Sex differences in the susceptibility of SARS-CoV-2 infection and severity have been controversial,and the underlying mechanisms of COVID-19 in a sex-specific manner remain *** we inspected sex differences in SARS-CoV...
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Sex differences in the susceptibility of SARS-CoV-2 infection and severity have been controversial,and the underlying mechanisms of COVID-19 in a sex-specific manner remain *** we inspected sex differences in SARS-CoV-2 infection,hospitalization,admission to the intensive care unit(ICU),sera inflammatory biomarker profiling,and single-cell RNA-sequencing(scRNA-seq)profiles across nasal,bronchoalveolar lavage fluid(BALF),and peripheral blood mononuclear cells(PBMCs)from COVID-19 patients with varying degrees of disease *** propensity score-matching observations revealed that male individuals have a 29%elevated likelihood of SARS-CoV-2 positivity,with a hazard ratio(HR)1.32(95%confidence interval[Cl]1.18-1.48)for hospitalization and HR 1.51(95%Cl 1.24-1.84)for admission to *** from male patients at hospital admission had elevated neutrophil-lymphocyte ratio and elevated expression of inflammatory markers(C-reactive protein and procalcitonin).We found that SARS-CoV-2 entry factors,including ACE2,TMPRSS2,FURIN,and NRP1,have elevated expression in nasal squamous cells from male individuals with moderate and severe *** observed male-biased transcriptional activation in SARS-CoV-2-infected macrophages from BALF and sputum samples,which offers potential molecular mechanism for sex-biased susceptibility to viral ***-cell interaction network analysis reveals potential epithelium-immune cell interactions and immune vulnerability underlying male-elevated disease severity and mortality in ***,monocyte-elevated expression of Toll-like receptor 7{TLR7)and Bruton tyrosine kinase{BTK)is associated with severe outcomes in males with *** summary,these findings provide basis to decipher immune responses underlying sex differences and designing sex-specific targeted interventions and patient care for COVID-19.
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