Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume 118, Issue 9, Pages -Publisher
NATL ACAD SCIENCES
DOI: 10.1073/pnas.2026309118
Keywords
Neandertals; COVID-19; OAS1; SARS-CoV-2
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Funding
- Max Planck Society
- NOMIS Foundation
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Recent studies have identified a genetic risk factor for severe illness with COVID-19 inherited from Neandertals, but also a protective Neandertal haplotype. These genetic factors influence the need for intensive care after infection and are present in populations worldwide outside of Africa.
It was recently shown that the major genetic risk factor associated with becoming severely ill with COVID-19 when infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is inherited from Neandertals. New, larger genetic association studies now allow additional genetic risk factors to be discovered. Using data from the Genetics of Mortality in Critical Care (GenOMICC) consortium, we show that a haplotype at a region on chromosome 12 associated with requiring intensive care when infected with the virus is inherited from Neandertals. This region encodes proteins that activate enzymes that are important during infections with RNA viruses. In contrast to the previously described Neandertal haplotype that increases the risk for severe COVID-19, this Neandertal haplotype is protective against severe disease. It also differs from the risk haplotype in that it has a more moderate effect and occurs at substantial frequencies in all regions of the world outside Africa. Among ancient human genomes in western Eurasia, the frequency of the protective Neandertal haplotype may have increased between 20,000 and 10,000 y ago and again during the past. 1,000 y.
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