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Design and synthesis of molecular probes for the determination of the target of the anthelmintic drug praziquantel.


ABSTRACT: Schistosomiasis is a highly prevalent neglected tropical disease caused by blood-dwelling helminths of the genus Schistosoma. Praziquantel (PZQ) is the only drug available widely for the treatment of this disease and is administered in racemic form, even though only the (R)-isomer has significant anthelmintic activity. Progress towards the development of a second generation of anthelmintics is hampered by a lack of understanding of the mechanism of action of PZQ. In this Letter, we report an efficient protocol for the small-scale separation of enantiomers of 2 (hydrolyzed PZQ) using supercritical fluid chromatography (SFC). The enantiopure 2 was then used to develop several molecular probes, which can potentially be used to help identify the protein target of PZQ and study its mode of action.

SUBMITTER: Sharma LK 

PROVIDER: S-EPMC4055354 | biostudies-literature | 2014 Jun

REPOSITORIES: biostudies-literature

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Design and synthesis of molecular probes for the determination of the target of the anthelmintic drug praziquantel.

Sharma Lalit Kumar LK   Cupit Pauline M PM   Goronga Tino T   Webb Thomas R TR   Cunningham Charles C  

Bioorganic & medicinal chemistry letters 20140413 11


Schistosomiasis is a highly prevalent neglected tropical disease caused by blood-dwelling helminths of the genus Schistosoma. Praziquantel (PZQ) is the only drug available widely for the treatment of this disease and is administered in racemic form, even though only the (R)-isomer has significant anthelmintic activity. Progress towards the development of a second generation of anthelmintics is hampered by a lack of understanding of the mechanism of action of PZQ. In this Letter, we report an eff  ...[more]

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