ArticleJournal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract
Enterotrophic effects of glucagon-like peptide 2 are enhanced by neurotensin.
Article in Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors at 1 institution in 1 country.
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Abstract
Combination therapy with enterotrophic agents may be useful in patients with the short bowel syndrome. The gut hormones neurotensin (NT) and glucagon-like peptide 2 (GLP-2) are potent enterotrophic factors when administered alone; however, their combined effects are not known. Using a GLP-2-producing tumor (STC-1), we determined whether administration of NT enhances the effect of GLP-2 on intestinal growth. Athymic mice were injected with STC-1 cells (6 x 10(6)) subcutaneously. Twenty-three days after STC-1 implantation, mice received either NT (300 microg/kg or 600 microg/kg) or saline solution (control) subcutaneously three times a day for 6 days. Two groups of tumor-free mice received either saline or NT for 6 days. At sacrifice, jejunum and ileum were collected, weighed, and analyzed for DNA and protein content. In the jejunum, NT combined with GLP-2 (from STC-1) increased weight, protein content (markers of mucosal hypertrophy), and DNA content (a marker of mucosal hyperplasia), compared to either NT or GLP-2 alone. In the ileum, the combination of NT and GLP-2 significantly increased weight and/or protein content compared to NT or GLP-2 alone. Administration of NT enhances the enterotrophic effects of GLP-2, augmenting hypertrophy of the entire small bowel and hyperplasia of the jejunum. The combination of NT and GLP-2 may be useful to enhance intestinal growth in patients with the short bowel syndrome.
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