Five Key Genes Linked To Severe COVID-19 Found, Suggesting D
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Researchers who studied the DNA of 2,700 COVID-19 patients in 208 intensive care units across Britain found that five genes involving in two molecular processes - antiviral immunity and lung inflammation were central to many severe cases.

The genes called IFNAR2, TYK2, OAS1, DPP9 and CCR2 partially explain why some people become desperately sick with COVID-19 while others are not affected, said Kenneth Baillie, an academic consultant in critical care medicine at Edinburgh University who co-led the research.

The findings should help scientists speed up the search for potential drugs for COVID-19 by conducting clinical trials of medicines that target specific antiviral and anti-inflammatory pathways.

The team also found that a boost in the activity of the INFAR2 gene could create protection against COVID-19 because it is likely to mimic the effect of treatment with interferon.

Dexamethasone and a newly developed antiviral called remdesivir are the only drugs authorised around the world to treat COVID-19 patients although remdesivir is not recommended for severe cases of the disease and has had mixed results in trials.

Source:
https://www.nature.com/articles/s41586-020-03065-y
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