Zheng, Feng Upregulation of type I collagen by TGF-beta in mesangial cells is blocked by PPARgamma activation. [electronic resource] - American journal of physiology. Renal physiology Apr 2002 - F639-48 p. digital Publication Type: Journal Article ISSN: 1931-857X Standard No.: 10.1152/ajprenal.00189.2001 doi Subjects--Topical Terms: AnimalsBiotransformation--drug effectsCollagen Type I--biosynthesisDiabetes Mellitus--metabolismEnzyme-Linked Immunosorbent AssayGlomerular Mesangium--drug effectsGlucose--pharmacologyMiceMice, Inbred C57BLReceptors, Cytoplasmic and Nuclear--biosynthesisReverse Transcriptase Polymerase Chain ReactionTranscription Factors--biosynthesisTransforming Growth Factor beta--pharmacologyUp-Regulation--drug effects