Antischistosomal Activity of Hexadecyloxypropyl Cyclic 9-(S)-[3-Hydroxy-2-(Phosphonomethoxy)Propyl]Adenine and Other Alkoxyalkyl Esters of Acyclic Nucleoside Phosphonates Assessed by Schistosome Worm Killing In Vitro▿

AUTOR(ES)

Botros, Sanaa S.

FONTE

American Society for Microbiology (ASM)

RESUMO

9-(S)-[3-Hydroxy-2-(phosphonomethoxy)propyl]adenine [(S)-HPMPA] has been reported to have antischistosomal activity. Ether lipid esters of (S)-HPMPA and cidofovir (CDV) have greatly increased activities in antiviral assays and in lethal animal models of poxvirus diseases. To see if ether lipid esters of CDV and (S)-HPMPA enhance antischistosomal activity, we tested their alkoxyalkyl esters using Schistosoma mansoni worm killing in vitro. Hexadecyloxypropyl (HDP)-cyclic-(S)-HPMPA and HDP-cyclic-CDV exhibited significant in vitro antischistosomal activities and may offer promise alone or in combination with praziquantel.

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