Genetic susceptibility to severe COVID-19.

Infect Genet Evol

Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele - Milan 20072, Italy; IRCCS Humanitas Research Hospital, Via Manzoni 56, Rozzano, Milan 20089, Italy. Electronic address:

Published: June 2023

AI Article Synopsis

  • - SARS-CoV-2 causes COVID-19, which can range from no symptoms to severe illness or death. Factors like age, gender, and existing health issues can worsen outcomes.
  • - The genetic makeup of both the virus and the infected individuals can influence the severity of COVID-19 symptoms, leading to varied clinical experiences.
  • - The review discusses current research on genetic factors that contribute to more severe COVID-19 cases, along with a brief overview of the disease's symptoms and how the virus infects humans.

Article Abstract

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the etiologic agent of the coronavirus disease 2019 (COVID-19) pandemic. Clinical manifestations of the disease range from an asymptomatic condition to life-threatening events and death, with more severe courses being associated with age, male sex, and comorbidities. Besides these risk factors, intrinsic characteristics of the virus as well as genetic factors of the host are expected to account for COVID-19 clinical heterogeneity. Genetic studies have long been recognized as fundamental to identify biological mechanisms underlying congenital diseases, to pinpoint genes/proteins responsible for the susceptibility to different inherited conditions, to highlight targets of therapeutic relevance, to suggest drug repurposing, and even to clarify causal relationships that make modifiable some environmental risk factors. Though these studies usually take long time to be concluded and, above all, to translate their discoveries to patients' bedside, the scientific community moved really fast to deliver genetic signals underlying different COVID-19 phenotypes. In this Review, besides a concise description of COVID-19 symptomatology and of SARS-CoV-2 mechanism of infection, we aimed to recapitulate the current literature in terms of host genetic factors that specifically associate with an increased severity of the disease.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10022467PMC
http://dx.doi.org/10.1016/j.meegid.2023.105426DOI Listing

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