Bioinformatic HLA Studies in the Context of SARS-CoV-2 Pandemic and Review on Association of HLA Alleles with Preexisting Medical Conditions

Mobini Kesheh, Mina; Shavandi, Sara; Hosseini, Parastoo; Kakavand-Ghalehnoei, Rezvan; Keyvani, Hossein

Bioinformatic HLA Studies in the Context of SARS-CoV-2 Pandemic and Review on Association of HLA Alleles with Preexisting Medical Conditions

2021

Mobini Kesheh, Mina(Department of Virology, School of Medicine) | Shavandi, Sara(Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology) | Hosseini, Parastoo(Department of Virology, School of Public Health) | Kakavand-Ghalehnoei, Rezvan(Department of Virology, Faculty of Medical Sciences) | Keyvani, Hossein(Department of Virology, School of Medicine)

After the announcement of a new coronavirus in China in December 2019, which was then called SARS-CoV-2, this virus changed to a global concern and it was then declared as a pandemic by WHO. Human leukocyte antigen (HLA) alleles, which are one of the most polymorphic genes, play a pivotal role in both resistance and vulnerability of the body against viruses and other infections as well as chronic diseases. The association between HLA alleles and preexisting medical conditions such as cardiovascular diseases and diabetes mellitus is reported in various studies. In this review, we focused on the bioinformatic HLA studies to summarize the HLA alleles which responded to SARS-CoV-2 peptides and have been used to design vaccines. We also reviewed HLA alleles that are associated with comorbidities and might be related to the high mortality rate among COVID-19 patients. Since both genes and patients’ medical conditions play a key role in both severity of the disease and the mortality rate in COVID-19 patients, a better understanding of the connection between HLA alleles and SARS-CoV-2 can provide a wider perspective on the behavior of the virus. Such understanding can help scientists, especially in terms of protecting healthcare workers and designing effective vaccines.

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