Sulfonylureas and glinides exhibit peroxisome proliferator-activated receptor gamma activity: A combined virtual screening and biological assay approach

M. Scarsi, M. Podvinec, A. Roth, H. Hug, A.H. Kersten, H. Albrecht, T. Schwede, U.A. Meyer, C. Rucker

Research output: Contribution to journalArticleAcademicpeer-review

45 Citations (Scopus)

Abstract

Most drugs currently employed in the treatment of type 2 diabetes either target the sulfonylurea receptor stimulating insulin release (sulfonylureas, glinides), or target the peroxisome proliferator-activated receptor (PPAR) improving insulin resistance (thiazolidinediones). Our work shows that sulfonylureas and glinides additionally bind to PPAR and exhibit PPAR agonistic activity. This activity was predicted in silico by virtual screening and confirmed in vitro in a binding assay, a transactivation assay, and by measuring the expression of PPAR target genes. Among the measured compounds, gliquidone and glipizide (two sulfonylureas), as well as nateglinide (a glinide), exhibit PPAR agonistic activity at concentrations comparable with those reached under pharmacological treatment. The most active of these compounds, gliquidone, is shown to be as potent as pioglitazone at inducing PPAR target gene expression. This dual mode of action of sulfonylureas and glinides may open new perspectives for the molecular pharmacology of antidiabetic drugs, because it provides evidence that drugs can be designed that target both the sulfonylurea receptor and PPAR. Targeting both receptors could increase pancreatic insulin secretion and improve insulin resistance. Glinides, sulfonylureas, and other acidified sulfonamides may be promising leads in the development of new PPAR agonists. In addition, we provide a unified concept of the PPAR binding ability of seemingly disparate compound classes.
Original languageEnglish
Pages (from-to)398-406
JournalMolecular pharmacology
Volume71
Issue number2
DOIs
Publication statusPublished - 2007

Keywords

  • type-2 diabetes-mellitus
  • ppar-gamma
  • ligand-binding
  • clinical pharmacokinetics
  • alpha/gamma agonist
  • insulin-resistance
  • nuclear receptors
  • agents
  • acid
  • nateglinide

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