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SHARK ANITIBODY-LIKE PROTEINS NEUTRALIZE COVID-19 VIRUS, HELP PREPARE FOR FUTURE CORONVIRUSES

University of Wisconsin-Madison Summary: Small, unique antibody-like proteins known as VNARs — derived from the immune systems of sharks — can prevent the virus that causes COVID-19, its variants, and related coronaviruses from infecting human cells, according to a new study.

Small, unique antibody-like proteins known as VNARs — derived from the immune systems of sharks — can prevent the virus that causes COVID-19, its variants, and related coronaviruses from infecting human cells, according to a new study published Dec. 16. The new VNARs will not be immediately available as a treatment in people, but they can help prepare for future coronavirus outbreaks. The shark VNARs were able to neutralize WIV1-CoV, a coronavirus that is capable of infecting human cells but currently circulates only in bats, where SARS-CoV-2, the virus that causes COVID-19, likely originated. Developing treatments for such animal-borne viruses ahead of time can prove useful if those viruses make the jump to people. “The big issue is there are a number of coronaviruses that are poised for emergence in humans,” says Aaron LeBeau, a University of Wisconsin-Madison professor of pathology who helped lead the study. “What we’re doing is preparing an arsenal of shark VNAR therapeutics that could be used down the road for future SARS outbreaks. It’s a kind of insurance against the future.” READ MORE

Felix R.

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