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Influence of Growth Hormone and Glutamine on Intestinal Stem Cells: A Narrative Review

1
Department of Surgery, Far Eastern Memorial Hospital, Pan-Chiao, New Taipei 220, Taiwan
2
Department of Chemical Engineering and Materials Science, Yuan Ze University, Chung-Li, Taoyuan 320, Taiwan
3
Department of Surgery, National Taiwan University Hospital, Taipei 100, Taiwan
*
Author to whom correspondence should be addressed.
Nutrients 2019, 11(8), 1941; https://doi.org/10.3390/nu11081941
Received: 14 July 2019 / Revised: 14 August 2019 / Accepted: 15 August 2019 / Published: 17 August 2019
(This article belongs to the Special Issue Nutritional Management of Gastrointestinal Diseases and Disorders)
Growth hormone (GH) and glutamine (Gln) stimulate the growth of the intestinal mucosa. GH activates the proliferation of intestinal stem cells (ISCs), enhances the formation of crypt organoids, increases ISC stemness markers in the intestinal organoids, and drives the differentiation of ISCs into Paneth cells and enterocytes. Gln enhances the proliferation of ISCs and increases crypt organoid formation; however, it mainly acts on the post-proliferation activity of ISCs to maintain the stability of crypt organoids and the intestinal mucosa, as well as to stimulate the differentiation of ISCs into goblet cells and possibly Paneth cells and enteroendocrine cells. Since GH and Gln have differential effects on ISCs. Their use in combination may have synergistic effects on ISCs. In this review, we summarize the evidence of the actions of GH and/or Gln on crypt cells and ISCs in the literature. Overall, most studies demonstrated that GH and Gln in combination exerted synergistic effects to activate the proliferation of crypt cells and ISCs and enhance crypt organoid formation and mucosal growth. This treatment influenced the proliferation of ISCs to a similar degree as GH treatment alone and the differentiation of ISCs to a similar degree as Gln treatment alone. View Full-Text
Keywords: growth hormone; glutamine; proliferation; differentiation; intestinal stem cells growth hormone; glutamine; proliferation; differentiation; intestinal stem cells
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MDPI and ACS Style

Chen, Y.; Tsai, Y.-H.; Tseng, B.-J.; Tseng, S.-H. Influence of Growth Hormone and Glutamine on Intestinal Stem Cells: A Narrative Review. Nutrients 2019, 11, 1941.

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