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The protective effect of sufentanil postconditioning on myocardial ischemia-reperfusion injury in rats / 实用医学杂志
The Journal of Practical Medicine ; (24): 2440-2442, 2015.
Article in Chinese | WPRIM | ID: wpr-477654
ABSTRACT
Objective To evaluate the effect of sufentanil postconditioning on myocardial ischemia-reperfusion injury in rats, and to investigate the possible mechanism. Methods Thirty male Sprague-Dawley ratswere randomly divided into 5 groups (n = 6 each) sham group (group S), I/R group (group I/R), low dose of sufentanil postconditioning group (group SL), high dose of sufentanil postconditioning group (group SH) andsufentanil postconditioning plus wortmannin group (group WM). Different drugs were injected before reperfusion normal saline (NS) and sufentanil 1 μg/kg in group SL, NS and sufentanil 3 μg /kg in group SH, wortmannin 15 μg/kg andsufentanil 1 μg/kgin group WM, and NS in group S and I/R. At the end of reperfusion, artery blood was collected for assessment of plasma cTnI concentration; And the heart was harvested for determination of infarct size (IS) and area at risk (AAR). Results Compared with group S, cTnI concentration was increasedin the rest groups (P< 0.01); Compared with group I/R, cTnI concentration was decreased in group SL, SH and WM, while IS/AAR reduced in group SL and SH (P < 0.01); Compared with group SL, cTnI concentration and IS/AAR were decreased in group SH while increased in group WM (P <0.01). Conclusion Sufentanil postconditioning could attenuate myocardial ischemia-reperfusion injury in rats, and the mechanism involved PI3K related pathway.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: The Journal of Practical Medicine Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: The Journal of Practical Medicine Year: 2015 Type: Article