Particulate matter is suspected to be substantially involved in pollution-induced health concerns. In fact, ultrafine particles (UFPs) contain polycyclic aromatic hydrocarbons (PAHs) known as mutagenic, cytotoxic and sometimes phototoxic. Since UFPs reach blood circulation from lung alveoli, deep skin is very likely contaminated by PAHs coming from either skin surface or blood. As photoreactive, benzo(a)pyrene (BaP) or indenopyrene (IcdP) is involved in the interplay between pollution and sunlight. In order to better characterize this process, experiments were carried out on reconstructed human epidermis (RHE) in a protocol mimicking realistic exposure. https://www.selleckchem.com/products/1-methylnicotinamide-chloride.html Concentrations of PAHs comparable to those generally reported in blood were used together with chronic irradiation to low dose UVA1. On a histological level, damaged cells mainly accumulated in a suprabasal situation, thus reducing living epidermis thickness. Stress markers such as IL1-α or MMP3 secretion increased, and surprisingly, the histological position of Transglutaminase-1 within epidermis was disturbed, whereas position of other differentiation markers (keratin-10, filaggrin, loricrin) remained unchanged. When vitamin C was added in culture medium, a very significant protection involving all markers was noticed. In conclusion, we provide here a model of interest to understand the epidermal deleterious consequences of pollution and to select efficient protective compounds. The current study aimed to investigate the prognostic value of T helper (Th) 1 and Th17 proportions in sepsis patients. Th1 and Th17 cells in blood CD4 T cells were detected by flow cytometry in 210 sepsis patients and 100 healthy controls (HCs). Besides, serum interferon-γ (IFN-γ), tumor necrosis factor-α (TNF-α), and interleukin-17 (IL-17) levels in the enrolled sepsis patients were determined with enzyme-linked immunosorbent assay. Compared with HCs, Th1 and Th17 proportions were elevated in sepsis patients (both p<.001). Meanwhile, Th1 proportion was strongly correlated with IFN-γ (p<.001, r=.484) but weakly correlated with TNF-α (p=.024, r=.156) and IL-17 (p=.002, r=.212), while Th17 proportion showed faint correlation with IFN-γ (p=.015, r=.168), but strong correlations with TNF-α (p<.001, r=.602) and IL-17 (p<.001, r=.498) in sepsis patients. Besides, Th1 proportion was weakly associated with APACHE II score (p=.030, r=.150), but Th17 proportion was closely associated with APACHE II score (p<.001, r=.322) and SOFA score (p<.001, r=.337) in sepsis patients. Regarding their prognostic value, Th1 proportion (p=.042) was slightly, while Th17 proportion (p<.001) was dramatically, increased in septic deaths compared with survivors, and Th17 possessed good predictive value for 28-day mortality risk (AUC 0.748, 95% CI 0.659-0.836). Th1 and Th17 proportions are elevated in sepsis patients compared with HCs, and Th17 proportion is correlated with increased disease severity, higher inflammation level, and worse prognosis in sepsis patients. Th1 and Th17 proportions are elevated in sepsis patients compared with HCs, and Th17 proportion is correlated with increased disease severity, higher inflammation level, and worse prognosis in sepsis patients. Burnout is an important occupational hazard, and the scale of the problem within gastroenterology remains poorly understood. The primary objective of this study was to understand the prevalence of burnout in gastroenterology and ascertain if there was a common prevalence within the field. The secondary objective was to identify factors and job-related stressors that commonly contribute to burnout in gastroenterologists. Systematic searches were conducted in PubMed, Scopus, Cochrane, and PsycINFO by two reviewers independently for articles published to 1 September 2020. The primary outcome measure was the reported prevalence of burnout in gastroenterologists. The secondary outcome measures were (i) the prevalence of non-somatic burnout symptoms (emotional exhaustion, depersonalization, and low personal accomplishment) and (ii) the frequency of risk factors and stressors reported in studies. Data were presented, and limited meta-analyses discussed. Data were extracted from 11 studies. 54.5% (6/11) of these studies reported the prevalence of burnout in gastroenterologists; this ranged from 18.3% to 64.4%. Similar to burnout prevalence, burnout symptoms showed geographical variation and were common in gastroenterologists (up to 63.9%). Factors associated with work volume, age, and female gender were the three most frequently reported risk factors for increased levels of stress and burnout in 72.7% (8/11), 54.5% (6/11), and 45.5% (5/11) of studies, respectively. Significant methodological and clinical heterogeneity was observed. Burnout and its non-somatic symptoms are common in gastroenterologists, but the syndrome is understudied within the field. Further research and good quality data are needed to help address the problem. Burnout and its non-somatic symptoms are common in gastroenterologists, but the syndrome is understudied within the field. Further research and good quality data are needed to help address the problem. The aim was to determine the prevalence and risk factors for electrographic seizures and other electroencephalographic (EEG) patterns in patients with Coronavirus disease 2019 (COVID-19) undergoing clinically indicated continuous electroencephalogram (cEEG) monitoring and to assess whether EEG findings are associated with outcomes. We identified 197 patients with COVID-19 referred for cEEG at 9 participating centers. Medical records and EEG reports were reviewed retrospectively to determine the incidence of and clinical risk factors for seizures and other epileptiform patterns. Multivariate Cox proportional hazards analysis assessed the relationship between EEG patterns and clinical outcomes. Electrographic seizures were detected in 19 (9.6%) patients, including nonconvulsive status epilepticus (NCSE) in 11 (5.6%). Epileptiform abnormalities (either ictal or interictal) were present in 96 (48.7%). Preceding clinical seizures during hospitalization were associated with both electrographic seizures (36.4% in those with vs 8.