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Article Publish Status: FREE
Abstract Title:

Butyrate suppresses abnormal proliferation in colonic epithelial cells under diabetic state by targeting HMGB1.

Abstract Source:

J Pharmacol Sci. 2018 Aug 31. Epub 2018 Aug 31. PMID: 30871870

Abstract Author(s):

Si-Yi Wang, Jie-Yao Li, Ji-Hao Xu, Zhong-Sheng Xia, Di Cheng, Wa Zhong, Yu Lai, Tao Yu, Qi-Kui Chen

Article Affiliation:

Si-Yi Wang

Abstract:

Butyrate is widely accepted as a proliferation inhibitor in colon cancer but less thoroughly characterized in the colonic epithelium of objects with type 2 diabetes mellitus. The present study investigated the regulatory effect of butyrate on proliferation, the related molecule high-mobility group box 1 (HMGB1) and the receptor for advanced glycation end products (RAGE) in the colon of db/db type 2 diabetic model mice and non-cancerous NCM460 colon cells. Proliferation and the expression of HMGB1 and RAGE were increased and could be partially reversed by butyrate treatment in the colon of db/db mice, which were consistent in NCM460 cells under a high glucose state. In NCM460 cells, under the normal glucose state, proliferation increased by overexpression of HMGB1. Under a high glucose state, increased expression of HMGB1 was accompanied with a release from cell nuclei into the cytoplasm and extracellular matrix. Down-regulation of HMGB1 could lower the expression of RAGE and attenuate the abnormally increased proliferation. And overexpression of HMGB1 reversed the suppressing effect of butyrate on abnormally increased proliferation. Conclusively, butyrate suppressed the abnormally increased proliferation in colonic epithelial cells under diabetic state by targeting HMGB1.

Study Type : Animal Study, In Vitro Study

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