Highlights Our study confirmed the Posttraumatic Stress Disorder Checklist for DSM-5 (PCL-5) has good reliability and validity in frontline health workers during the outbreak of Corona Virus Disease 2019. The Chinese version of PCL-5 can be used as a reliable screening tool to conduct psychological screening for Chinese healthcare workers during the outbreak of 2019-nCoV. Almost 60% of frontline healthcare workers met the criteria of provisional PTSD diagnosis in the outbreak of 2019-nCoV.

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The increase in cardiac myocyte size is a critical issue in cardiac hypertrophy development. In this study, 61 differentially expressed genes between hypertrophic rats and normal controls were enriched in the positive modulation of fatty acid uptake, fatty acid metabolism and degradation, cardiac conduction, and the oxidation of carbohydrates and other processes. Acsl6 was significantly downregulated in hypertrophic rat and mouse hearts according to online data. Based on the experimental data, Acsl6 was underexpressed in ISO-induced cardiac hypertrophy mouse model and isoproterenol (ISO)-induced cardiomyocyte hypertrophy cell model. In vivo, Acsl6 overexpression partially attenuated ISO-induced increases in the cross-sectional area and cardiac hypertrophy, elevated hypertrophic markers, and caused impairment of cardiac function. In vitro, Acsl6 overexpression partially attenuated ISOinduced cardiomyocyte hypertrophy and increased hypertrophic markers. Conclusively, Ascl6 is downregulated in ISO-induced cardiac hypertrophy mouse model and ISO-induced cardiomyocyte hypertrophy cell model. Acsl6 overexpression could partially improve cardiac hypertrophy in vivo and cardiomyocyte hypertrophy in vitro, possibly through the regulation of HIF-1a/Hippo pathway.