Virtual screening, molecular dynamics simulations, and in vitro analysis of Sophora flavescens-derived aloperine against Haemonchus contortus

文献类型： 外文期刊

第一作者： Li, Anben

作者： Li, Anben;Ma, Yan;Fu, Nana;Li, Jun;Liu, Yang;Li, Anben;Ma, Yan;Fu, Nana;Li, Jun;Liu, Yang;Li, Wenxi;Zhai, Bintao;Zhou, Qianyu

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关键词： Haemonchus contortus; virtual screening; aloperine; IVM; HC-Pgp

期刊名称：FRONTIERS IN VETERINARY SCIENCE （ 影响因子：2.9； 五年影响因子：3.3 ）

ISSN：

年卷期： 2025 年 12 卷

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收录情况： SCI

摘要： Introduction: The resistance of Haemonchus contortus to ivermectin (IVM) poses a significant economic threat to the global livestock industry. This necessitates alternative strategies for managing the development of drug resistance in H. contortus. Methods: This study employed molecular docking screening, molecular dynamics simulations, and in vitro experiments to evaluate the effects of bioactive alkaloids from Sophora alopecuroides L. on H. contortus. Results: Molecular docking and dynamics simulations revealed aloperine (ALO)'s strong binding affinity (-6.83 kcal/mol) and stable interaction with HC-Pgp among 13 tested alkaloids. Further evaluation through larval development test (LDT), larval migration inhibition test (LMIT), and scanning electron microscopy revealed that the combined administration of ALO and IVM exerted significantly enhanced inhibitory effects on the development, motility, and morphological integrity of IVM-resistant strains compared to monotherapy groups. Furthermore, the Rhodamine-123 accumulation assay demonstrated that aloperine significantly inhibited HC-Pgp activity (p < 0.05). Discussion: This study provides new perspectives for exploring the natural product ALO as an anthelmintic, HC-Pgp inhibitor, and synergist molecule. Further studies evaluating in vivo safety and pharmacokinetic interactions are required to validate these findings.

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