An antidiabetic thiazolidinedione is a high affinity ligand for peroxisome proliferator-activated receptor γ (PPARγ)

Jürgen M. Lehmann, Linda B. Moore, Tracey A. Smith-Oliver, William O. Wilkison, Timothy M. Willson, Steven A. Kliewer

Research output: Contribution to journalArticle

3297 Scopus citations

Abstract

Thiazolidinedione derivatives are antidiabetic agents that increase the insulin sensitivity of target tissues in animal models of non-insulin- dependent diabetes mellitus. In vitro, thiazolidinediones promote adipocyte differentiation of preadipocyte and mesenchymal stem cell lines; however, the molecular basis for this adipogenic effect has remained unclear. Here, we report that thiazolidinediones are potent and selective activators of peroxisome proliferator-activated receptor γ (PPARγ), a member of the nuclear receptor superfamily recently shown to function in adipogenesis. The most potent of these agents, BRL49653, binds to PPARγ with a K(d) of approximately 40 nM. Treatment of pluripotent C3H10T1/2 stem cells with BRL49653 results in efficient differentiation to adipocytes. These data are the first demonstration of a high affinity PPAR ligand and provide strong evidence that PPARγ is a molecular target for the adipogenic effects of thiazolidinediones. Furthermore, these data raise the intriguing possibility that PPARγ is a target for the therapeutic actions of this class of compounds.

Original languageEnglish (US)
Pages (from-to)12953-12956
Number of pages4
JournalJournal of Biological Chemistry
Volume270
Issue number22
DOIs
StatePublished - Jun 2 1995

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

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