論文

査読有り 国際誌
2022年7月

Gut-liver-axis microphysiological system for studying cellular fluidic shear stress and inter-tissue interaction

Biomicrofluidics
  • Jiandong Yang
  • ,
  • Satoshi Imamura
  • ,
  • Yoshikazu Hirai
  • ,
  • Toshiyuki Tsuchiya
  • ,
  • Osamu Tabata
  • ,
  • Ken-ichiro Kamei

16
4
開始ページ
044113
終了ページ
044113
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1063/5.0088232
出版者・発行元
AIP Publishing

To clarify the physiological and pathological roles of gut-liver-axis (GLA) in the human body, a GLA microphysiological system (GLA-MPS) holds great potential. However, in current GLA-MPSs, the importance of a physiologically relevant flow for gut and liver cells' cultivation is not fully addressed. In addition, the integration of individual organ perfusion, circulation flow, and organ tissue functions in a single device has not been achieved. Here, we introduce a GLA-MPS by integrating two cell-culture chambers with individually applied perfusion flows and a circulation channel with an on-chip pneumatic micropump under cell-culture chambers via a porous membrane for interconnecting them. We analyzed the fluid shear stress (FSS) with computational fluid dynamics simulations and confirmed that the physiologically relevant FSS could be applied to the gut (Caco-2) (8 × 10−3 dyn cm−2) and liver (HepG2) cells (1.2 × 10−7 dyn cm−2). Under the physiologically relevant flow, the Caco-2 and HepG2 cells in the GLA-MPS maintained a cell survival rate of 95% and 92%, respectively. Furthermore, the expression of functional proteins such as zonula occludens 1 (in Caco-2) and albumin (in HepG2) was enhanced. To demonstrate the GLA interaction, the inflammatory bowel disease was recapitulated by applying lipopolysaccharide for only Caco-2 cells. The inflammatory proteins, such as inducible nitric oxide synthase, were induced in Caco-2 and HepG2 cells. The presented GLA-MPS can be adapted as an advanced in vitro model in various applications for disease modeling associated with inter-tissue interactions, such as inflammatory disease.

リンク情報
DOI
https://doi.org/10.1063/5.0088232
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/36039115
PubMed Central
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9420048
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000860784300001&DestApp=WOS_CPL
URL
https://aip.scitation.org/doi/pdf/10.1063/5.0088232
ID情報
  • DOI : 10.1063/5.0088232
  • eISSN : 1932-1058
  • ORCIDのPut Code : 107516032
  • PubMed ID : 36039115
  • PubMed Central 記事ID : PMC9420048
  • Web of Science ID : WOS:000860784300001

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