Trifluridine

Trifluridine (Viroptic) is a fluorinated pyrimidine nucleoside that has in vitro activity against HSV-1 and HSV-2, vaccinia, and to a lesser extent, some adenoviruses. Activation of trifluridine requires its conversion to the 5'monophosphate form by cellular enzymes.Trifluridine monophosphate inhibits the conversion of deoxyuri-dine monophosphate (dUMP) to deoxythymidine monophosphate (dTMP) by thymidylate synthetase. In addition, it competes with deoxythymidine triphosphate (dTTP) for incorporation by both viral and cellular DNA polymerases. Trifluridine-resistant mutants have been found to have alterations in thymidylate syn-thetase specificity.

10 Ways To Fight Off Cancer

10 Ways To Fight Off Cancer

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