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Exploring Host Genetic Polymorphisms Involved in SARS-CoV Infection Outcomes: Implications for Personalized Medicine

Omar Ramos-Lopez¹, Lidia Daimiel², Ana Ramírez de Molina³

¹Faculty of Medicine and Psychology, Autonomous University of Baja California, Tijuana, Baja California, Mexico.

International Journal of Genomics

|October 28, 2020

Abstract

Objective:

To systematically explore genetic polymorphisms associated with the clinical outcomes in SARS-CoV infection in humans.

Methods:

This comprehensive literature search comprised available English papers published in PubMed/Medline and SCOPUS databases following the PRISMA-P guidelines and PICO/AXIS criteria.

Results:

Twenty-nine polymorphisms located in 21 genes were identified as associated with SARS-CoV susceptibility/resistance, disease severity, and clinical outcomes predominantly in Asian populations. Thus, genes implicated in key pathophysiological processes such as the mechanisms related to the entry of the virus into the cell and the antiviral immune/inflammatory responses were identified.

Conclusions:

Although caution must be taken, the results of this systematic review suggest that multiple genetic polymorphisms are associated with SARS-CoV infection features by affecting virus pathogenesis and host immune response, which could have important applications for the study and understanding of genetics in SARS-CoV-2/COVID-19 and for personalized translational clinical practice depending on the population studied and associated environments.

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