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<p>Ulcerative colitis (UC) is a chronic inflammatory disease with an unclear pathogenesis. This study aimed to investigate the therapeutic mechanism of leonurine in UC. Using network pharmacology and bioinformatics analysis, we identified the PINK1/Parkin-mediated mitophagy pathway as a key target. Validation in a DSS-induced colitis mice model showed that leonurine significantly alleviated colonic injury, reduced inflammatory cytokines, and restored intestinal barrier function. Mechanistically, leonurine upregulated the expression of mitophagy-related proteins (PINK1, Parkin, LC3II) and improved mitochondrial morphology. In conclusion, leonurine ameliorates UC by activating the PINK1/Parkin-mediated mitophagy pathway, providing a scientific basis for its development as a potential therapeutic agent.</p>

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Leonurine alleviates DSS-induced colitis in mice by activating the PINK1/Parkin-mediated mitophagy pathway: an integrated network pharmacology and experimental validation study

  • 期刊论文

  • 发表日期：

    2026年2月5日

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  • Tingting Cao,
  • Juan Zhang,
  • Wei Song,
  • Guozhong Ji,
  • Honggang Wang

摘要

Ulcerative colitis (UC) is a chronic inflammatory disease with an unclear pathogenesis. This study aimed to investigate the therapeutic mechanism of leonurine in UC. Using network pharmacology and bioinformatics analysis, we identified the PINK1/Parkin-mediated mitophagy pathway as a key target. Validation in a DSS-induced colitis mice model showed that leonurine significantly alleviated colonic injury, reduced inflammatory cytokines, and restored intestinal barrier function. Mechanistically, leonurine upregulated the expression of mitophagy-related proteins (PINK1, Parkin, LC3II) and improved mitochondrial morphology. In conclusion, leonurine ameliorates UC by activating the PINK1/Parkin-mediated mitophagy pathway, providing a scientific basis for its development as a potential therapeutic agent.