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dihydrofolate |
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dihydrofolate /di·hy·dro·fo·late/ (DHF) (-fo´lāt) an ester or dissociated form of dihydrofolic acid. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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MTX is a structural analog of folic acid that can competitively inhibit the binding of dihydrofolic acid to the enzyme dihydrofolate reductase. Dihydrofolate reductase (DHFR) catalyzes the reduction of dihydrofolate to tetrahyrofolate using coenzyme nicotinamide adenine dinucleotide phosphate (NAPD) as a proton donor. Novel aspects of resistance to drugs targeted to dihydrofolate reductase and thymidylate synthase. |
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