EFFECT OF NADPH OXIDASE INHIBITION ON ENDOTHELIAL-CELL ELAM-1 MESSENGER-RNA EXPRESSION

被引:44
作者
SUZUKI, Y
WANG, WZ
VU, TH
RAFFIN, TA
机构
[1] STANFORD UNIV,MED CTR,DIV PULM & CRIT CARE MED,ROOM H3151,STANFORD,CA 94305
[2] VET AFFAIRS MED CTR,MED SERV,PALO ALTO,CA 94304
关键词
D O I
10.1016/S0006-291X(05)80029-4
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Neutrophil adherence to endothelium is partially mediated by the expression of endothelial leukocyte adhesion molecule-1 (ELAM-1) on endothelial cells activated by agents such as lipopolysaccharide (LPS) and phorbol myristate acetate (PMA). To elucidate molecular mechanisms involved in the induction of ELAM-1 on endothelial cells, we investigated the effect of the NADPH oxidase inhibitor, apocynin (4-hydroxy-3-methoxyacetophenone), on ELAM-1 mRNA expression in human umbilical vein endothelial cells (HUVEC) by Northern blot analysis. Apocynin downregulated both LPS- and PMA-induced ELAM-1 mRNA expression in a dosedependent manner. Our results suggest NADPH oxidase might play a key role in ELAM-1 mRNA expression in HUVEC. © 1992 Academic Press, Inc.
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页码:1339 / 1343
页数:5
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