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Genetic variability in the expression of the SARS-CoV-2 host cell entry factors across populations
Lourdes Ortiz-Fernandez.
Amr H Sawalha.
Acceso Abierto
Atribución-NoComercial-SinDerivadas
10.1101/2020.04.06.027698
The entry of SARS-CoV-2 into host cells is dependent upon angiotensin-converting enzyme 2 (ACE2), which serves as a functional attachment receptor for the viral spike glycoprotein, and the serine protease TMPRSS2 which allows fusion of the viral and host cell membranes. We devised a quantitative measure to estimate genetic determinants of ACE2 and TMPRSS2 expression and applied this measure to >2,500 individuals. Our data show significant variability in genetic determinants of ACE2 and TMPRSS2 expression among individuals and between populations, and demonstrate a genetic predisposition for lower expression levels of both key viral entry genes in African populations. These data suggest that genetic factors might lead to lower susceptibility for SARS-CoV-2 infection in African populations and that host genetics might help explain inter-individual variability in disease susceptibility and severity of COVID-19.
www.biorxiv.org
2020
Artículo
https://www.biorxiv.org/content/10.1101/2020.04.06.027698v1.full.pdf
Inglés
VIRUS RESPIRATORIOS
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