Journal
BIOMATERIALS
Volume 240, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biomaterials.2020.119832
Keywords
Gastrointestinal tract; Organoid; Tissue engineering; Stem cells; Biofabrication; 3D bioprinting
Funding
- Mary & Dick Holland Regenerative Medicine Program start-up grant
- Mary & Dick Holland Regenerative Medicine Program pilot project grant
- Nebraska Research Initiative
- Nebraska Center for Molecular Target Discovery and Development [P20GM121316]
- Fred & Pamela Buffett Cancer Center Support Grant [P30CA036727]
- Natural Science Foundation of Liaoning Province [2019MS-370]
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The small intestine (SI) is difficult to regenerate or reconstruct due to its complex structure and functions. Recent developments in stem cell research, advanced engineering technologies, and regenerative medicine strategies bring new hope of solving clinical problems of the SI. This review will first summarize the structure, function, development, cell types, and matrix components of the SI. Then, the major cell sources for SI regeneration are introduced, and state-of-the-art biofabrication technologies for generating engineered SI tissues or models are overviewed. Furthermore, in vitro models and in vivo transplantation, based on intestinal organoids and tissue engineering, are highlighted. Finally, current challenges and future perspectives are discussed to help direct future applications for SI repair and regeneration.
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