Β-Cell Function Improvement after Biliopancreatic Diversion in Subjects with Type 2 Diabetes and Morbid Obesity

Lucia Briatore, Barbara Salani, Gabriella Andraghetti, Davide Maggi, Gian Franco Adami, Nicola Scopinaro, Renzo Cordera

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

In subjects with obesity and type 2 diabetes mellitus (T2DM), biliopancreatic diversion (BPD) improves glucose stimulated insulin secretion, whereas the effects on other secretion mechanisms are still unknown. Our objective was to evaluate the early effects of BPD on nonglucose-stimulated insulin secretion. In 16 morbid obese subjects (9 with T2DM and 7 with normal fasting glucose (NFG)), we measured insulin secretion after glucose-dependent arginine stimulation test and after intravenous glucose tolerance test (IVGTT) before and 1 month after BPD. After surgery the mean weight lost was 13% in both groups. The acute insulin response during IVGTT was improved in T2DM after BDP (from 55 ± 10 to 277 ± 91pmol/l, P = 0.03). A reduction of insulin response to arginine was observed in NFG, whereas opposite was found in T2DM. In particular, acute insulin response to arginine at basal glucose concentrations (AIRbasal) was reduced but insulin response at 14mmol/l of plasma glucose (AIR14) was increased. Therefore, after BPD any statistical difference in AIR 14 between NFG and T2DM disappeared (1,032 123 for NFG and 665 236pmol/l for T2DM, P = ns). The same was observed for SlopeAIR, a measure of glucose potentiation, reduced in T2DM before BPD but increased after surgery, when no statistically significant difference resulted compared with NFG (Slope AIR after BPD: 78 ± 11 in NFG and 56 ± 18pmol/l in T2DM, P = ns). In conclusion, in obese T2DM subjects 1 month after BPD we observed a great improvement of both glucose-and nonglucose-stimulated insulin secretions. The mechanisms by which BDP improve insulin secretion are still unknown.

Original languageEnglish
Pages (from-to)932-936
Number of pages5
JournalObesity
Volume18
Issue number5
DOIs
Publication statusPublished - May 2010

Fingerprint

Biliopancreatic Diversion
Morbid Obesity
Type 2 Diabetes Mellitus
Glucose
Insulin
Fasting
Arginine
Glucose Tolerance Test

ASJC Scopus subject areas

  • Endocrinology
  • Medicine (miscellaneous)
  • Endocrinology, Diabetes and Metabolism
  • Nutrition and Dietetics

Cite this

Briatore, L., Salani, B., Andraghetti, G., Maggi, D., Adami, G. F., Scopinaro, N., & Cordera, R. (2010). Β-Cell Function Improvement after Biliopancreatic Diversion in Subjects with Type 2 Diabetes and Morbid Obesity. Obesity, 18(5), 932-936. https://doi.org/10.1038/oby.2010.28

Β-Cell Function Improvement after Biliopancreatic Diversion in Subjects with Type 2 Diabetes and Morbid Obesity. / Briatore, Lucia; Salani, Barbara; Andraghetti, Gabriella; Maggi, Davide; Adami, Gian Franco; Scopinaro, Nicola; Cordera, Renzo.

In: Obesity, Vol. 18, No. 5, 05.2010, p. 932-936.

Research output: Contribution to journalArticle

Briatore, L, Salani, B, Andraghetti, G, Maggi, D, Adami, GF, Scopinaro, N & Cordera, R 2010, 'Β-Cell Function Improvement after Biliopancreatic Diversion in Subjects with Type 2 Diabetes and Morbid Obesity', Obesity, vol. 18, no. 5, pp. 932-936. https://doi.org/10.1038/oby.2010.28
Briatore L, Salani B, Andraghetti G, Maggi D, Adami GF, Scopinaro N et al. Β-Cell Function Improvement after Biliopancreatic Diversion in Subjects with Type 2 Diabetes and Morbid Obesity. Obesity. 2010 May;18(5):932-936. https://doi.org/10.1038/oby.2010.28
Briatore, Lucia ; Salani, Barbara ; Andraghetti, Gabriella ; Maggi, Davide ; Adami, Gian Franco ; Scopinaro, Nicola ; Cordera, Renzo. / Β-Cell Function Improvement after Biliopancreatic Diversion in Subjects with Type 2 Diabetes and Morbid Obesity. In: Obesity. 2010 ; Vol. 18, No. 5. pp. 932-936.
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