Bergmannwiley2639
The percentage response to isoproterenol decreased in the copper-exposed group, but L-NAME did not alter this reduction. Papillary force development at the peak and plateau of tetanic contractions also increased after copper exposure, but this effect was not altered by L-NAME. In situ detection of OH local production increased.
Copper increased BP and cardiac force, increased Ca
inflow, reduced Ca
reuptake by the sarcoplasmic reticulum, and increased OH local production. Copper exposure at doses considered tolerable affects cardiac contractility.
Copper increased BP and cardiac force, increased Ca2+ inflow, reduced Ca2+ reuptake by the sarcoplasmic reticulum, and increased OH local production. Copper exposure at doses considered tolerable affects cardiac contractility.Previous studies have shown that endoplasmic reticulum (ER) stress contributes to inflammation in several manners. However, whether cell death inducing DFF45-like effector b (Cideb), a lipid droplet (LD) associated protein that plays an important role in hepatic lipid metabolism, participates in this process has not been reported. In the present study, we demonstrated that deficiency of cideb alone did not trigger violent inflammation in the liver. However, the expression of cideb was suppressed by Chop (C/EBP homologous protein) under ER stress, which inhibited the transport of lipoproteins in the liver and led to the exacerbation of hepatic steatosis and oxidative stress, and ultimately exacerbated inflammation. Our results might provide a novel mechanism explaining inflammation triggered by ER stress.The airway epithelium maintains tight barrier integrity to prevent penetration of pathogens; thus, impairment of the barrier function is an important and common histological feature in asthmatic patients. Proteolytic allergens from fungi, pollen, and house dust mites can disrupt epithelial barrier integrity, but the mechanism remains unclear. Aspergillus oryzae protease (AP)-induced mitochondrial reactive oxygen species (ROS) contribute to the epithelial inflammatory response. However, as mitochondrial ROS affect various cellular functions, such as metabolism, cell death, cell proliferation, and redox homeostasis through signal transduction, it is difficult to understand the detailed action mechanism of AP by measuring changes in a single gene or protein of a specific signaling pathway. Moreover, mitochondrial ROS can directly oxidize DNA to activate transcription, thereby affecting the expression of various genes at the transcriptional level. Therefore, we conducted whole-genome analysis and used a network-b antigens may be effective in maintaining epithelial barrier function.
Job burnout is related to both environmental and genetic factors. Benserazide Decarboxylase inhibitor However, previous studies on job burnout in teachers have mainly focused on potential stressors in the environment, while ignoring genetic factors. Brain-derived neurotrophic factor (BNDF) may be a pathogenic factor involved in burnout symptoms. Therefore, this study further investigated the relationship between the BNDF gene polymorphism, job stress and job burnout in Chinese university teachers.
Using a cross-sectional design, 361 faculty and staff members from a university in Beijing were enrolled. Job stress was measured with the Work Stress Scale. Job burnout was measured by the Chinese version of the Maslach Burnout Inventory which has three dimensions, namely emotional exhaustion (EE), cynicism (CY), and reduced personal accomplishment (PA). The BDNF gene rs16917237 polymorphism was genotyped in all participants.
CY score was associated with education level (p<0.01), and PA score was associated with age (p<0.05). Job stress was positively correlated with EE (r=0.776), CY (r=0.457), and PA (r=0.163) (all p<0.01). After controlling for gender, age and education level, the BDNF gene rs16917237 polymorphism did not affect job burnout, but it interacted with job stress to influence EE and CY (both p<0.05), indicating that individuals with TT genotype were more susceptible to higher levels of job stress, resulting in job burnout symptoms.
Our results suggest that the BDNF gene rs16917237 TT genotype may be a risk factor for job burnout in Chinese university teachers.
Our results suggest that the BDNF gene rs16917237 TT genotype may be a risk factor for job burnout in Chinese university teachers.
A comprehensive meta-analysis quantitatively examining the effects of group Acceptance and Commitment Therapy (ACT) on anxiety and depressive symptoms is required to advance our understanding of its efficacy and moderating factors.
Four electronic databases were searched in August 2018. An update search was conducted in November 2021. Forty-eight randomised controlled trials (RCTs) were included in this review (3292 participants anxiety=34 RCTs, depression=40 RCTs).
The overall effect size for anxiety symptoms was medium-to-large (g=0.52, p<0.001; 95% CI=0.30-0.73), while the overall effect size was small-to-medium for depressive symptoms (g=0.47, p<0.001; 95% CI=0.31-0.64). Subgroup analyses demonstrated that group ACT was significantly superior to non-active controls (e.g., waiting list) in reducing anxiety and depressive symptoms. Group ACT was only significantly superior to active controls (e.g., CBT) in reducing depressive symptoms. Subgroup analyses also demonstrated that the effect size can vary depending on the number of sessions provided and the primary condition of participants recruited.
The number of studies included in each category of subgroup analyses was small and the risk of bias varied across studies. There was high heterogeneity among the included studies, and this might have affected the results.
The current evidence suggests that group ACT may be effective in treating anxiety and depressive symptoms, perhaps more so for depressive symptoms when compared to other well-established treatments. The intensity of treatment and the targeted population may need to be considered when delivering group ACT.
The current evidence suggests that group ACT may be effective in treating anxiety and depressive symptoms, perhaps more so for depressive symptoms when compared to other well-established treatments. The intensity of treatment and the targeted population may need to be considered when delivering group ACT.
This study longitudinally evaluated first-onset major depression rates during the pandemic in Italian adults without any current clinician-diagnosed psychiatric disorder and created a predictive machine learning model (MLM) to evaluate subsequent independent samples.
An online, self-reported survey was released during two pandemic periods (May to June and September to October 2020). Provisional diagnoses of major depressive disorder (PMDD) were determined using a diagnostic algorithm based on the DSM criteria of the Patient Health Questionnaire-9 to maximize specificity. Gradient-boosted decision trees and the SHapley Additive exPlanations technique created the MLM and estimated each variable's predictive contribution.
There were 3532 participants in the study. The final sample included 633 participants in the first wave (FW) survey and 290 in the second (SW). First-onset PMDD was found in 7.4% of FW participants and 7.2% of the SW. The final MLM, trained on the FW, displayed a sensitivity of 76.5% and a specificity of 77.8% when tested on the SW. The main factors identified in the MLM were low resilience, being an undergraduate student, being stressed by pandemic-related conditions, and low satisfaction with usual sleep before the pandemic and support from relatives. Current smoking and taking medication for medical conditions also contributed, albeit to a lesser extent.
Small sample size; self-report assessment; data covering 2020 only.
Rates of first-onset PMDD among Italians during the first phases of the pandemic were considerable. Our MLM displayed a good predictive performance, suggesting potential goals for depression-preventive interventions during public health crises.
Rates of first-onset PMDD among Italians during the first phases of the pandemic were considerable. Our MLM displayed a good predictive performance, suggesting potential goals for depression-preventive interventions during public health crises.
Disruption to everyday routine during the COVID-19 pandemic has resulted in considerable implications for global mental health. The inter- and intra-personal mechanisms by which disrupted routine can contribute to elevated depressive symptoms has not been well-explored. The present study aimed to examine how feelings of social (dis)connectedness and rumination, as a maladaptive coping strategy, could explain the association between disrupted well-being activities and depressive symptoms.
Participants (N=496) ranging in age from 18 to 73years (M=28.73, SD=10.93) completed an online survey within the first 3months of the COVID-19 pandemic, which included measures of disruption to usual psychological and physical well-being activities, social connectedness, rumination, and depressive symptoms. Social connectedness and rumination were investigated as serial mediators of the association between disrupted well-being activities and depression using Hayes' PROCESS macro.
39.5% of the sample reported clinically tervention strategies should consider social factors as a 'social cure' for mass, positive mental health promotion during COVID-19.
Prior studies support that younger age of onset would be associated with poorer psychiatric and mental health outcomes for many psychiatric disorders. However, such relationship has never been examined for social anxiety disorder (SAD) in a nationally representative sample.
Using data from the second Wave of the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC), we have identified four groups of participants with a lifetime DSM-IV diagnosis of SAD based on the self-reported age of onset (childhood onset (<12years, N=658), adolescence onset (12-17years, N=663), early-adulthood onset (18-39years, N=663), and late-adulthood onset (>39years, N=415)), and a control group without a lifetime history of SAD (N=32,205). We performed multinomial logistic regression models to compare lifetime DSM-IV psychiatric disorders and current mental health-related quality of life (assessed with the mental component summary score (MSC) of the SF-12) across these groups.
The lifetime prevalence rates of panic disorder, agoraphobia and post-traumatic stress disorder were significantly higher in the adulthood onset groups than in groups with an onset during childhood or adolescence (p<0.01 for most models). MCS score was significantly higher in the childhood (46.0 (SE=0.5)) or adolescence (46.5 (SE=0.5)) onset groups than in the groups with an onset during adulthood (early-adulthood onset 43.5 (SE=0.6), and late-adulthood onset 43.0 (SE=0.8)).
Our results relied on retrospective self-reported data.
Among individuals with SAD, a later age of onset was significantly associated with greater lifetime rates of psychiatric disorders and diminished quality of life.
Among individuals with SAD, a later age of onset was significantly associated with greater lifetime rates of psychiatric disorders and diminished quality of life.