An organoid-based organ-repurposing approach to treat short bowel syndrome

Shinya Sugimoto, Eiji Kobayashi, Masayuki Fujii, Yuki Ohta, Kazuya Arai, Mami Matano, Keiko Ishikawa, Kentaro Miyamoto, Kohta Toshimitsu, Sirirat Takahashi, Kosaku Nanki, Yoji Hakamata, Takanori Kanai, Toshiro Sato

研究成果: Article査読

7 被引用数 (Scopus)

抄録

The small intestine is the main organ for nutrient absorption, and its extensive resection leads to malabsorption and wasting conditions referred to as short bowel syndrome (SBS). Organoid technology enables an efficient expansion of intestinal epithelium tissue in vitro1, but reconstruction of the whole small intestine, including the complex lymphovascular system, has remained challenging2. Here we generate a functional small intestinalized colon (SIC) by replacing the native colonic epithelium with ileum-derived organoids. We first find that xenotransplanted human ileum organoids maintain their regional identity and form nascent villus structures in the mouse colon. In vitro culture of an organoid monolayer further reveals an essential role for luminal mechanistic flow in the formation of villi. We then develop a rat SIC model by repositioning the SIC at the ileocaecal junction, where the epithelium is exposed to a constant luminal stream of intestinal juice. This anatomical relocation provides the SIC with organ structures of the small intestine, including intact vasculature and innervation, villous structures, and the lacteal (a fat-absorbing lymphatic structure specific to the small intestine). The SIC has absorptive functions and markedly ameliorates intestinal failure in a rat model of SBS, whereas transplantation of colon organoids instead of ileum organoids invariably leads to mortality. These data provide a proof of principle for the use of intestinal organoids for regenerative purposes, and offer a feasible strategy for SBS treatment.

本文言語English
ページ(範囲)99-104
ページ数6
ジャーナルNature
592
7852
DOI
出版ステータスPublished - 2021 4 1

ASJC Scopus subject areas

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