Abstract
Ulcerative colitis is a chronic inflammatory disorder of the intestinal mucosa and a prevalent gastrointestinal condition in developed countries. Peiminine, derived from the Fritillaria imperialis plant, exhibits remarkable anti-inflammatory and anti-cancer properties. This study aims to investigate the anti-inflammatory effects of peiminine in an experimental model of ulcerative colitis. Ulcerative colitis was induced intra-rectally in all groups, except the negative control, using 100 μl of 4% acetic acid. Peiminine treatment was initiated after ulcerative colitis induction and symptom manifestation. After the final injection, mice were sacrificed on day 15 for assessment. Various parameters were evaluated, including disease activity index, myeloperoxidase activity, nitric oxide levels, production and expression of IL-1, IL-6, TNF-α cytokines, and expression of IL-1β, IL-6, TNF-α, iNOS, and COX2 genes. Microscopic pathological evaluation was performed on colon tissue. Peiminine treatment resulted in reduced levels of NO, MPO, IL-1β, IL-6, and TNF-α. Furthermore, the expression of IL-1β, IL-6, TNF-α genes, iNOS, and COX2 genes was decreased in response to peiminine treatment in these mice. This study demonstrates the effectiveness of peiminine in alleviating inflammatory manifestations and mitigating intestinal tissue damage in an experimental model of ulcerative colitis, probably by anti-inflammatory procedure. Peiminine holds potential as a therapeutic adjunct for the management of ulcerative colitis.
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