EVIDENCE FOR INVOLVEMENT OF PROTEIN-KINASE-C IN EXPRESSION OF INTRACELLULAR ADHESION MOLECULE-1 (ICAM-1) BY HUMAN VASCULAR ENDOTHELIAL-CELLS

被引:17
作者
SUNG, CP [1 ]
ARLETH, AJ [1 ]
NAMBI, P [1 ]
机构
[1] SMITHKLINE BEECHAM PHARMACEUT,DEPT RENAL PHARMACOL,KING OF PRUSSIA,PA
关键词
ADHESION MOLECULE; ICAM-1; PKC; ENDOTHELIAL CELLS;
D O I
10.1159/000139173
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Potent activators of protein kinase C (PKC), such as phorbol dibutyrate and octylindolactam V, stimulated expression of intercellular adhesion molecule 1 (ICAM-1) by human umbilical vein endothelial cells (HUVEC) in a concentration-dependent manner. Expression of PKC activator-induced ICAM-1 in HUVEC was inhibited by the PKC inhibitor, H-7. Furthermore, cytokine (TNF alpha, LPS)-induced ICAM-1 expression was inhibited by the potent PKC inhibitor, H-7, and not by the cAMP-dependent protein kinase (PKA) specific inhibitor, H-89. These data suggest that PKC is involved in cytokine- and inflammatory agent-induced upregulation of ICAM-1 expression in HUVEC.
引用
收藏
页码:143 / 146
页数:4
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