Development of an in vitro coculture device for the investigation of host–microbe interactions via integrative multiomics approaches,Biotechnology and Bioengineering

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Development of an in vitro coculture device for the investigation of host–microbe interactions via integrative multiomics approaches
Biotechnology and Bioengineering ( IF 3.8 ) Pub Date : 2021-01-09 , DOI: 10.1002/bit.27676
Won-Suk Song ₁ , Sung Gyu Shin ₂ , Sung-Hyun Jo ₂ , Jae-Seung Lee ₂ , Hyo-Jin Jeon ₂ , Ji-Eun Kwon ₂ , Ji-Hyeon Park ₂ , Sungwoo Cho ₂ , Jae Hyun Jeong ₂ , Byung-Gee Kim ₁ , Yun-Gon Kim ₂

Affiliation

The commensal gut bacterium Akkermansia muciniphila is well known as a promising probiotic candidate that improves host health and prevents diseases. However, the biological interaction of A. muciniphila with human gut epithelial cells has rarely been explored for use in biotherapeutics. Here, we developed an in vitro device that simulates the gut epithelium to elucidate the biological effects of living A. muciniphila via multiomics analysis: the Mimetic Intestinal Host–Microbe Interaction Coculture System (MIMICS). We demonstrated that both human intestinal epithelial cells (Caco‐2) and the anaerobic bacterium A. muciniphila can remain viable for 12 h after coculture in the MIMICS. The transcriptomic and proteomic changes (cell–cell junctions, immune responses, and mucin secretion) in gut epithelial cells treated with A. muciniphila closely correspond with those reported in previous in vivo studies. In addition, our proteomic and metabolomic results revealed that A. muciniphila activates glucose and lipid metabolism in gut epithelial cells, leading to an increase in ATP production. This study suggests that A. muciniphila improves metabolism for ATP production in gut epithelial cells and that the MIMICS may be an effective general tool for evaluating the effects of anaerobic bacteria on gut epithelial cells.

更新日期：2021-03-17

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