| Info. | Vol.17 - No.2 (2023.06.20) |
|---|---|
| Title | Advanced Organotypic In Vitro Model Systems for Host–Microbial Coculture |
| Authors | Raehyun Kim1 *Raehyun Kim raehyunkim@hongik.ac.kr |
| Institutions | 1Department of Biological and Chemical Engineering, Hongik University, Sejong, Republic of Korea |
| Abstract | In vitro model systems have been advanced to recapitulate important physiological features of the target organ in vivo more closely than the conventional cell line cultures on a petri dish. The advanced organotypic model systems can be used as a complementary or alternative tool for various testing and screening. Numerous data from germ-free animal studies and genome sequencings of clinical samples indicate that human microbiota is an essential part of the human body, but current in vitro model systems rarely include them, which can be one of the reasons for the discrepancy in the tissue phenotypes and outcome of therapeutic intervention between in vivo and in vitro tissues. A coculture model system with appropriate microbes and host cells may have great potential to bridge the gap between the in vitro model and the in vivo counterpart. However, successfully integrating two species in one system introduces new variables to consider and poses new challenges to overcome. This review aims to provide perspectives on the important factors that should be considered for developing organotypic bacterial coculture models. Recent advances in various organotypic bacterial coculture models are highlighted. Finally, challenges and opportunities in developing organotypic microbial coculture models are also discussed. |
| Keyword | Organotypic model systems, Microphysiological systems, Bacterial coculture, Commensal bacteria |
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