Nurse sharks gliding around a tank at the University of Wisconsin-Madison may hold the secret to an unusual, previously unexamined treatment for COVID-19, according to a new study published Thursday in the journal Nature Communications.
Antibodies derived from the immune systems of sharks proved effective against the new coronavirus, including the Delta variant, in lab experiments using human lung and embryonic kidney cells.
In a lab dish, the shark antibodies block the connection between the virus’ Spike protein and the ACE2 receptor on human cells — the critical link that provides the virus with a gateway into our cells.
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