| Health / Medical Topics |
Proguanil Hydrochloride
The hydrochloride salt form of proguanil, a synthetic biguanide derivative of pyrimidine and an folate antagonist with antimalarial property. Upon hydrolysis, proguanil is converted to its active cyclic triazine metabolite, cycloguanil, by a cytochrome P450 dependent reaction. Cycloguanil selectively inhibits the bifunctional dihydrofolate reductase-thymidylate synthase (DHFR-TS) of plasmodium parasite, thereby disrupting deoxythymidylate synthesis and ultimately blocking DNA and protein synthesis in the parasite. (NCI Thesaurus)
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