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  • Carroll Berntsen posted an update 10 months, 2 weeks ago

    This study aims to investigate the effects of C1q-like 1 (C1QL1) on the growth and migration of lung adenocarcinoma (LUAD) cells and the underlying mechanism. The expression of C1QL1 in LUAD tissues and its prognostic value were analyzed using the data from The Cancer Genome Atlas (TCGA) database. To investigate the function of C1QL1, loss-of-function and gain-of-function assays were conducted in Calu-3 cells and LTEP-a-2 cells, respectively. Cell growth was evaluated by CCK-8 and colony formation assays. Transwell assays were performed to assess cell invasive and migratory abilities. qRT-PCR and Western blotting were performed to detect RNA and protein expression, respectively. Firstly, we found that C1QL1 was highly expressed and predicted poor outcomes in LUAD patients from TCGA database. Moreover, the mRNA and protein expression levels of C1QL1 were higher in LUAD cells than that in normal lung cells. Results of functional experiments illustrated that depletion of C1QL1 restrained the growth, invasion and migration of Calu-3 cells, meanwhile over-expression of C1QL1 presented the opposite results in LTEP-a-2 cells. Furthermore, we discovered that down-regulation of C1QL1 elevated the protein level of E-cadherin and reduced the protein levels of N-cadherin, Vimentin and Snail in Calu-3 cells, whereas over-expression of C1QL1 led to the opposite outcomes in LTEP-a-2 cells. Our data indicated that C1QL1 functioned as a crucial driver in LUAD cell growth and motility, which might be achieved by modulating epithelial-mesenchymal transition (EMT). These consequences are of important relevance for the design of therapeutic strategies for LUAD.Based on social cognitive theory, we propose that self-efficacy is a personal resource that protects people from the impact of confinement in the context of the COVID-19 pandemic. In a longitudinal study where 197 French citizens were surveyed over 8 weeks of confinement (though only 25 participants responded each of these 8 weeks), we examined the relationships between general self-efficacy and positive affect, negative affect and adaptive performance at work. Consistent with theoretical expectations, self-efficacy was relatively stable during confinement and was positively related to positive affect and negatively related to negative affect. Self-efficacy was also positively correlated with all dimensions of adaptive performance at work during confinement. The role of self-efficacy as a protective factor against depressive risks induced by the stressful COVID-19 pandemic is discussed.

    In March 2019, our health system launched a project called Linking MATTERS (

    edication for

    ddiction

    reatment linkage

    hrough

    mergency depa

    tment

    ) to initiate evidence-based treatment for opioid use disorder (OUD) with buprenorphine-naloxone (B/N) in our emergency departments and connect patients to our primary care sites to continue their addiction care.

    Six months after project implementation, we conducted in-depth interviews with frontline providers (

     = 14), including emergency physicians and hospitalists, recovery coaches, ED and outpatient nurses, and case managers. We used qualitative thematic analysis to identify barriers and facilitators to implementation and suggestions for improving the project.

    We identified five salient themes (1) provider trainings mandated, rather than optional trainings, facilitated provider uptake; (2) provider attitudes there was a growing recognition of addiction as a chronic, medical disease and the value of B/N in supporting patients’ recovery, driven bmally positioned to engage patients; (4) the linking mechanism personal connections between ED and outpatient providers, rather than follow-up telephone calls, facilitated linkage; and (5) suggestions for improving the program, including a physical space/bridge clinic to provide patient linkage, expansion of the recovery coach program, and standardized, evidence-based interdisciplinary trainings for all frontline providers. Conclusion The insights provided will support further program modifications. Healthcare systems should explore whether the components we identified warrant attention locally based on their unique infrastructure and culture.The slowing-down de novo drug-discovery emphasized the importance of repurposing old drugs. This is particularly true when combating infections caused by therapy-refractory microorganisms, such as Scedosporium species and Lomentospora prolificans. Recent studies on Scedosporium responses to oxidative stress underscored the importance of targeting the underlying mechanisms. Auranofin, ebselen, PX-12, honokiol, and to a lesser extent, conoidin A are known to disturb redox-homeostasis systems in many organisms. Their antifungal activity was assessed against 27 isolates belonging to the major Scedosporium species S. apiospermum, S. aurantiacum, S. boydii, S. dehoogii, S. minutisporum, and Lomentospora prolificans. Auranofin and honokiol were the most active against all Scedosporium species (mean MIC50 values of 2.875 and 6.143 μg/ml, respectively) and against L. prolificans isolates (mean MIC50 values of 4.0 and 3.563μg/ml respectively). Combinations of auranofin with voriconazole or honokiol revealed additive effects against 9/27 and 18/27 isolates, respectively. Synergistic interaction between auranofin and honokiol was only found against one isolate of L. prolificans. The effects of auranofin upon exposure to oxidative stress were also investigated. For all species except S. selleck inhibitor dehoogii, the maximal growth in the presence of auranofin significantly decreased when adding a sublethal dose of menadione. The analysis of the expression of genes encoding oxidoreductase enzymes upon exposure of S. apiospermum to honokiol unveiled the upregulation of many genes, especially those coding peroxiredoxins, thioredoxin reductases, and glutaredoxins. Altogether, these data suggest that auranofin and honokiol act via dampening the redox balance and support their repurposing as antifungals against Scedosporium species and L. prolificans.

    Accurate tracheoesophageal prosthesis (TEP) size is essential for optimal functioning. Current sizing techniques do not afford direct visualization. The clinical utility of direct visualization with unsedated transnasal esophagoscopy (TNE) to improve TEP sizing accuracy has not been established.

    The purpose of this investigation was to determine if endoscopic visualization with TNE during TEP fitting improves sizing accuracy.

    Participants undergoing secondary TEP placement had their TEP sized without visualization and with visualization during TNE. The effect of endoscopic visualization on TEP sizing was assessed.

    The mean age (SD) of the cohort (

     = 15) was 61.20 (±10.19) years. The percent disagreement between non-visualized and endoscopic-visualized puncture tract measurement was 60%. The mean difference in puncture tract length with visualization compared to without visualization was 1.75 mm (±1.91). Discordance between non-visualized and endoscopic-visualized puncture tract length was worse for persons with a history of radiation (66.