β肾上腺素受体激酶抑制剂对心力衰竭大鼠心功能的影响及其机制研究

来源 :第二十四届长城国际心脏病学会议、亚太心脏大会暨国际心血管病预防与康复会议(The 24th Great Wall Int | 被引量 : 0次 | 上传用户:guanhuaicn
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目的:对心肌梗死后心力衰竭大鼠经外周静脉注射β肾上腺素受体激酶抑制剂(β-adrenergic receptor kinase inhibitor,β ARKct),研究其对心功能的影响.方法:使用体重250g左右雄性SD大鼠,通过结扎冠状动脉左前降支形成急性心肌梗死,4周后形成心力衰竭.将急性心肌梗死后心力衰竭大鼠随机分为对照组、实验组及假手术组,分别经尾静脉注射Ad-β ARKct或Ad空载体.4周后测定各组大鼠左室射血分数、血流动力学指标、血儿茶酚胺、NT-ProBNP浓度以及左心室非梗死区心肌组织儿茶酚胺浓度、β ARK1的表达.
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