Cell
Volume 123, Issue 6, 16 December 2005, Pages 993-999
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Review
The Many Faces of PPARγ

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In an era marked by the increasing prevalence of obesity, diabetes, and cardiovascular disease, the nuclear receptor peroxisome proliferator-activated receptor γ (PPARγ) has emerged as a transcriptional regulator of metabolism whose activity can be modulated by direct binding of small molecules. As the master regulator of fat-cell formation, PPARγ is required for the accumulation of adipose tissue and hence contributes to obesity. Yet PPARγ ligands are clinically effective antidiabetic drugs, although side effects limit their utility. Can PPARγ be targeted with greater benefit and with less risk to patients? The answer depends upon the basic biology of PPARγ, and the possibility of selectively modulating the activity of this nuclear receptor in a tissue- and target-gene-specific manner.

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