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In the past 65 years, antifolates targeting folate metabolism played a pivotal role in drug treatment of malignant, microbial, parasitic and chronic inflammatory diseases. Drug discovery of novel antifolates with improved properties and superior activities remains an attractive strategy both in academia and in the pharmaceutical industry. Among novel antifolates are pemetrexed which primarily targets...
Folates play a key role in one-carbon metabolism essential for the biosynthesis of purines, thymidylate and hence DNA replication. The antifolate methotrexate has been rationally-designed nearly 60 years ago to potently block the folate-dependent enzyme dihydrofolate reductase (DHFR) thereby achieving temporary remissions in childhood acute leukemia. Recently, the novel antifolates raltitrexed and...
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