ArticleNaunyn-Schmiedeberg's archives of pharmacology2025
Potential mechanisms of ZiGongDing in treating HPV-induced cervical intraepithelial neoplasia: a network pharmacology and experimental verification study.
Article in Naunyn-Schmiedeberg's archives of pharmacology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The onset of cervical intraepithelial neoplasia (CIN) is strongly associated with persistent infection caused by high-risk human papillomavirus (HPV). ZiGongDing (ZGD), a traditional Chinese medicine, has progressed to clinical application in HPV-induced CIN treatment, yet the underlying mechanism remains unclear. The objective of this paper is to explore the mechanism of ZGD in treating HPV-induced CIN by integrating a combination of network pharmacology and experimental validation. The active ingredients and targets of ZGD were obtained from the Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform (TCMSP) database. CIN-related targets were sourced from GeneCards and the Online Mendelian Inheritance in Man (OMIM) database. Protein-protein interaction (PPI) and functional enrichment analyses were conducted to determine the potential molecular mechanism. The herb-active ingredient-target network was constructed by Cytoscape software. To further validate the therapeutic mechanism, molecular docking and in vitro experiments were performed. In this study, we identified 60 active ingredients in ZGD and 46 common targets in of CIN treatment. The PPI network analysis revealed estrogen receptor 1 (ESR1) as a pivotal target in ZGD against CIN. Functional enrichment analysis showed that the estrogen signaling pathway was mostly enriched, and ESR1 was involved. The herb-active ingredient-target network and relative literature identified cnidimol B as the primary active ingredient. Molecular docking demonstrated a strong binding affinity between ESR1 and cnidimol B. Cellular experiments revealed that cnidimol B could significantly decrease the viability of HeLa and CaSki cells. Moreover, the expression of ESR1 was notably upregulated in HeLa and CaSki cells after treatment with cnidimol B. Our study proposes a novel mechanism underlying ZGD against CIN, which involves the modulation of ESR1. This insight lays a solid foundation for further exploring and optimizing ZGD's therapeutic potential.
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