THE MODULATION OF COLLAGEN-SYNTHESIS IN CULTURED ARTERIAL SMOOTH-MUSCLE CELLS BY PLATELET-DERIVED GROWTH-FACTOR

被引：9
作者：
OKADA, Y
KATSUDA, S
MATSUI, Y
NAKANISHI, I
机构：
[1] Department of Pathology, School of Medicine, Kanazawa University, Kanazawa, Ishikawa, 920
来源：
CELL BIOLOGY INTERNATIONAL REPORTS | 1992年 / 16卷 / 10期
关键词：
D O I：
10.1016/S0309-1651(06)80054-8
中图分类号：
Q2 [细胞生物学];
学科分类号：
071009 ; 090102 ;
摘要：
Changes on collagen synthetic activity of cultured arterial smooth muscle cells of rabbits induced with purified platelet-derived growth factor (PDGF) were examined. PDGF treatment (final concentration was 5 units/ml) decreased the total collagen synthesis per cell, while the rate of collagen synthesis against total protein synthesis was raised by PDGF. Type analysis of collagen revealed substantial reduction of type IV collagen and relative increase of type V collagen in the PDGF-treated cells. By immunofluorescence study using anti-type IV collagen antibody, the lacework fluorescence was decreased with PDGF supplement. These findings indicate that PDGF induces the decrease of type IV collagen synthesis with the simultaneous diminution of basement membrane formation probably in association with phenotypic modulation of smooth muscle cells. © 1992 Academic Press Ltd.
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页码：1015 / 1022
页数：8
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