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e., self-handicapping) and drain individual's energy (i.e., causing emotional exhaustion), whereby providing evidence for the predictive validity of the new instrument. In addition, we examined how the COVID-19 rumination evolved during the nearly 3-week period of the data collection, a time-frame that coincided with the introduction of the national restrictive measures in the Netherlands. Results showed a drop in the level of rumination, which might be indicative of potential habituation with the stressor.

The results supported the sound psychometric qualities of the scale.

The results supported the sound psychometric qualities of the scale.

The study describes the experiences and opinions of Serbian physicians regarding workforce management during the COVID-19 pandemic.

A total of 1553 licensed physicians (65% males; average age 44.0 years) responded to an online survey in September 2020. Differences in the respondents' general data and attitudes regarding workforce management and outbreak preparedness in Serbia were analysed in relation to their engagement during the COVID-19 pandemic (Pearson χ2 and the independent samples t-test, p<0.05). The logistic regression model explained the need for changing health workforce management.

The results reveal that the physicians engaged in the fight against the spread of COVID-19 (64.4% of the respondents) more often than their counterparts, were clinicians from the public sector, younger, with less work experience, influenced negatively by the pandemic, and reassigned to other positions (p<0.001). Health workers dissatisfied with workplace preparedness and those reassigned due to COVID-19 were by 2.61 times and 1.38 times, respectively, more likely than their counterparts to consider changes in health workforce management.

COVID-19 underlines the need for changes in health workforce management during public health emergencies. An internal incident management team and a panel of external experts may support health workforce management during the prolonged and rapidly changing crises.

COVID-19 underlines the need for changes in health workforce management during public health emergencies. An internal incident management team and a panel of external experts may support health workforce management during the prolonged and rapidly changing crises.The adipocyte precursors (APs) located in white adipose tissue (WAT) are functionally significant in adipose plasticity and browning. Modifying adipogenesis or WAT browning targeted on APs is a promising mechanism for anti-obesity drug. We herein explored the in vitro actions and mechanisms of glucose-dependent insulinotropic polypeptide (GIP), a gut-derived peptide, in human adipose-derived mesenchymal stem cells (hADSCs) isolated from omentum. The hADSCs were cotreated with 100 nM GIP with or without equimolar concentration of GIP3-42 (a GIP receptor antagonist), and subsequently examined in vitro. CCK-8, EdU incorporation, and flow cytometry assays were used to assess cellular proliferation. Annexin V FTIC/PI double stain, TUNEL staining, and Western blot were applied for apoptosis evaluation. Adipogenesis was reflected by Western blot, real-time PCR, Oil Red O staining, mitochondrial staining, and mitochondrial DNA analysis. Results showed that GIP promoted proliferation and inhibited apoptosis of hADSCs via pleiotropic effects. Besides, GIP facilitated de novo beige adipogenesis, by accelerating mitotic clonal expansion (MCE), upregulating core adipogenic regulators (C/EBPα and PPARγ), augmenting beige-related genes (UCP1, PGC1α, and PRDM16), increasing mitochondrial content and improving beige adipocyte functionalities. Above all, our study expands knowledge on the mechanisms of GIP modifying adipogenesis especially in inducing beige adipogenesis, and thus provides a theoretical support for clinical usage of GIP on obesity treatment.Linoleic acid (C182∆9,12 , LA) is an important metabolite with numerous essential functions for growth, health, and reproduction of organisms. It has long been assumed that animals lack ∆12-desaturases, the enzymes needed to produce LA from oleic acid (C181∆9 , OA). There is, however, increasing evidence that this is not generally true for invertebrates. In the insect order Hymenoptera, LA biosynthesis has been shown for only two parasitic wasp species of the so-called "Nasonia group," but it is unknown whether members of other taxa are also capable of synthesizing LA. Here, we demonstrate LA biosynthesis in 13 out of 14 species from six families of parasitic wasps by gas chromatography-mass spectrometry analysis using two different stable isotope labeling techniques. Females of the studied species converted topically applied fully 13 C-labeled OA into LA and/or produced labeled LA after feeding on fully 13 C-labeled α- d-glucose. These results indicate that ∆12-desaturases are widespread in parasitic Hymenoptera and confirm previous studies demonstrating that these insects are capable of synthesizing fatty acids de novo.TWIK-related acid-sensitive potassium channels (TASKs)-like current was recorded in orexin neurons in the lateral hypothalamus (LH), which are essential in respiratory chemoreflex. However, the specific mechanism responsible for the pH-sensitivity remains elusive. Thus, we hypothesized that TASKs contribute to respiratory chemoreflex. In the present study, we found that TASK1 and TASK3 were expressed in orexin neurons. GSK690693 chemical structure Blocking TASKs or microinjecting acid artificial cerebrospinal fluid (ACSF) in the LH stimulated breathing. In contrast, alkaline ACSF inhibited breathing, which was attenuated by blocking TASK1. Damage of orexin neurons attenuated the stimulatory effect on respiration caused by microinjection of acid ACSF (at a pH of 6.5) or TASKs antagonists. The orexinA-positive fiber and orexin type 1 receptor (OX1R) neurons were located in the nucleus tractus solitarius (NTS). The exciting effect of acidosis in the LH on respiration was inhibited by blocking OX1R of the NTS. Taken together, we conclude that orexin neurons sense the extracellular pH change through TASKs and regulate respiration by projecting to the NTS.