Cited by 1,368Peroxisome Proliferator-Activated ReceptorsMetabolism, Diabetes, and CancerAdipokines, Inflammation, and Metabolic Diseases

Dominant negative mutations in human PPARγ associated with severe insulin resistance, diabetes mellitus and hypertension

Barroso, I., Gurnell, M., Crowley, V. E. F., Agostini, M., Schwabe, J. W., Soos, M. A., Maslen, G. LI, Williams, T. D. M. +4 more·1999·Nature

Abstract

Thiazolidinediones are a new class of antidiabetic agent that improve insulin sensitivity and reduce plasma glucose and blood pressure in subjects with type 2 diabetes. Although these agents can bind and activate an orphan nuclear receptor, peroxisome proliferator-activated receptor gamma (PPARgamma), there is no direct evidence to conclusively implicate this receptor in the regulation of mammalian glucose homeostasis. Here we report two different heterozygous mutations in the ligand-binding domain of PPARgamma in three subjects with severe insulin resistance. In the PPARgamma crystal structure, the mutations destabilize helix 12 which mediates transactivation. Consistent with this, both receptor mutants are markedly transcriptionally impaired and, moreover, are able to inhibit the action of coexpressed wild-type PPARgamma in a dominant negative manner. In addition to insulin resistance, all three subjects developed type 2 diabetes mellitus and hypertension at an unusually early age. Our findings represent the first germline loss-of-function mutations in PPARgamma and provide compelling genetic evidence that this receptor is important in the control of insulin sensitivity, glucose homeostasis and blood pressure in man.

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Crossref · 10.1038/47254

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Authors
Barroso, I., Gurnell, M., Crowley, V. E. F., Agostini, M., Schwabe, J. W., Soos, M. A., Maslen, G. L., Williams, T. D. M., Lewis, H., Schafer, A. J., Chatterjee, V. K. K., & O'Rahilly, S.
Affiliations
  • University of Cambridge (GB)
  • Prince Philip Hospital (GB)
  • Selly Oak Hospital (GB)
Venue
Nature
Published
1999-12
Volume
402
Issue
6764
Pages
880-883
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1488559297
Cited by
1,368
References
31
Citations by year
2026: 18 · 2025: 20 · 2024: 23 · 2023: 24 · 2022: 35 · 2021: 38 · 2020: 41 · 2019: 39 · 2018: 38 · 2017: 47 · 2016: 47 · 2015: 46 · 2014: 44 · 2013: 43 · 2012: 52
FWCI
24.46
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Leicester Research Archive (University of Leicester) (submittedVersion)
Funders
Wellcome Trust
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
PPARγ, dominant negative mutation, insulin resistance, type 2 diabetes, hypertension, thiazolidinediones, ligand-binding domain, helix 12, glucose homeostasis, nuclear receptors, transcriptional activation
MeSH terms
Rosiglitazone, Adult, Animals, Benzoxazoles, Binding Sites, Diabetes Mellitus, Type 2, Female, Genes, Dominant, Humans, Hypertension, Insulin Resistance, Ligands, Male, Middle Aged, Models, Molecular, Mutation, Nicotinic Acids, Phenylpropionates, Protein Conformation, Tetrahydronaphthalenes, Thiazoles, Transcription Factors, Receptors, Cytoplasmic and Nuclear, Receptors, Retinoic Acid, Thiazolidinediones, Retinoid X Receptors, Mice

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