Abstract Title:

Potential of myricetin to restore the immune balance in dextran sulfate sodium-induced acute murine ulcerative colitis.

Abstract Source:

J Pharm Pharmacol. 2019 Nov 14. Epub 2019 Nov 14. PMID: 31724745

Abstract Author(s):

Xinyan Qu, Qingjun Li, Yue Song, Anqi Xue, Yuhua Liu, Dongmei Qi, Hongjing Dong

Article Affiliation:

Xinyan Qu


OBJECTIVES: Myricetin is a bioactive compound in many edible plants with anti-inflammatory and anticarcinogenic activity. The current study aimed to determine the protective effects and mechanism of myricetin against ulcerative colitis (UC).

METHODS: Myricetin was orally administered at doses of 40 and 80 mg/kg to C57BL/6 mice with UC induced using dextran sulfate sodium. The disease-associated index and colon length were determined at the end of the experiment, the proportion of Treg, Th1 and Th17 was analysed by cytometry, and cytokines were detected using ELISA.

KEY FINDINGS: Myricetin (80 mg/kg) ameliorated the severity of inflammation in acute UC and significantly improved the condition. Myricetin (80 mg/kg) elevated the levels of IL-10 and transforming growth factor β. In addition, the proportion of regulatory T cells significantly increased in mice in the myricetin treatment group.

CONCLUSIONS: Taking together, these results suggest that myricetin exhibits significant protective effects against UC and it could be used as a potential treatment for UC.

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