Journal
REGENERATIVE THERAPY
Volume 24, Issue -, Pages 64-73Publisher
ELSEVIER
DOI: 10.1016/j.reth.2023.06.001
Keywords
Short bowel syndrome; Intestinal failure; Enteral autonomy; Intestinal transplantation; Intestinal tissue engineering; Intestinal organoid
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Short bowel syndrome (SBS) is a rare condition characterized by malabsorption after extensive resection of the small intestine. The current treatment options are mainly supportive, but novel regenerative therapeutic approaches using intestinal organoids show promise for the future. Despite some challenges and issues, progress is being made in overcoming the obstacles in establishing the complex function and structure of the small intestine. This article discusses the current treatments for SBS, the fundamentals of the intestine and organoids, the current status of these new technologies, and future perspectives.
Short bowel syndrome (SBS) is a rare condition, the main symptom of which is malabsorption following extensive resection of the small intestine. Treatment for SBS is mainly supportive, consisting of supplementation, prevention and treatment of complications, and promotion of intestinal adaptation. While development of parenteral nutrition and drugs promoting intestinal adaptation has improved clinical outcomes, the prognosis of patients with SBS remains poor. Intestinal transplantation is the only curative therapy but its outcome is unsatisfactory. In the absence of definitive therapy, novel treatment is urgently needed. With the advent of intestinal organoids, research on the intestine has developed remarkably in recent years. Concepts such as the tissue-engineered small intestine and small intestinalized colon, which create a functional small intestine by combining organoids with other technologies, are potentially novel regenerative therapeutic approaches for SBS. Although they are still under development and there are substantial issues to be resolved, the problems that have prevented establishment of the complex function and structure of the small intestine are gradually being overcome. This review discusses the current treatments for SBS, the fundamentals of the intestine and organoids, the current status of these new technologies, and future perspectives. (c) 2023, The Japanese Society for Regenerative Medicine. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/ 4.0/).
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