Obesity surgery · 2017
Effects of Duodenal-Jejunal Exclusion and New Bilio-Pancreatic Diversion on Blood Glucose in Rats with Type 2 Diabetes Mellitus.
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Weng Shan Geng, Zhang Bin, Wang Xiaojian, Chen Hao
Аннотация
OBJECTIVE: The current study aimed to investigate the effects of duodenal-jejunal bypass (DJB), new bilio-pancreatic diversion (NBPD), and duodenal-jejunal exclusion (DJE) on blood glucose in rats with type 2 diabetes mellitus (T2DM).
METHODS: Male Sprague Dawley rats were fed with high glucose, high fat food, and intraperitoneally injected with streptozotocin to establish a T2DM animal model. T2DM rats were randomly assigned into 4 groups: a sham group (n = 8), DJB group (n = 9), NBPD group (n = 10), and DJE group (n = 10). Body weight, 2-h postprandial glucose, oral glucose tolerance, fasting serum bile acid, 2-h postprandial serum bile acid, fasting insulin, 2-h postprandial insulin (INS), fasting glucagon-like peptide-1 (GLP-1), and 2-h postprandial GLP-1 were measured before and after surgery.
RESULTS: Six weeks after surgery, the 2-h postprandial glucose in the DJB (16.1 ± 6.7 mmol/L) and NBPD (19.5 ± 5.7 mmol/L) groups decreased significantly compared to the sham group (25.8 ± 4.9 mmol/L) (P < 0.05). There was no significant difference between the DJE (25.0 ± 5.0 mmol/L) and sham groups (P > 0.05). Four weeks after surgery, fasting serum bile acid in the DJB group (60.6 ± 11.4 μmol/L) and NBPD group (54.4 ± 7.64 μmol/L) was significantly higher than that in the sham group (34.3 ± 6.98 μmol/L; P < 0.05). However, fasting GLP-1, 2-h postprandial GLP-1, and insulin remained unchanged at different time points after surgery (P > 0.05). Body weight remained stable after surgery in all 4 groups (P > 0.05).
CONCLUSION: NBPD plays a major role in the therapy of T2DM with DJB. NBPD may significantly increase fasting serum bile acid in T2DM rats, an action that may be one of the mechanisms underlying the therapeutic effects of DJB on T2DM.
METHODS: Male Sprague Dawley rats were fed with high glucose, high fat food, and intraperitoneally injected with streptozotocin to establish a T2DM animal model. T2DM rats were randomly assigned into 4 groups: a sham group (n = 8), DJB group (n = 9), NBPD group (n = 10), and DJE group (n = 10). Body weight, 2-h postprandial glucose, oral glucose tolerance, fasting serum bile acid, 2-h postprandial serum bile acid, fasting insulin, 2-h postprandial insulin (INS), fasting glucagon-like peptide-1 (GLP-1), and 2-h postprandial GLP-1 were measured before and after surgery.
RESULTS: Six weeks after surgery, the 2-h postprandial glucose in the DJB (16.1 ± 6.7 mmol/L) and NBPD (19.5 ± 5.7 mmol/L) groups decreased significantly compared to the sham group (25.8 ± 4.9 mmol/L) (P < 0.05). There was no significant difference between the DJE (25.0 ± 5.0 mmol/L) and sham groups (P > 0.05). Four weeks after surgery, fasting serum bile acid in the DJB group (60.6 ± 11.4 μmol/L) and NBPD group (54.4 ± 7.64 μmol/L) was significantly higher than that in the sham group (34.3 ± 6.98 μmol/L; P < 0.05). However, fasting GLP-1, 2-h postprandial GLP-1, and insulin remained unchanged at different time points after surgery (P > 0.05). Body weight remained stable after surgery in all 4 groups (P > 0.05).
CONCLUSION: NBPD plays a major role in the therapy of T2DM with DJB. NBPD may significantly increase fasting serum bile acid in T2DM rats, an action that may be one of the mechanisms underlying the therapeutic effects of DJB on T2DM.