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Thromb Res. 1986 Jun 15;42(6):727-36.

The vitamin K-antagonism of salicylate and warfarin.

Abstract

When administered in high dosages, salicylate acts as a vitamin K-antagonist: it induces a decrease of the plasma concentration of the Gla-containing coagulation factors and an accumulation of microsomal substrates for vitamin K-dependent carboxylase in the liver and in the lung. In vitro the drugs inhibit the DTT-dependent reductases which mediate the reduction of vitamin K epoxide and vitamin K quinone. NADH-dependent reductase and vitamin K-dependent carboxylase are not inhibited.

PMID:
3726797
[PubMed - indexed for MEDLINE]
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