ArticleScientific reports2025
Diethylcarbamazine elicits calcium signals by activation of Brugia malayi TRP-2b channels heterologously expressed in HEK293 cells.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Polypharmacology of anthelmintics at host and parasite ion channels.PLoS pathogens · 2026Article
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Abstract
Diethylcarbamazine is a classic anthelmintic that is used for the prevention and treatment of lymphatic filariasis. The mode of action of diethylcarbamazine is still not well understood with the consensus that it acts on the host immune system, rather than directly acting on the adult parasite. Recent studies, have found that diethylcarbamazine acts on the muscle of adult female Brugia malayi, generating temporary spastic paralysis mainly through the Transient Potential Receptor C (TRPC) orthologue TRP-2. Activation of TRP-2 leads to inward currents on the muscle, an increase in intracellular calcium and subsequent muscle contraction. These studies have demonstrated that Brugia malayi TRP-2 is activated by diethylcarbamazine. In this study, we heterologously expressed the Brugia malayi TRP-2b channel in the Human Embryonic Kidney (HEK) 293 cell line. Application of diethylcarbamazine to Bma-trp-2b transfected HEK293 cells generated larger (mean increase 28%) and more frequent increases in intracellular calcium compared to non-transfected cells (mean increase 1%). This increase can be inhibited using the TRPC antagonist SKF96365. Our study shows that diethylcarbamazine's action is dependent upon the Brugia malayi TRP-2 channel and may also activate endogenous mammalian TRP channels.
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