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Synthesis of branched 9-[2-(2-phosphonoethoxy)ethyl]purines as a new class of acyclic nucleoside phosphonates which inhibit Plasmodium falciparum hypoxanthine–guanine–xanthine phosphoribosyltransferase by Dana Hocková; Antonín Holý; Milena Masojídková; Dianne T. Keough; John de Jersey; Luke W. Guddat is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Synthesis of branched 9-[2-(2-phosphonoethoxy)ethyl]purines as a new class of acyclic nucleoside phosphonates which inhibit Plasmodium falciparum hypoxanthine–guanine–xanthine phosphoribosyltransferase about?

The malarial parasite Plasmodium falciparum (Pf) lacks the de novo pathway and relies on the salvage enzyme, hypoxanthine-guanine-xanthine phosphoribosyltransferase (HGXPRT), for the synthesis of the 6-oxopurine nucleoside monophosphates. Specific acyclic nucleoside phosphonates (ANPs) inhibit PfHGXPRT and possess anti-plasmodial activity. Two series of novel branched ANPs derived from 9-[2-(2-phosphonoethoxy)ethyl]purines were synthesized to investigate their inhibition of PfHGXPRT and human HGPRT. The best inhibitor of PfHGXPRT has a K i of 1 lM. The data showed that both the position and nature of the hydrophobic substituent change the potency and selectivity of the ANPs.

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Author

Dana Hocková; Antonín Holý; Milena Masojídková; Dianne T. Keough; John de Jersey; Luke W. Guddat

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0968-0896)

Published

2009

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)