Butyrate is a typical short chain fatty acid produced by gut microbiota of which the dysmetabolism has been consistently associated with colorectal diseases. However, whether butyrate affects metastatic colorectal cancer is not clear. In this study we investigated in vitro the effect of butyrate on motility, a significant metastatic factor of colorectal cancer cells and explored the potential mechanism. By using wound healing and transwell-based invasion models, we demonstrated that pretreatment of butyrate significantly inhibited motility of HCT116, HT29, LOVO and HCT8 cells, this activity was further attributed to deactivation of Akt1 and ERK1/2. Suberanilohydroxamic acid (SAHA), another HDAC inhibitor, mimicked the inhibitory effect of butyrate on cell motility and deactivation of Akt/ERK. Furthermore, by silencing of HDAC3 with siRNA, we confirmed dependence of butyrate's effect on HDAC3, the similar reduced cell motility observed under HDAC3 silencing also indicates the significance of HDAC itself in cell motility. In conclusion, we confirmed the HDAC3-relied activity of butyrate on inhibiting motility of colorectal cancer cells via deactivating Akt/ERK signaling. Our data indicate that modulating butyrate metabolism is an effective therapeutic strategy of metastatic colorectal cancer; and HDAC3 might be a novel target for management of colorectal cancer metastasis.
Butyrate suppresses motility of colorectal cancer cells via deactivating Akt/ERK signaling in histone deacetylase dependent manner.
Qing-ran Li,Chujie Ding,Tuo Meng,Wenjie Lu,Wen-yue Liu,H. Hao,L. Cao
Published 2017 in Journal of Pharmacological Sciences
ABSTRACT
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- Publication year
2017
- Venue
Journal of Pharmacological Sciences
- Publication date
2017-12-01
- Fields of study
Biology, Medicine, Environmental Science
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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