强化阿托伐他汀对不稳定性心绞痛患者冠状动脉介入治疗术后CD4+T淋巴细胞微小核糖核酸-21表达的影响

被引:23
作者
刘洋
李浪
苏强
周游
王江友
孙羽涵
杨栋
机构
[1] 广西医科大学第一附属医院心血管内科
关键词
阿托伐他汀; 微小核糖核酸-21; 经皮冠状动脉介入治疗术; PDCD4; CD4+T淋巴细胞;
D O I
暂无
中图分类号
R541.4 [冠状动脉(粥样)硬化性心脏病(冠心病)];
学科分类号
100201 [内科学];
摘要
目的:探讨强化阿托伐他汀对不稳定性心绞痛患者经皮冠状动脉介入治疗(PCI)术后CD4+T淋巴细胞微小核糖核酸-21(microRNA-21,miRNA-21)表达的影响。方法:入选2011-11至2012-05在我院住院行择期PCI术的不稳定性心绞痛患者68例,随机分为强化他汀组(阿托伐他汀术前80 mg/d,术后40 mg/d,n=34)和常规他汀组(阿托伐他汀术前术后均20 mg/d,n=34)。分别于PCI术前、术后16~24 h抽血检查肌酸激酶同工酶(CK-MB)、肌钙蛋白I、超敏C反应蛋白及新鲜外周血。实时荧光定量逆转录-聚合酶链式反应法(qRT-PCR)检测CD4+T淋巴细胞miRNA-21、程序性细胞死亡因子4(PDCD4)mRNA表达,蛋白免疫印迹法检测CD4+T淋巴细胞PDCD4蛋白表达,酶联免疫法检测血清白细胞介素-10、肿瘤坏死因子-α的浓度。结果:强化他汀组肌钙蛋白I高于正常高值1~5倍及高于5倍以上的发生率低于常规他汀组;强化他汀组CK-MB高于正常高值的发生率也低于常规他汀组,差异均有统计学意义(P均<0.05)。常规他汀组术后超敏C反应蛋白、PDCD4 mRNA、PDCD4蛋白、肿瘤坏死因子-α较术前明显升高,差异有统计学意义(P<0.05)。强化他汀组术后miRNA-21、白细胞介素-10表达量较术前明显升高,PDCD4 mRNA、PDCD4蛋白较术前明显降低,差异均有统计学意义(P<0.05)。结论:强化阿托伐他汀减轻PCI术后心肌损伤可能与上调PCI术后CD4+T淋巴细胞miRNA-21表达,导致其靶蛋白PDCD4表达减少有关。
引用
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页码:26 / 30
页数:5
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