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Phylogenomics of ligand-gated ion channels predicts monepantel effect

Rufener, L. and Keiser, J. and Kaminsky, R. and Mäser, P. and Nilsson, D.. (2010) Phylogenomics of ligand-gated ion channels predicts monepantel effect. PLoS Pathogens, Vol. 6, H. 9 , e1001091.

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Official URL: http://edoc.unibas.ch/dok/A5842982

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Abstract

The recently launched veterinary anthelmintic drench for sheep (Novartis Animal Health Inc., Switzerland) containing the nematocide monepantel represents a new class of anthelmintics: the amino-acetonitrile derivatives (AADs), much needed in view of widespread resistance to the classical drugs. Recently, it was shown that the ACR-23 protein in Caenorhabditis elegans and a homologous protein, MPTL-1 in Haemonchus contortus, are potential targets for AAD action. Both proteins belong to the DEG-3 subfamily of acetylcholine receptors, which are thought to be nematode-specific, and different from those targeted by the imidazothiazoles (e.g. levamisole). Here we provide further evidence that Cel-ACR-23 and Hco-MPTL-1-like subunits are involved in the monepantel-sensitive phenotype. We performed comparative genomics of ligand-gated ion channel genes from several nematodes and subsequently assessed their sensitivity to anthelmintics. The nematode species in the Caenorhabditis genus, equipped with ACR-23/MPTL-1-like receptor subunits, are sensitive to monepantel (EC(50)43 microM). Genome sequence information has long been used to identify putative targets for therapeutic intervention. We show how comparative genomics can be applied to predict drug sensitivity when molecular targets of a compound are known or suspected
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Medical Parasitology and Infection Biology (MPI) > Helminth Drug Development (Keiser)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Medical Parasitology and Infection Biology (MPI) > Parasite Chemotherapy (Mäser)
UniBasel Contributors:Keiser, Jennifer and Mäser, Pascal
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Public Library of Science
ISSN:1553-7366
e-ISSN:1553-7374
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:13 Oct 2017 07:43
Deposited On:14 Sep 2012 06:48

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