Peroxisome proliferator-activated receptor （PPAR）, a member of nuclear hormone receptor superfamily, has 3 subtypes, namely, PPARα, PPARβ/δ, and PPARγ; among them PPARγ plays an important role in adipogenesis, lipid metabolism, insulin sensitivity, inflammation, atherosclerosis, and blood pressure controlling. This article reviews the relationship between PPARγ and diabetic nephropathy.[著者文摘]