C-TYPE NATRIURETIC PEPTIDE IS A GROWTH INHIBITOR OF RAT VASCULAR SMOOTH-MUSCLE CELLS

被引:190
|
作者
FURUYA, M
YOSHIDA, M
HAYASHI, Y
OHNUMA, N
MINAMINO, N
KANGAWA, K
MATSUO, H
机构
[1] NATL CARDIOVASC CTR,RES INST,SUITA,OSAKA 565,JAPAN
[2] SUNTORY INST BIOMED RES,MISHIMA,OSAKA 618,JAPAN
[3] SUNTORY BIOPHARMA TECH CTR,TOKYO,GUNMA 37005,JAPAN
[4] MIYAZAKI MED COLL,DEPT BIOCHEM,MIYAZAKI 88916,JAPAN
关键词
D O I
10.1016/0006-291X(91)90627-J
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
C-type natriuretic peptide (CNP) which potently stimulates particulate guanylate cyclase activity in cultured rat vascular smooth muscle cells (VSMC) inhibited serum-induced DNA synthesis of the cells 10-fold more effectively than α-human atrial natriuretic peptide (α-hANP). The inhibitory effect of CNP was mimicked by 8-bromo-cGMP. The proliferation of VSMC was also suppressed by CNP more potently than α-hANP, while the peptide was less active for cGMP augmentation and for vasorelaxation than α-hANP in isolated rat aorta. These results suggest that CNP may be a growth regulating factor of VSMC rather than a vasodilator. © 1991.
引用
收藏
页码:927 / 931
页数:5
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