Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.00 vteřin. 
Acyclic nucleoside bis-phosphonates as potent inhibitors of 6-oxopurine phosphoribosyltransferases
Špaček, Petr ; Keough, D. T. ; Vrbková, Silvie ; Slavětínská, Lenka ; Janeba, Zlatko ; Naesens, L. ; Edstein, M. D. ; Chavchich, M. ; Wang, T. H. ; de Jersey, J. ; Guddat, L. W. ; Hocková, Dana
Hypoxanthine-guanin-(xanthine) phosphoribosyltransferase (HG(X)PRT) is critical for the survival of malarial parasites Plasmodium falciparum and Plasmodium vivax. These parasites rely on HG(X)PRT to make 6-oxopurine nucleoside monophosphates. Specific acyclic nucleoside phosphonates (ANPs) inhibit HG(X)PRT and thus have an anti-plasmodial activity. Crystal structures of human HGPRT in complex with several ANP-based inhibitors suggested that attachment of the second phosphonate group which could occupy the pyrophosphate binding site may lead to increased affinity of these compounds.
Acyclic Nucleoside Phosphonates as Inhibitors of Hypoxanthine-Guanine-Xanthine Phosphoribosyltransferase: New Anti-Malarial Chemotherapy Leads
Hocková, Dana ; Holý, Antonín ; Česnek, Michal ; Baszczyňski, Ondřej ; Tichý, Tomáš ; Krečmerová, Marcela ; Janeba, Zlatko ; Skinner-Adams, T. S. ; Naesens, L. ; Keough, D. T. ; de Jersey, J. ; Guddat, L. W.
Hypoxanthine-guanine-xanthine phosphoribosyltransferase (HGXPRTase) is a widely recognized target for the discovery of new anti-malarial drugs. Specific acyclic nucleoside phosphonates (ANPs) inhibit HGXPRTase and possess anti-plasmodial activity. Within the framework of a SAR-study, the classical ANPs (e.g. PME-, PMP- and HPMP-derivatives) as well as novel series of compounds were tested to investigate their efficiency and selectivity on the inhibition of P. falciparum, P. vivax and human enzyme.

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