptotic functions (BIRC3, XIAP). Modulation of host immune responses is a novel role for an enzyme of this type and provides first insights into mechanisms by which MsrAB supports Hi survival in vivo.Ultrasonic transducers with large output power have attracted extensive attentions due to their widespread applications in sonar, acoustic levitation, ultrasonic focusing, and so forth. However, the traditional transducer has almost no heat-dissipation capability itself, strictly relying on the assistant coolant system. Introducing high-performance heat-dissipation component is thus highly necessary. Herein, an embedded porcelain radiator component was designed by combining the excellent thermal conductivity of vertically oriented graphene (VG) with the outstanding heat-dissipation characteristics of thermosensitive ceramics, and a new-type transducer with an embedded VG/ceramic-hybrid radiator was constructed to show high heat-dissipation efficiency (up to ∼5 °C/min). Remarkably, prominent heat-dissipation effectiveness (temperature decline of ∼12 °C), enhanced amplitude and vibration uniformity were also achieved for the new-type transducer along with stabilized operating states. This research should pave ways for extending the applications of VG/ceramic hybrids to heat-dissipation scenarios and provide newfangled thoughts for the performance upgrade of multitudinous high-power devices.Understanding molecular principles underlying chaperone-based modulation of kinase client activity is critically important to dissect functions and activation mechanisms of many oncogenic proteins. The recent experimental studies have suggested that phosphorylation sites in the Hsp90 and Cdc37 proteins can serve as conformational communication switches of chaperone regulation and kinase interactions. However, a mechanism of allosteric coupling between phosphorylation sites in the Hsp90 and Cdc37 during client binding is poorly understood, and the molecular signatures underpinning specific roles of phosphorylation sites in the Hsp90 regulation remain unknown. In this work, we employed a combination of evolutionary analysis, coarse-grained molecular simulations together with perturbation-based network modeling and scanning of the unbound and bound Hsp90 and Cdc37 structures to quantify allosteric effects of phosphorylation sites and identify unique signatures that are characteristic for communication switches of kinase-specific client binding. By using network-based metrics of the dynamic intercommunity bridgeness and community centrality, we characterize specific signatures of phosphorylation switches involved in allosteric regulation. Through perturbation-based analysis of the dynamic residue interaction networks, we show that mutations of kinase-specific phosphorylation switches can induce long-range effects and lead to a global rewiring of the allosteric network and signal transmission in the Hsp90-Cdc37-kinase complex. https://www.selleckchem.com/products/nsc16168.html We determine a specific group of phosphorylation sites in the Hsp90 where mutations may have a strong detrimental effect on allosteric interaction network, providing insight into the mechanism of phosphorylation-induced communication switching. The results demonstrate that kinase-specific phosphorylation switches of communications in the Hsp90 may be partly predisposed for their regulatory role based on preexisting allosteric propensities.
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  • Due to the numerous physiological functions of subcutaneous fat tissue, understanding these mechanisms can promote the use of alternative protein both in poultry and human nutrition.The masseter is the most targeted muscle when treating hypertrophy to produce a smooth face shape. Compensatory hypertrophy is a well known clinical sequela that occurs in botulinum neurotoxin (BoNT) treatments and is limited to the lower part of the masseter. Based on the masseteric hypertrophy procedure, which targets a confined area, we predicted the possibility of compensatory hypertrophy occurring in the upper part of the masseter. If the patient complains about an unexpected result, additional injections must be performed, but the involved anatomical structures have not been revealed yet. The aim of this study was to identify the morphological patterns of the masseter. Deep tendons were observed in most specimens of the upper part of the masseter and mostly appeared in a continuous pattern (69.7%). The superficial and deep tendons could be classified into a simply connected form and forms surrounding part of the muscle. In 45.5% of cases there were tendon capsules that completely enclosed the muscle, which can interfere with how the injected toxin spreads. Interdigitation patterns in which the tendons could be identified independently between the muscles were present in 9.1% of cases. The present findings provide anatomical knowledge for use when injecting BoNT into the masseter.Through the application of intelligent systems in driver assistance systems, the experience of traveling by road has become **** more comfortable and safe. In this sense, this paper then reports the development of an intelligent driving assistant, based on vehicle telemetry and road accident risk map analysis, whose responsibility is to alert the driver in order to avoid risky situations that may cause traffic accidents. In performance evaluations using real cars in a real environment, the on-board intelligent assistant reproduced real-time audio-visual alerts according to information obtained from both telemetry and road accident risk map analysis. As a result, an intelligent assistance agent based on fuzzy reasoning was obtained, which supported the driver correctly in real-time according to the telemetry data, the vehicle environment and the principles of secure driving practices and transportation regulation laws. Experimental results and conclusions emphasizing the advantages of the proposed intelligent driving assistant in the improvement of the driving task are presented.In addition to the regulation of blood pressure, the renin-angiotensin system (RAS) also plays a key role in the onset and development of insulin resistance, which is central to metabolic syndrome (MetS). Due to the interplay between RAS and insulin resistance, antihypertensive compounds may exert beneficial effects in the management of MetS. Food-derived bioactive peptides with RAS blocking properties can potentially improve adipose tissue dysfunction, glucose intolerance, and insulin resistance involved in the pathogenesis of MetS. This review discusses the pathophysiology of hypertension and the association between RAS and pathogenesis of the MetS. The effects of bioactive peptides with RAS modulating effects on other components of the MetS are discussed. While the in vivo reports on the effectiveness of antihypertensive peptides against MetS are encouraging, the exact mechanism by which these peptides infer their effects on glucose and lipid handling is mostly unknown. Therefore, careful design of experiments along with standardized physiological models to study the effect of antihypertensive peptides on insulin resistance and obesity could help to clarify this relationship.NK and some T cell functions are regulated by the interaction between KIR and HLA molecules. Several studies have shown an association between activating KIR genes and the development of autoimmune diseases, including psoriasis vulgaris (PsV). Our objective was to determine the association between KIR/HLA genes and genotypes with PsV in the Western mestizo Mexican population. One hundred subjects diagnosed with PsV (SP) and 108 healthy subjects (HS) were genotyped for 14 KIR genes, HLA-Bw4, HLA-C1, and HLA-C2 by PCR-single specific primer (SSP). Positive associations of the KIR3DS1 gene (odds ratio (OR) 1.959, p = 0.021), G11 genotype (OR 19.940, p = 0.008), and KIR3DS1/HLA-ABw4 (OR 2.265, p = 0.009) were found with susceptibility to PsV. In contrast, the G1 genotype (OR 0.448, p = 0.031) and KIR3DL1/HLA-Bw4Ile80 (OR 0.522, p = 0.022) were negatively associated with susceptibility to this disease. These results suggest an implication of the KIR3DS1/HLA-ABw4 genotype in PsV pathology.According to the World Health Organization (WHO), Diabetes Mellitus (DM) is one of the most prevalent diseases in the world. It is also associated with a high mortality index. Diabetic foot is one of its main complications, and it comprises the development of plantar ulcers that could result in an amputation. Several works report that thermography is useful to detect changes in the plantar temperature, which could give rise to a higher risk of ulceration. However, the plantar temperature distribution does not follow a particular pattern in diabetic patients, thereby making it difficult to measure the changes. Thus, there is an interest in improving the success of the analysis and classification methods that help to detect abnormal changes in the plantar temperature. All this leads to the use of computer-aided systems, such as those involved in artificial intelligence (AI), which operate with highly complex data structures. https://www.selleckchem.com/products/medica16.html This paper compares machine learning-based techniques with Deep Learning (DL) structures. We tested common structures in the mode of transfer learning, including AlexNet and GoogleNet. Moreover, we designed a new DL-structure, which is trained from scratch and is able to reach higher values in terms of accuracy and other quality measures. The main goal of this work is to analyze the use of AI and DL for the classification of diabetic foot thermograms, highlighting their advantages and limitations. To the best of our knowledge, this is the first proposal of DL networks applied to the classification of diabetic foot thermograms. The experiments are conducted over thermograms of DM and control groups. After that, a multi-level classification is performed based on a previously reported thermal change index. The high accuracy obtained shows the usefulness of AI and DL as auxiliary tools to aid during the medical diagnosis.
    Due to the numerous physiological functions of subcutaneous fat tissue, understanding these mechanisms can promote the use of alternative protein both in poultry and human nutrition.The masseter is the most targeted muscle when treating hypertrophy to produce a smooth face shape. Compensatory hypertrophy is a well known clinical sequela that occurs in botulinum neurotoxin (BoNT) treatments and is limited to the lower part of the masseter. Based on the masseteric hypertrophy procedure, which targets a confined area, we predicted the possibility of compensatory hypertrophy occurring in the upper part of the masseter. If the patient complains about an unexpected result, additional injections must be performed, but the involved anatomical structures have not been revealed yet. The aim of this study was to identify the morphological patterns of the masseter. Deep tendons were observed in most specimens of the upper part of the masseter and mostly appeared in a continuous pattern (69.7%). The superficial and deep tendons could be classified into a simply connected form and forms surrounding part of the muscle. In 45.5% of cases there were tendon capsules that completely enclosed the muscle, which can interfere with how the injected toxin spreads. Interdigitation patterns in which the tendons could be identified independently between the muscles were present in 9.1% of cases. The present findings provide anatomical knowledge for use when injecting BoNT into the masseter.Through the application of intelligent systems in driver assistance systems, the experience of traveling by road has become much more comfortable and safe. In this sense, this paper then reports the development of an intelligent driving assistant, based on vehicle telemetry and road accident risk map analysis, whose responsibility is to alert the driver in order to avoid risky situations that may cause traffic accidents. In performance evaluations using real cars in a real environment, the on-board intelligent assistant reproduced real-time audio-visual alerts according to information obtained from both telemetry and road accident risk map analysis. As a result, an intelligent assistance agent based on fuzzy reasoning was obtained, which supported the driver correctly in real-time according to the telemetry data, the vehicle environment and the principles of secure driving practices and transportation regulation laws. Experimental results and conclusions emphasizing the advantages of the proposed intelligent driving assistant in the improvement of the driving task are presented.In addition to the regulation of blood pressure, the renin-angiotensin system (RAS) also plays a key role in the onset and development of insulin resistance, which is central to metabolic syndrome (MetS). Due to the interplay between RAS and insulin resistance, antihypertensive compounds may exert beneficial effects in the management of MetS. Food-derived bioactive peptides with RAS blocking properties can potentially improve adipose tissue dysfunction, glucose intolerance, and insulin resistance involved in the pathogenesis of MetS. This review discusses the pathophysiology of hypertension and the association between RAS and pathogenesis of the MetS. The effects of bioactive peptides with RAS modulating effects on other components of the MetS are discussed. While the in vivo reports on the effectiveness of antihypertensive peptides against MetS are encouraging, the exact mechanism by which these peptides infer their effects on glucose and lipid handling is mostly unknown. Therefore, careful design of experiments along with standardized physiological models to study the effect of antihypertensive peptides on insulin resistance and obesity could help to clarify this relationship.NK and some T cell functions are regulated by the interaction between KIR and HLA molecules. Several studies have shown an association between activating KIR genes and the development of autoimmune diseases, including psoriasis vulgaris (PsV). Our objective was to determine the association between KIR/HLA genes and genotypes with PsV in the Western mestizo Mexican population. One hundred subjects diagnosed with PsV (SP) and 108 healthy subjects (HS) were genotyped for 14 KIR genes, HLA-Bw4, HLA-C1, and HLA-C2 by PCR-single specific primer (SSP). Positive associations of the KIR3DS1 gene (odds ratio (OR) 1.959, p = 0.021), G11 genotype (OR 19.940, p = 0.008), and KIR3DS1/HLA-ABw4 (OR 2.265, p = 0.009) were found with susceptibility to PsV. In contrast, the G1 genotype (OR 0.448, p = 0.031) and KIR3DL1/HLA-Bw4Ile80 (OR 0.522, p = 0.022) were negatively associated with susceptibility to this disease. These results suggest an implication of the KIR3DS1/HLA-ABw4 genotype in PsV pathology.According to the World Health Organization (WHO), Diabetes Mellitus (DM) is one of the most prevalent diseases in the world. It is also associated with a high mortality index. Diabetic foot is one of its main complications, and it comprises the development of plantar ulcers that could result in an amputation. Several works report that thermography is useful to detect changes in the plantar temperature, which could give rise to a higher risk of ulceration. However, the plantar temperature distribution does not follow a particular pattern in diabetic patients, thereby making it difficult to measure the changes. Thus, there is an interest in improving the success of the analysis and classification methods that help to detect abnormal changes in the plantar temperature. All this leads to the use of computer-aided systems, such as those involved in artificial intelligence (AI), which operate with highly complex data structures. https://www.selleckchem.com/products/medica16.html This paper compares machine learning-based techniques with Deep Learning (DL) structures. We tested common structures in the mode of transfer learning, including AlexNet and GoogleNet. Moreover, we designed a new DL-structure, which is trained from scratch and is able to reach higher values in terms of accuracy and other quality measures. The main goal of this work is to analyze the use of AI and DL for the classification of diabetic foot thermograms, highlighting their advantages and limitations. To the best of our knowledge, this is the first proposal of DL networks applied to the classification of diabetic foot thermograms. The experiments are conducted over thermograms of DM and control groups. After that, a multi-level classification is performed based on a previously reported thermal change index. The high accuracy obtained shows the usefulness of AI and DL as auxiliary tools to aid during the medical diagnosis.
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