HUANG Dingyong,LI Zhiqiang,LIU Siwen,et al.Therapeutic efficacy and underlying mechanisms of Huanglian Pingwei Powder on ulcerative colitis mice[J].Shanghai Journal of Traditional Chinese Medicine,2026,60(2):17-27.
HUANG Dingyong,LI Zhiqiang,LIU Siwen,et al.Therapeutic efficacy and underlying mechanisms of Huanglian Pingwei Powder on ulcerative colitis mice[J].Shanghai Journal of Traditional Chinese Medicine,2026,60(2):17-27. DOI: 10.16305/j.1007-1334.2026.z20250717001.
Therapeutic efficacy and underlying mechanisms of Huanglian Pingwei Powder on ulcerative colitis mice
To investigate the therapeutic mechanism of Huanglian Pingwei Powder in treating ulcerative colitis (UC) model.
Methods
2
Ultra-Performance Liquid Chromatography-Mass Spectrometry/Mass Spectrometry (UPLC-MS/MS) was used to detect the main components of the drug. The TCMSP and PubChem databases were used to identify the targets of the drug's components. The UC model was established in mice using dextran sulfate sodium (DSS). Metabolomics analysis was conducted to assess the effects of Huanglian Pingwei Powder on metabolites. Hematoxylin and Eosin (HE) staining and Alcian Blue-Periodic Acid-Schiff (AB-PAS) staining were used to observe changes in inflammation and mucus in colon tissue. Immunohistochemistry was performed to detect the expression of Zonula Occludens-1(ZO-1), and Enzyme-Linked Immunosorbent Assay (ELISA) was used to measure serum levels of tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and reactive oxygen species (ROS). Western blot was used to assess the levels of phosphorylated protein 53 (p53) and cysteine aspartate-specific protease 3 (CASP3) proteins in colon tissue. Molecular docking was used to validate the binding affinity and interaction modes of key compounds with p53 and CASP3.
Results
2
Huanglian Pingwei Powder is primarily composed of flavonoids, saccharides and glycosides, phenylpropanoids, alkaloids, and terpenoids. Treatment with this formula regulated serum metabolites such as adenosine monophosphate, guanosine diphosphate-glucose, and indole compounds, significantly reducing serum TNF-α, IL-6, and ROS levels. It also increased expression of ZO-1 and mucin secretion, reduced inflammatory cell infiltration in intestinal tissue, and inhibited p53 and CASP3 protein expression in colon tissue. Both dehydrocorydaline and coptisine exhibited strong binding affinity for p53 and CASP3.
Conclusion
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Huanglian Pingwei Powder alleviates intestinal inflammation and improves gut function by inhibiting the p53 signaling pathway.
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references
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