Published in:
Open Access
01-12-2020 | Colorectal Cancer | Primary research
The fiber metabolite butyrate reduces gp130 by targeting TRAF5 in colorectal cancer cells
Authors:
Yin Yuan, Bo Li, Yanbin Kuang, Shuo Ni, Aoxiang Zhuge, Jing Yang, Longxian Lv, Silan Gu, Ren Yan, Yating Li, Kaicen Wang, Liya Yang, Xueling Zhu, Jingjing Wu, Xiaoyuan Bian, Lanjuan Li
Published in:
Cancer Cell International
|
Issue 1/2020
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Abstract
Background
Dietary fiber is effective for colorectal cancer (CRC) treatment. Interleukin-6 (IL-6) and its adaptors are potential targets for CRC therapy. Butyrate, a metabolite of dietary fiber, is a new, highly safe type of targeted drug.
Methods
In this study, Cell Counting Kit-8 cell viability and wound healing assays, western blot analysis, immunofluorescence staining, and xenograft tumor mouse models were used to evaluate the anticancer effect of butyrate and its possible mechanism in vivo and in vitro.
Results
Dietary fiber and sodium butyrate (NaB) decreased CRC burden by decreasing IL-6 receptor gp130 and blocking IL-6/JAK2/STAT3 axis activation in vitro and in vivo. Furthermore, NaB reduced the gp130 protein level by regulating its degradation rate via targeting TRAF5.
Conclusions
The fiber metabolite butyrate inhibits CRC development by reducing gp130 via TRAF5.