Role of peroxisome proliferator-activated receptor α in disease of pancreatic β cells

Yan Ting Zhou, Michio Shimabukuro, May-Yun Wang, Young H Lee, Moritake Higa, Joseph Leslie Milburn Jr., Christopher B. Newgard, Roger H Unger

Research output: Contribution to journalArticle

160 Citations (Scopus)

Abstract

Expression of peroxisome proliferator-activated receptor α (PPARα) and enzymes of fatty acid (FA) oxidation is markedly reduced in the fat-laden, dysfunctional islets of obese, prediabetic Zucker diabetic fatty (fa/fa) rats with mutated leptin receptors (OB-R). Leptin, PPARα/retinoid x receptor ligands, and FA all up-regulate PPARα and enzymes of FA oxidation and stimulate [3H]-palmitate oxidation in normal islets but not in islets from fa/fa rats. Overexpression of normal OB-R in islets of fa/fa rats corrects all of the foregoing abnormalities and reverses the diabetic phenotype. PPARα is a OB-R-dependent factor required for normal fat homeostasis in islet cells.

Original languageEnglish (US)
Pages (from-to)8898-8903
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume95
Issue number15
DOIs
StatePublished - Jul 21 1998

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Pancreatic Diseases
Peroxisome Proliferator-Activated Receptors
Fatty Acids
R388
Fats
Leptin Receptors
Palmitates
Retinoids
Enzymes
Leptin
Islets of Langerhans
Homeostasis
Up-Regulation
Ligands
Phenotype

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

Role of peroxisome proliferator-activated receptor α in disease of pancreatic β cells. / Zhou, Yan Ting; Shimabukuro, Michio; Wang, May-Yun; Lee, Young H; Higa, Moritake; Milburn Jr., Joseph Leslie; Newgard, Christopher B.; Unger, Roger H.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 95, No. 15, 21.07.1998, p. 8898-8903.

Research output: Contribution to journalArticle

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