Discovery could lead to anti-clotting drugs with less risk of bleeding

Researchers have discovered a molecular switch that causes small, beneficial clots that stop bleeding to enlarge further during wound healing. By blocking this switch in lab mice, the researchers prevented small clots from growing -- a process that can pose a danger in humans -- while preserving their ability to staunch bleeding. Their findings open up the possibility for developing potent anti-clotting drugs that don't raise the risk of bleeding.

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