MATRIX PROTEIN-SYNTHESIS BY GLOMERULAR MESANGIAL CELLS IN CULTURE - EFFECTS OF TRANSFORMING GROWTH-FACTOR-BETA (TGF-BETA) AND PLATELET-DERIVED GROWTH-FACTOR (PDGF) ON FIBRONECTIN AND COLLAGEN TYPE-IV MESSENGER-RNA

被引：57

作者：

HANSCH, GM

WAGNER, C

BURGER, A

DONG, WJ

STAEHLER, G

STOECK, M

机构：

[1] UNIV HEIDELBERG, CHIRURG KLIN, D-69120 HEIDELBERG, GERMANY

[2] DEUTSCH KREBSFORSCHUNGSZENTRUM, D-69120 HEIDELBERG, GERMANY

来源：

JOURNAL OF CELLULAR PHYSIOLOGY | 1995年 / 163卷 / 03期

关键词：

D O I：

10.1002/jcp.1041630304

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

The pathogenesis of glomerular scarring is multifactional; recent evidence suggests that transforming growth factor beta (TGF beta), a pleiotropic cicatricial mediator, may promote mesangial sclerosis by enhancing the production of extracellular matrix proteins. We studied the effect of TGF beta 1 and TFG beta 2 on collagen type IV and fibronectin (FN) synthesis in human glomerular mesangial cells in culture (CMC). Two hours after addition of TGF beta, an up to twofold increase in abundance of collagen type IV mRNA was found, which further increased up to fivefold within 24 h. Addition of cycloheximide did not inhibit the TGF beta effect, but caused by itself an up to twofold increase in the abundance of collagen type IV mRNA after 2 h. Together with collagen mRNA, the mRNA for FN and for platelet-derived growth factor (PDGF) was also enhanced. PDGF was found to enhance abundance of the collagen type IV and fibronectin mRNA in GMC. A neutralizing antibody to PDGF or a PDGF-antisense oligonucleotide partly inhibited the TGF beta-induced increase of collagen type IV mRNA, suggesting that TGF beta can affect the collagen type IV synthesis not only directly but also indirectly via the synthesis of PDGF. (C) 1995 Wilev-Liss, Inc.

引用

页码：451 / 457

页数：7

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