Protective effect of Danshen A Sodium Sulfonate Injection on Vascular Endothelial Injury after Ischemic Preconditioning in Rabbits with Myocardial Ischemia Preconditioning
目的:通过建立兔急性心肌缺血/再灌注损伤动物模型,观察丹参酮ⅡA磺酸钠注射液对实验动物心肌缺血预处理后血管内皮损伤的保护作用及其对兔心肌酶谱的影响,探讨丹参酮ⅡA磺酸钠注射液对心功能潜在的影响机制。方法:取24只健康兔随机分为缺血/再灌注组、缺血预处理A组、缺血预处理B组,其中其中缺血预处理A组按2.5 m L/(kg·d)、缺血预处理B组按5 m L/(kg·d)耳缘静脉注射丹参酮ⅡA磺酸钠注射液进行缺血前预处理,缺血/再灌注组注射1m L生理盐水,预处理1周后3组动物均采用手术结扎冠状动脉前降支30 min后复灌30 min,并反复缺血/再灌注3次的方法造成动物急性心肌缺血/再灌注损伤动物模,另取8只不做任何处理作为对照组。采用双抗体夹心法测定兔缺血预处理前、后血清血管内皮因子(Vsculr Endothelil Growthfctor,VEGF)及VEGFmRNA表达;酶联免疫吸附法检验(ELIS)兔血清血清总超氧化物歧化酶(T-SOD)、乳酸脱氢酶(LDH)、肌酸激酶同工酶(CK-MB)及心肌丙二醛(MDA)。籍此评价丹参酮Ⅱ磺酸钠注射液对实验动物心肌缺血预处理后血管内皮损伤的保护作用及其对兔心肌酶谱...
【英文摘要】
Objective: To observe the protective effect of Danshen A sodium sulfonate injection on myocardial ischemia and reperfusion injury in rabbit,investigate the effect of Danshen A sodium sulfonate injection on myocardial enzyme spectrum and explore its potential mechanism to heart function. Methods: Twenty-four rabbits were randomly divided into ischemia/reperfusion group,ischemic preconditioning processing group A,and ischemic preconditioning group B. Ischemic preconditioning processing group A was injected vi...