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High DPP-4 concentrations in adolescents are associated with low intact GLP-1
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Research group (Dept. of women´s and children´s health), Paediatric Inflammation Research.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Radiology. Antaros Med, SE-43183 Molndal, Sweden.
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2018 (English)In: Journal of Clinical Endocrinology and Metabolism, ISSN 0021-972X, E-ISSN 1945-7197, Vol. 103, no 8, p. 2958-2966Article in journal (Refereed) Published
Abstract [en]

Context: Dipeptidyl Peptidase-4 (DPP-4) metabolizes glucagon-like peptide-1 (GLP-1) and increased DPP4 levels are associated with obesity and visceral adiposity in adults.

Objective: Investigating DPP-4 levels in adolescents and association with, firstly, circulating intact GLP-1 levels and glucose tolerance, secondly, BMI, and, thirdly visceral, subcutaneous and liver fat compartments.

Design: Cross-sectional study, July 2012 to April 2015.

Setting: Pediatric obesity clinic, Uppsala University Hospital.

Patients and participants: Children and adolescents with obesity (n=59) and lean controls (n=21), age 8-18.

Main outcome measures: BMI SDS, fasting plasma concentrations of DPP-4, total and intact GLP-1, fasting and OGTT concentrations of glucose and visceral (VAT) and subcutaneous (SAT) adipose tissue volumes and liver fat fraction.

Results: Plasma DPP-4 decreased with age both in obese (41 ng/ml per year) and lean subjects (48 ng/ml per year). Plasma DPP-4 was higher in males both in the obesity and lean group. When adjusting for age and sex, plasma DPP-4 was negatively associated with intact GLP-1 at fasting, B=-12.3, 95% CI [-22.9, -1.8] and during OGTT, B=-12.1, 95% CI [-22.5, -1.7]. No associations were found between DPP-4 and plasma glucose measured at fasting or after a 2-hour OGTT. Plasma DPP-4 was 19% higher in the obese subjects. Among adipose tissue compartments the strongest association was with VAT, B=0.05, 95% CI [-0.02, 0.12].

Conclusions: In adolescents, high plasma DPP-4 concentrations are associated with low proportion of intact GLP-1, high BMI, young age and male sex. The observed associations are compatible with an increased metabolism of GLP-1 in childhood obesity.

Place, publisher, year, edition, pages
Endocrine Society , 2018. Vol. 103, no 8, p. 2958-2966
National Category
Endocrinology and Diabetes
Identifiers
URN: urn:nbn:se:uu:diva-354234DOI: 10.1210/jc.2018-00194ISI: 000442236900022PubMedID: 29850829OAI: oai:DiVA.org:uu-354234DiVA, id: diva2:1220949
Funder
EU, FP7, Seventh Framework Programme, 279153Swedish Diabetes Association, DIA 2016-146Ernfors Foundation, 160504Swedish Research Council, 2016-01040EXODIAB - Excellence of Diabetes Research in SwedenErik, Karin och Gösta Selanders FoundationAvailable from: 2018-06-19 Created: 2018-06-19 Last updated: 2018-11-05Bibliographically approved

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Manell, HannesHalldin, MariaKullberg, JoelAhlström, HåkanManukyan, LevonBergsten, PeterForslund, Anders

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Manell, HannesHalldin, MariaKullberg, JoelAhlström, HåkanManukyan, LevonBergsten, PeterForslund, Anders
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Department of Medical Cell BiologyDepartment of Women's and Children's HealthPaediatric Inflammation ResearchRadiology
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Journal of Clinical Endocrinology and Metabolism
Endocrinology and Diabetes

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