Development of In Vitro Assays with the Canine Hookworm and Assessment of Natural Plant Products for Anti-Parasitic Activity

Overview

Journal Pathogens

Date 2023 Apr 28

PMID 37111422

Authors

Heidi A Geisshirt

Charlotte S Bonde

Caroline Marcussen

Helena Mejer

Andrew R Williams

Affiliations

Soon will be listed here.

Abstract

Enteric helminth infection is an increasing concern in companion animals due to reports of resistance to commonly used anthelmintic drugs. Thus, the assessment of new therapeutic options such as bioactive dietary additives is of high importance. Here, we adapted egg hatch, larval migration, and larval motility assays to screen extracts of several natural ingredients against the canine hookworm , a prevalent parasite of dogs in northern Europe. Egg hatch and larval migration assays were established showing that the anthelmintic drugs levamisole and albendazole had strong anti-parasitic activity against , validating the use of these assays for the assessment of novel anti-parasitic substances. Subsequently, we identified that extracts from the seaweed , but not extracts from grape seed or chicory, significantly inhibited both hatching and larval migration. Finally, we showed that α-linolenic acid, a putative anti-parasitic compound from , also exhibited anti-parasitic activity. Collectively, our results established a platform for the screening for anthelmintic resistance or novel drug candidates against and highlighted the potential use of seaweed extracts as a functional food component to help control hookworm infection in dogs.

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