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Ileal Interposition in Rats with Experimental Type 2 Like Diabetes Improves Glycemic Control Independently of Glucose Absorption (CROSBI ID 219444)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Jurowich, Christian Ferdinand ; Otto, Christoph ; Rikkala, Prashanth Reddy ; Wagner, Nicole ; Vrhovac, Ivana ; Sabolić, Ivan ; Germer, Christoph-Thomas ; Koepsell, Hermann Ileal Interposition in Rats with Experimental Type 2 Like Diabetes Improves Glycemic Control Independently of Glucose Absorption // Journal of Diabetes Research, (2015), 490365-1-490365-14. doi: 10.1155/2015/490365

Podaci o odgovornosti

Jurowich, Christian Ferdinand ; Otto, Christoph ; Rikkala, Prashanth Reddy ; Wagner, Nicole ; Vrhovac, Ivana ; Sabolić, Ivan ; Germer, Christoph-Thomas ; Koepsell, Hermann

engleski

Ileal Interposition in Rats with Experimental Type 2 Like Diabetes Improves Glycemic Control Independently of Glucose Absorption

Bariatric operations in obese patients with type 2 diabetes often improve diabetes before weight loss is observed. In patients mainly Roux-en-Y-gastric bypass with partial stomach resection is performed. Duodenojejunal bypass (DJB) and ileal interposition (IIP) are employed in animal experiments. Due to increased glucose exposition of L-cells located in distal ileum, all bariatric surgery procedures lead to higher secretion of antidiabetic glucagon like peptide-1 (GLP-1) after glucose gavage. After DJB also downregulation of Na+-D-glucose cotransporter SGLT1 was observed. This suggested a direct contribution of decreased glucose absorption to the antidiabetic effect of bariatric surgery. To investigate whether glucose absorption is also decreased after IIP, we induced diabetes with decreased glucose tolerance and insulin sensitivity in male rats and investigated effects of IIP on diabetes and SGLT1. After IIP, we observed weight-independent improvement of glucose tolerance, increased insulin sensitivity, and increased plasma GLP-1 after glucose gavage. The interposed ileum was increased in diameter and showed increased length of villi, hyperplasia of the epithelial layer, and increased number of L-cells. The amount of SGLT1-mediated glucose uptake in interposed ileum was increased 2-fold reaching the same level as in jejunum. Thus, improvement of glycemic control by bariatric surgery does not require decreased glucose absorption.

diabetes; glucose absorption; rats

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Podaci o izdanju

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2015.

490365-1-490365-14

objavljeno

2314-6745

10.1155/2015/490365

Povezanost rada

Temeljne medicinske znanosti, Biologija

Poveznice
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