Gut hormone release after gastric bypass depends on the length of the biliopancreatic limb

Bárbara G. Patrício; Tiago Morais; Marta Guimarães; Simon Veedfald; Bolette Hartmann; Linda Hilsted; Jens J. Holst; Mário Nora; Mariana P. Monteiro

doi:10.1038/s41366-018-0117-y

Gut hormone release after gastric bypass depends on the length of the biliopancreatic limb

Bárbara G. Patrício, Tiago Morais, Marta Guimarães, Simon Veedfald, Bolette Hartmann, Linda Hilsted, Jens J. Holst, Mário Nora, Mariana P. Monteiro^*

^*Corresponding author for this work

Endocrinology and Metabolism

6 Citations (Scopus)

Abstract

Background/Objectives: Changes in gut hormone secretion are important for the anti-diabetic effects of bariatric surgery. Roux-en-Y gastric bypass (RYGB) with extended biliopancreatic limb (BPL) length may improve the metabolic outcomes when compared to the classical procedure. The purpose of this study was to compare the gut hormone responses to a liquid mixed meal after RYGB with one of two different BPL lengths. Subjects/Methods: Non-diabetic weight-stable individuals previously submitted to classical RYGB (n = 9; BPL length: 87.8 ± 20.5 cm) or long BPL RYGB (n = 11; BPL length: 200 cm) underwent a liquid mixed-meal tolerance test (MMTT). Blood was sampled at baseline and 15, 30, 45, 60, 90 and 120 min later for measurement of plasma glucose, enteropancreatic hormones and total bile acids (TBA). Results: Plasma glucose excursion curves were similar in the two groups. The long BPL RYGB group displayed significantly higher fasting and post-prandial GLP-1 (t = 0 min, p = 0.01 and t = 45 min, p < 0.05; tAUC: 11,205 ± 3399 vs 7889 ± 1686 pmol/L × min, p = 0.02) and neurotensin (t = 0 min, p = 0.02; t = 45 min, p < 0.05 and t = 60 min, p < 0.01; tAUC: 18,392 ± 7066 vs 11,437 ± 3658 pmol/L × min, p = 0.02) levels, while responses of GIP (t = 15 min, p < 0.01), insulin and C-peptide (t = 30 min, p < 0.001) were lower as compared to classical RYGB. There were no differences in glucagon, PP, PYY and TBA between the groups. Conclusions: RYGB with a longer BPL results in a distinctive post-prandial hormone profile with augmented GLP-1 and neurotensin responses that could be beneficial for the metabolic outcomes of the surgery.

Original language	English
Journal	International Journal of Obesity
Volume	43
Issue number	5
Pages (from-to)	1009-1018
ISSN	0307-0565
DOIs	https://doi.org/10.1038/s41366-018-0117-y
Publication status	Published - 1 May 2019

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10.1038/s41366-018-0117-y

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@article{d1b6556fd2a54c2aac86c0a6f9b259b9,

title = "Gut hormone release after gastric bypass depends on the length of the biliopancreatic limb",

abstract = "Background/Objectives: Changes in gut hormone secretion are important for the anti-diabetic effects of bariatric surgery. Roux-en-Y gastric bypass (RYGB) with extended biliopancreatic limb (BPL) length may improve the metabolic outcomes when compared to the classical procedure. The purpose of this study was to compare the gut hormone responses to a liquid mixed meal after RYGB with one of two different BPL lengths. Subjects/Methods: Non-diabetic weight-stable individuals previously submitted to classical RYGB (n = 9; BPL length: 87.8 ± 20.5 cm) or long BPL RYGB (n = 11; BPL length: 200 cm) underwent a liquid mixed-meal tolerance test (MMTT). Blood was sampled at baseline and 15, 30, 45, 60, 90 and 120 min later for measurement of plasma glucose, enteropancreatic hormones and total bile acids (TBA). Results: Plasma glucose excursion curves were similar in the two groups. The long BPL RYGB group displayed significantly higher fasting and post-prandial GLP-1 (t = 0 min, p = 0.01 and t = 45 min, p < 0.05; tAUC: 11,205 ± 3399 vs 7889 ± 1686 pmol/L × min, p = 0.02) and neurotensin (t = 0 min, p = 0.02; t = 45 min, p < 0.05 and t = 60 min, p < 0.01; tAUC: 18,392 ± 7066 vs 11,437 ± 3658 pmol/L × min, p = 0.02) levels, while responses of GIP (t = 15 min, p < 0.01), insulin and C-peptide (t = 30 min, p < 0.001) were lower as compared to classical RYGB. There were no differences in glucagon, PP, PYY and TBA between the groups. Conclusions: RYGB with a longer BPL results in a distinctive post-prandial hormone profile with augmented GLP-1 and neurotensin responses that could be beneficial for the metabolic outcomes of the surgery.",

author = "Patr{\'i}cio, {B{\'a}rbara G.} and Tiago Morais and Marta Guimar{\~a}es and Simon Veedfald and Bolette Hartmann and Linda Hilsted and Holst, {Jens J.} and M{\'a}rio Nora and Monteiro, {Mariana P.}",

year = "2019",

month = may,

day = "1",

doi = "10.1038/s41366-018-0117-y",

language = "English",

volume = "43",

pages = "1009--1018",

journal = "International Journal of Obesity",

issn = "0307-0565",

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T1 - Gut hormone release after gastric bypass depends on the length of the biliopancreatic limb

AU - Patrício, Bárbara G.

AU - Morais, Tiago

AU - Guimarães, Marta

AU - Veedfald, Simon

AU - Hartmann, Bolette

AU - Hilsted, Linda

AU - Holst, Jens J.

AU - Nora, Mário

AU - Monteiro, Mariana P.

PY - 2019/5/1

Y1 - 2019/5/1

N2 - Background/Objectives: Changes in gut hormone secretion are important for the anti-diabetic effects of bariatric surgery. Roux-en-Y gastric bypass (RYGB) with extended biliopancreatic limb (BPL) length may improve the metabolic outcomes when compared to the classical procedure. The purpose of this study was to compare the gut hormone responses to a liquid mixed meal after RYGB with one of two different BPL lengths. Subjects/Methods: Non-diabetic weight-stable individuals previously submitted to classical RYGB (n = 9; BPL length: 87.8 ± 20.5 cm) or long BPL RYGB (n = 11; BPL length: 200 cm) underwent a liquid mixed-meal tolerance test (MMTT). Blood was sampled at baseline and 15, 30, 45, 60, 90 and 120 min later for measurement of plasma glucose, enteropancreatic hormones and total bile acids (TBA). Results: Plasma glucose excursion curves were similar in the two groups. The long BPL RYGB group displayed significantly higher fasting and post-prandial GLP-1 (t = 0 min, p = 0.01 and t = 45 min, p < 0.05; tAUC: 11,205 ± 3399 vs 7889 ± 1686 pmol/L × min, p = 0.02) and neurotensin (t = 0 min, p = 0.02; t = 45 min, p < 0.05 and t = 60 min, p < 0.01; tAUC: 18,392 ± 7066 vs 11,437 ± 3658 pmol/L × min, p = 0.02) levels, while responses of GIP (t = 15 min, p < 0.01), insulin and C-peptide (t = 30 min, p < 0.001) were lower as compared to classical RYGB. There were no differences in glucagon, PP, PYY and TBA between the groups. Conclusions: RYGB with a longer BPL results in a distinctive post-prandial hormone profile with augmented GLP-1 and neurotensin responses that could be beneficial for the metabolic outcomes of the surgery.

AB - Background/Objectives: Changes in gut hormone secretion are important for the anti-diabetic effects of bariatric surgery. Roux-en-Y gastric bypass (RYGB) with extended biliopancreatic limb (BPL) length may improve the metabolic outcomes when compared to the classical procedure. The purpose of this study was to compare the gut hormone responses to a liquid mixed meal after RYGB with one of two different BPL lengths. Subjects/Methods: Non-diabetic weight-stable individuals previously submitted to classical RYGB (n = 9; BPL length: 87.8 ± 20.5 cm) or long BPL RYGB (n = 11; BPL length: 200 cm) underwent a liquid mixed-meal tolerance test (MMTT). Blood was sampled at baseline and 15, 30, 45, 60, 90 and 120 min later for measurement of plasma glucose, enteropancreatic hormones and total bile acids (TBA). Results: Plasma glucose excursion curves were similar in the two groups. The long BPL RYGB group displayed significantly higher fasting and post-prandial GLP-1 (t = 0 min, p = 0.01 and t = 45 min, p < 0.05; tAUC: 11,205 ± 3399 vs 7889 ± 1686 pmol/L × min, p = 0.02) and neurotensin (t = 0 min, p = 0.02; t = 45 min, p < 0.05 and t = 60 min, p < 0.01; tAUC: 18,392 ± 7066 vs 11,437 ± 3658 pmol/L × min, p = 0.02) levels, while responses of GIP (t = 15 min, p < 0.01), insulin and C-peptide (t = 30 min, p < 0.001) were lower as compared to classical RYGB. There were no differences in glucagon, PP, PYY and TBA between the groups. Conclusions: RYGB with a longer BPL results in a distinctive post-prandial hormone profile with augmented GLP-1 and neurotensin responses that could be beneficial for the metabolic outcomes of the surgery.

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JO - International Journal of Obesity

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ER -

Gut hormone release after gastric bypass depends on the length of the biliopancreatic limb

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