Cited by 154Pancreatic function and diabetesGenetic Associations and EpidemiologyDiabetes and associated disorders

The insulin gene VNTR is associated with fasting insulin levels and development of juvenile obesity

Le Stunff, Catherine, Fallin, Daniele, Schork, Nicholas J., Bougnères, Pierre·2000·Nature Genetics

Abstract

In millions of people, obesity leads to type 2 diabetes (T2D; also known as non-insulin-dependent diabetes mellitus). During the early stages of juvenile obesity, the increase of insulin secretion in proportion to accumulated fat balances insulin resistance and protects patients from hyperglycaemia. After several decades, however,beta-cell function deteriorates and T2D develops in approximately 20% of obese patients. In modern societies, obesity has thus become the leading risk factor for T2D (ref. 5). The factors that predispose obese patients to alteration of insulin secretion upon gaining weight remain unknown. To determine which genetic factors predispose obese patients to beta-cell dysfunction, and possibly T2D, we studied single-nucleotide polymorphisms (SNPs) in the region of the insulin gene (INS) among 615 obese children. We found that, in the early phase of obesity, alleles of the INS variable number of tandem repeat (VNTR) locus are associated with different effects of body fatness on insulin secretion. Young obese patients homozygous for class I VNTR alleles secrete more insulin than those with other genotypes.

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Crossref · 10.1038/82579

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  • Genetic variants associated with increased insulin secretion predict weight gain, including in a bidirectional Mendelian randomization study.

    “Genetic variants associated with increased insulin secretion predict weight gain, including in a bidirectional Mendelian randomization study (71, 72).”

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Authors
Le Stunff, C., Fallin, D., Schork, N. J., & Bougnères, P.
Affiliations
Harvard University (US)
Venue
Nature Genetics
Published
2000-12
Volume
26
Issue
4
Pages
444-446
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W1555554287
Cited by
154
References
26
Citations by year
2026: 1 · 2025: 2 · 2024: 1 · 2023: 1 · 2022: 1 · 2021: 3 · 2020: 4 · 2019: 5 · 2018: 3 · 2017: 2 · 2015: 2 · 2014: 1 · 2013: 2 · 2012: 3
FWCI
12.24
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • The Mouseion at the JAXlibrary (Jackson Laboratory) (submittedVersion)
Topics
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
Keywords
insulin gene, INS VNTR, variable number tandem repeats, youth obesity, fasting insulin, insulin secretion, type 2 diabetes, beta-cell dysfunction, single nucleotide polymorphisms, genetic susceptibility, adiposity, children
MeSH terms
Insulin Secretion, Adolescent, Alleles, Child, Diabetes Mellitus, Type 2, Fasting, Genotype, Humans, Insulin, Obesity, Obesity, Morbid, Risk Factors, Cohort Studies, Body Mass Index, Linear Models, Minisatellite Repeats, Polymorphism, Single Nucleotide

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