Cited by 89Diabetes, Cardiovascular Risks, and LipoproteinsDiabetes Treatment and ManagementDiabetes Management and Research

Non-obese patients with type 2 diabetes and prediabetic subjects: distinct phenotypes requiring special diabetes treatment and (or) prevention?

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Vaag, Allan, Lund, Søren S.·2007·Applied Physiology, Nutrition, and Metabolism

Abstract

A major reason for the increased incidence of type 2 diabetes mellitus (T2DM) across the world is the so-called obesity epidemic, which occurs both in developed and developing countries. However, a large proportion of patients with T2DM in European and, in particular, Asian countries are non-obese. The non-obese T2DM phenotype is characterized by disproportionally reduced insulin secretion and less insulin resistance, as compared with obese patients with T2DM. Importantly, non-obese patients with T2DM have a similar increased risk of cardiovascular disease as obese T2DM patients. The risk of T2DM in non-obese patients is influenced by genetics as well as factors operating in utero indicated by low birth weight. Furthermore, this phenotype is slightly more prevalent among patients with latent autoimmune diabetes in adults, characterized by positive anti-GAD antibodies. The recently identified TCF7L2 gene polymorphism resulting in low insulin secretion influences the risk of T2DM in both obese and non-obese subjects, but is relatively more prevalent among non-obese patients with T2DM. Furthermore, the Pro12Ala polymorphism of the PPARγ gene influencing insulin action increases the risk of T2DM in non-obese subjects. Despite a “normal” body mass index, non-obese patients with T2DM are generally characterized by a higher degree of both abdominal and total fat masses (adiposity). Prevention of T2DM with lifestyle intervention is at least as effective in non-obese as in obese prediabetic subjects, and recent data suggest that metformin treatment targeting insulin resistance and non-glycemic cardiovascular disease risk factors is as beneficial in non-obese as in obese patients with T2DM. Nevertheless, non-obese patients with T2DM may progress to insulin treatment more rapidly as compared with obese patients with T2DM.

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  1. Fernandez-Castaner, M., Biarnes, J., Camps, I., Ripolles, J., Gomez, N., and Soler, J. 1996. Beta-cell dysfunction in first-degree rela- tives of patients with non-insulin-dependent diabetes mellitus. Dia- bet. Med. 13: 953-959. doi:10.1002/(SICI)1096-9136(199611) 13:11<953::AID-DIA257>3.0.CO;2-V. PMID:8946153. · DOI
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Authors
Vaag, A., & Lund, S. S.
Affiliations
Lund University (SE)
Venue
Applied Physiology, Nutrition, and Metabolism
Published
2007-10
Volume
32
Issue
5
Pages
912-920
ISSN
  • 1715-5312 (ISSN-L)
  • 1715-5320
OpenAlex
W2158286241
Cited by
89
References
51
Citations by year
2026: 3 · 2025: 8 · 2024: 5 · 2023: 8 · 2022: 6 · 2021: 4 · 2020: 5 · 2019: 10 · 2018: 9 · 2017: 8 · 2016: 6 · 2015: 5 · 2014: 6 · 2013: 3
FWCI
0.49
Type
journal article
Language
en
Open access
Locations
  • Applied Physiology, Nutrition, and Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Lund University Publications (Lund University) (submittedVersion)
Funders
  • European Commission
  • Novo Nordisk
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
Keywords
type 2 diabetes, non-obese patients, prediabetes, insulin secretion, insulin resistance, cardiovascular risk, low birth weight, latent autoimmune diabetes in adults, glutamic acid decarboxylase antibodies, adiposity, lifestyle intervention, metformin, insulin therapy, genetic risk factors
MeSH terms
Diabetes Mellitus, Type 2, Humans, Hypoglycemic Agents, Phenotype, Prediabetic State

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