PRODUCTION OF A TRANSFORMING GROWTH FACTOR-BETA-LIKE GROWTH-FACTOR BY RSV-TRANSFORMED RAT CEREBRAL MICROVASCULAR ENDOTHELIAL-CELLS

被引:8
作者
MOORADIAN, DL [1 ]
DIGLIO, CA [1 ]
机构
[1] WAYNE STATE UNIV,SCH MED,DEPT PATHOL,DETROIT,MI 48201
关键词
TRANSFORMING GROWTH FACTOR-BETA; ENDOTHELIAL CELL; ROUS SARCOMA VIRUS;
D O I
10.1159/000217702
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
This study describes the preliminary characterization of a Rous sarcoma virus (RSV)-transformed rat cerebral microvascular endothelial cell (RCE-T1)-derived growth factor with biological properties similar to transforming growth factor-beta (TGF-beta). A significant portion of this RCE-T1-derived TGF-beta-like growth factor was secreted in an active form and its secretion was elevated 2- to 3-fold in late passage cultures comprised of rapidly growing, less differentiated cells exhibiting reduced sensitivity to the growth-inhibitory effects of exogenous TGF-beta-1. These data suggest that the RCE-T1 cell line may be a useful system in which to study the role of autocrine TGF-beta-production in normal and aberrant endothelial cell growth.
引用
收藏
页码:171 / 183
页数:13
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