Surgery today · 2019
Additional effects of duodenojejunal bypass on glucose metabolism in a rat model of sleeve gastrectomy.
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Takayama Hiroomi, Ohta Masayuki, Tada Kazuhiro, Watanabe Kiminori, Kawasaki Takahide, Endo Yuichi, Iwashita Yukio, Inomata Masafumi
Аннотация
PURPOSE: Sleeve gastrectomy with duodenojejunal bypass (SG-DJB) is expected to become a popular procedure in East Asia. The aim of this study was to evaluate the effects of duodenojejunal bypass on glucose metabolism in a rat model of sleeve gastrectomy (SG).
METHODS: Twenty-four Sprague-Dawley rats were divided into two groups: SG-DJB and SG alone. 6 weeks after surgery, body weight, feed intake, and metabolic parameters were measured, and oral glucose tolerance tests (OGTT) were performed. The mRNA expression of factors related to gluconeogenesis and glucose transport was evaluated using jejunal samples. Protein expression of factors with significantly different mRNA expression levels was evaluated using immunohistochemistry.
RESULTS: Body weight and metabolic parameters did not significantly differ between the two groups. During the OGTT, the SG-DJB group showed an early increase in serum insulin followed by an early decrease in blood glucose compared with the SG group. Expression levels of glucose transporter 1 (GLUT1) and sodium-glucose cotransporter 1 (SGLT1) mRNA and protein in the alimentary limb (AL) were greater in the SG-DJB group than in the SG group.
CONCLUSIONS: The additional effects of duodenojejunal bypass on glucose metabolism after SG may be related to increased expression of GLUT1 and SGLT1 in the AL.
METHODS: Twenty-four Sprague-Dawley rats were divided into two groups: SG-DJB and SG alone. 6 weeks after surgery, body weight, feed intake, and metabolic parameters were measured, and oral glucose tolerance tests (OGTT) were performed. The mRNA expression of factors related to gluconeogenesis and glucose transport was evaluated using jejunal samples. Protein expression of factors with significantly different mRNA expression levels was evaluated using immunohistochemistry.
RESULTS: Body weight and metabolic parameters did not significantly differ between the two groups. During the OGTT, the SG-DJB group showed an early increase in serum insulin followed by an early decrease in blood glucose compared with the SG group. Expression levels of glucose transporter 1 (GLUT1) and sodium-glucose cotransporter 1 (SGLT1) mRNA and protein in the alimentary limb (AL) were greater in the SG-DJB group than in the SG group.
CONCLUSIONS: The additional effects of duodenojejunal bypass on glucose metabolism after SG may be related to increased expression of GLUT1 and SGLT1 in the AL.