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<p>To elucidate the mechanism of <i>Schizonepeta tenuifolia</i>-Diosmetin in acne treatment using an integrated approach combining network pharmacology, molecular dynamics simulation, and experimental validation. Acne-related expression datasets were acquired from GEO, with differentially expressed genes (DEGs) identified using R. Regulatory patterns were visualized via volcano plots and heatmaps. Enrichment analyses (GO and KEGG) revealed significant biological processes and pathways. Candidate targets were screened using LASSO regression and PPI network analysis, followed by drug discovery via the Coremine Medical database. Molecular docking and dynamics simulations assessed compound-target binding stability. To evaluate the in vitro effects of diosmetin, this study employed the HaCaT keratinocyte model. Cell viability and inflammatory cytokine expression levels following drug treatment were assessed using the CCK-8 assay and ELISA, respectively. Western blot analysis was used to investigate the effects of diosmetin proteins such as NF-κB, Nrf2, and KLK7. Immunofluorescence was used to detect ROS levels and mitochondrial morphological changes. GO and KEGG enrichment analyses revealed that DEGs were significantly enriched in pathways related to mitochondrial function and ROS. PPI network analysis further identified potential hub genes. Molecular docking and dynamics simulations suggested that diosmetin, an active component of <i>S. tenuifolia</i>, binds strongly to KLK7. Diosmetin (Dios) restored KLK7 levels, reduced ROS accumulation, and improved mitochondrial dysfunction induced by acne. Furthermore, the study found that diosmetin significantly reduced ear swelling and alleviated inflammation, providing preliminary preclinical evidence for its treatment of acne. The pathogenesis of acne is related to inflammation and oxidative stress. The anti-acne effect of <i>S. tenuifolia</i> is mainly mediated by diosmetin, which can alleviate oxidative stress and reduce inflammatory responses. This study provides supportive evidence for the potential application of diosmetin in acne treatment.</p> Graphical Abstract <p></p>

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Diosmetin, an active ingredient of Schizonepeta tenuifolia, alleviates acne by regulating inflammation and oxidative stress

  • 期刊论文

  • 发表日期：

    2026年2月18日

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  • Yu Pan,
  • Rui Sun,
  • Elizabeth Rosalind Thomas,
  • Shi Pan,
  • Linli Yang,
  • Wenjun Wang,
  • Lin Chen,
  • Xiang Li

摘要

To elucidate the mechanism of Schizonepeta tenuifolia-Diosmetin in acne treatment using an integrated approach combining network pharmacology, molecular dynamics simulation, and experimental validation. Acne-related expression datasets were acquired from GEO, with differentially expressed genes (DEGs) identified using R. Regulatory patterns were visualized via volcano plots and heatmaps. Enrichment analyses (GO and KEGG) revealed significant biological processes and pathways. Candidate targets were screened using LASSO regression and PPI network analysis, followed by drug discovery via the Coremine Medical database. Molecular docking and dynamics simulations assessed compound-target binding stability. To evaluate the in vitro effects of diosmetin, this study employed the HaCaT keratinocyte model. Cell viability and inflammatory cytokine expression levels following drug treatment were assessed using the CCK-8 assay and ELISA, respectively. Western blot analysis was used to investigate the effects of diosmetin proteins such as NF-κB, Nrf2, and KLK7. Immunofluorescence was used to detect ROS levels and mitochondrial morphological changes. GO and KEGG enrichment analyses revealed that DEGs were significantly enriched in pathways related to mitochondrial function and ROS. PPI network analysis further identified potential hub genes. Molecular docking and dynamics simulations suggested that diosmetin, an active component of S. tenuifolia, binds strongly to KLK7. Diosmetin (Dios) restored KLK7 levels, reduced ROS accumulation, and improved mitochondrial dysfunction induced by acne. Furthermore, the study found that diosmetin significantly reduced ear swelling and alleviated inflammation, providing preliminary preclinical evidence for its treatment of acne. The pathogenesis of acne is related to inflammation and oxidative stress. The anti-acne effect of S. tenuifolia is mainly mediated by diosmetin, which can alleviate oxidative stress and reduce inflammatory responses. This study provides supportive evidence for the potential application of diosmetin in acne treatment.

Graphical Abstract