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Evaluation of Serum Supplementation on the Development of Haemonchus contortus Larvae In Vitro and on Compound Screening Results
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Evaluation of Serum Supplementation on the Development of Haemonchus contortus Larvae In Vitro and on Compound Screening Results
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Journal Article
Evaluation of Serum Supplementation on the Development of Haemonchus contortus Larvae In Vitro and on Compound Screening Results
2025
Overview
A high-throughput platform for assessing the activity of synthetic or natural compounds on the motility and development of Haemonchus contortus larvae has been established for identifying new anthelmintic compounds active against strongylid nematodes. This study evaluated the impact of serum supplementation on larval development, motility and survival in vitro and its implications for phenotypic compound screening. Of five blood components assessed, 7.5% sheep serum significantly enhanced larval development, motility and survival compared to the original medium (LB*), leading to the formulation of an improved medium (LBS*). Proteomic analysis revealed marked differences in protein expression in larvae cultured in LBS* versus LB*, including molecules associated with structural integrity and metabolic processes. The phenotypic screening of 240 compounds (“Global Priority Box” from Medicines Malaria Venture) using LBS* yielded results distinct from those in LB*, highlighting the effect of culture conditions on screening assessments. These findings indicate/emphasise the critical need to evaluate and optimise culture media for physiologically relevant conditions in screening platforms, improving the reliability of anthelmintic discovery.
Publisher
MDPI AG,MDPI
