Common Blood Thinner Heparin Shows Promise as Cobra Bite Antidote

upstart writes:

Common blood thinner heparin shows promise as cobra bite antidote:

Scientists at the University of Sydney and Liverpool School of Tropical Medicine have made a remarkable discovery: a commonly-used blood thinner, heparin, can be repurposed as an inexpensive antidote for cobra venom.

Cobras kill thousands of people a year worldwide and perhaps a hundred thousand more are seriously maimed by necrosis-the death of body tissue and cells-caused by the venom, which can lead to amputation.

Current antivenom treatment is expensive and does not effectively treat the necrosis of the flesh where the bite occurs.

"Our discovery could drastically reduce the terrible injuries from necrosis caused by cobra bites-and it might also slow the venom, which could improve survival rates," said Professor Greg Neely, a corresponding author of the study from the Charles Perkins Center and Faculty of Science at the University of Sydney.

Using CRISPR gene-editing technology to identify ways to block cobra venom, the team, which consisted of scientists based in Australia, Canada, Costa Rica and the UK, successfully repurposed heparin (a common blood thinner) and related drugs and showed they can stop the necrosis caused by cobra bites.

The research is published on the front cover of Science Translational Medicine.

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