Coordinated role of vasoactive intestinal peptide and nitric oxide in cardioprotection

被引：18

作者：

Das, DK ^{[1
]}

Kalfin, R

Maulik, N

Engelman, RM

机构：

[1] Univ Connecticut, Sch Med, Dept Surg, Div Cardiovasc Res, Farmington, CT 06030 USA

[2] Univ Siena, I-53100 Siena, Italy

来源：

VIP, PACAP, AND RELATED PEPTIDES: THIRD INTERNATIONAL SYMPOSIUM | 1998年 / 865卷

关键词：

D O I：

10.1111/j.1749-6632.1998.tb11190.x

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：

The present study sought to examine the interrelationship between nitric oxide (NO) and vasoactive intestinal peptide (VIP) in myocardial protection. Isolated rat hearts were perfused for 15 min with buffer only (Group I); 0.3 mM VIP (Group II); 3 mM L-arginine (a precursor of NO) (Group III); VIP and aminoguanidine (iNOS blocker) (Group IV); or L-arginine plus VIP 10-28 (VIP inhibitor) (Group V), Each heart was then made globally ischemic for 30 min followed by 2 h reperfusion. Both VIP and NO were found to provide cardioprotection during ischemia and reperfusion, However, the beneficial effects of VIP and NO were reduced by inhibition of NO and VIP, respectively, suggesting that cardioprotection by VIP is modulated by NO and vice versa. The results of this study suggested a coordinated regulation by cardioprotection by NO and VIP.

引用

页码：297 / 308

页数：12

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