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https://hdl.handle.net/2440/82637
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dc.contributor.author | Steinert, Robert | en |
dc.contributor.author | Peterli, Ralph | en |
dc.contributor.author | Keller, Sylvia | en |
dc.contributor.author | Meyer-Gerspach, Anne C. | en |
dc.contributor.author | Drewe, Jurgen | en |
dc.contributor.author | Peters, Thomas | en |
dc.contributor.author | Beglinger, Christoph | en |
dc.date.issued | 2013 | en |
dc.identifier.citation | Obesity, 2013; 21(12):E660-E668 | en |
dc.identifier.issn | 1930-7381 | en |
dc.identifier.uri | http://hdl.handle.net/2440/82637 | - |
dc.description.abstract | OBJECTIVE Increased delivery of bile acid salts (BA) to distal L-cells and altered TGR5 receptor activation may contribute to the early and substantial increases in gut peptide secretion seen after bariatric surgery. To further elucidate a potential role of BA in the secretion of GLP-1 and PYY, we analyzed plasma BA concentrations in 14 morbidly obese patients undergoing gastric bypass or sleeve gastrectomy in a prospective, randomized 1-year trial. DESIGN AND METHODS Patients received a standard test meal and blood was collected before and after eating, prior to, and 1 week, 3 months, and 12 months after surgery. RESULTS Pre-surgery, basal BA concentrations were significantly lower in bariatric patients than in healthy controls. One year post-surgery, bariatric patients expressed variably increased BA concentrations (gastric bypass patients ∼2 fold increase, P ≤ 0.05). However, whereas in both patient groups, marked increases in GLP-1 and PYY and improved glycemic control was seen already 1 week and 3 months post-surgery, changes in plasma BA followed a different pattern: basal and postprandial plasma BA concentrations increased much slower, more progressively with significant increases only 1-year post-surgery. CONCLUSIONS Based on these findings, BA do not appear to be key mediators of the early increase in GLP-1 and PYY response in post-bariatric patients. | en |
dc.description.statementofresponsibility | Robert E. Steinert, Ralph Peterli, Sylvia Keller, Anne C. Meyer-Gerspach, Jürgen Drewe, Thomas Peters and Christoph Beglinger | en |
dc.language.iso | en | en |
dc.publisher | Nature Publishing Group | en |
dc.rights | © 2013 The Obesity Society | en |
dc.title | Bile acids and gut peptide secretion after bariatric surgery: A 1-year prospective randomized pilot trial | en |
dc.type | Journal article | en |
dc.contributor.school | School of Medicine : Medicine | en |
dc.identifier.doi | 10.1002/oby.20522 | en |
Appears in Collections: | Medicine publications |
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