Abstract：Objective Forty investigate the protective effect of Minocycline on 5-Fu induced intestinal mucostitis. Methods 40 male Balb/c mice were randomly divided into four groups (n = 10), Control group, 5-Fu induced mucositis model, high dose or low dose of Minocycline treated group. After the mice were intraperitoneal administrated with 80 mg/kg 5-Fu for 3 days and simultaneously treated with 30 or 60 mg/kg orally in Balb/c mice, the body weight loss, diarrhea scores, and HE stain of the intestinal, pro-inflammatory cytokines in intestine tissue and short chain fatty acids in colon contents were also determined. Results Data from this study indicated that high dose minocycline could attenuate the 5-Fu induced body weight loss (P < 0.01), and lower the diarrhea scores (P < 0.01). Also minicycline in high dose increased the intestinal vill length (P < 0.01), decreased the IL-6 (P < 0.05) and TNF-α (P < 0.01). In the colon contents, Minocycline could significantly increase the SCFAs concentration, especially for aceticacid butyricacid (P < 0.01). Conclusion All these results demonstrated that Minocycline exert protective effects on 5-Fu induced intestinal damage in mice, and these protective effects may partially oriented from its anti-inflammatory effects and enhancing short chain fatty acid production.
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2019, Vol. 16 
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