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大鼠结扎左冠脉后全心性去甲肾上腺素和腺苷三磷酸...
引用本文:荣沛 戴德哉. 大鼠结扎左冠脉后全心性去甲肾上腺素和腺苷三磷酸...[J]. 中国药理学报, 1992, 13(4): 333-337
作者姓名:荣沛 戴德哉
摘    要:


关 键 词:心肌梗死 普萘洛尔 肾上腺素

Global depletion of myocardial norepinephrine and ATP after left coronary artery occlusion in rats.
P Rong,D Z Dai,J E Zhang. Global depletion of myocardial norepinephrine and ATP after left coronary artery occlusion in rats.[J]. Acta Pharmacologica Sinica, 1992, 13(4): 333-337
Authors:P Rong  D Z Dai  J E Zhang
Affiliation:Research Division of Pharmacology, China Pharmaceutical University, Nanjing.
Abstract:
After ligation of the left coronary artery in rats, myocardial norepinephrine (NE) and ATP depletions in both infarcted (IZ) and non-infarcted zone (NIZ) were studied. In IZ, the depletions of NE and ATP were biphasic and the depleting rate constants were found to be K1 = 0.71 h-1 and K2 = 0.015 h-1 for NE, and K1' = 0.52 h-1 and K2' = 0.016 h-1 for ATP. In NIZ, the depletion of NE was monophasic, slowly progressive, and quite durable with rate constant K3 = 0.018 h-1. The depletion of ATP was transient. Propranolol (Pro) and verapamil (Ver) were beneficial but only partly effective against NE and ATP depletions.
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