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Relation of ischemic cardio-cerebro vascular diseases with platelet microparticle and expression of functional membrane protein

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Author:
No author available
Journal Title:
JOURNAL OF THE FOURTH MILITARY MEDICAL UNIVERSITY
Issue:
22
DOI:
10.3321/j.issn:1000-2790.2006.22.005
Key Word:
脑血管疾病;心血管疾病;血小板微颗粒;流式细胞术;CD62P GPIIb/IIIa

Abstract: 目的: 运用以全血为标本的流式细胞仪(FCM)检测血小板微颗粒(PMP)方法,检测观察血栓性心脑血管疾病患者治疗前后PMP及其表面膜糖蛋白GPIIb/IIIa(PAC-1)及P-选择素(CD62P)的活化比率的变化;探讨PMP及PAC-1及CD62P活化比率检测在血栓性心脑血管疾病发病机制中的作用及其在病情预测和预后评价中的意义. 方法: 采用流式细胞仪分别对正常对照组、治疗前和治疗后血栓性心脑血管疾病组进行测定,分析各组PMP表达状况, CD62P, GPIIb/IIIa活化比率. 结果: ①正常对照组PMP: (65.5±9.8)/104Plt, CD62P: (3.2±0.8)%, PAC-1: (7.0±1.0)%; PMP:(64.3±8.3)/104Plt, PAC-1:(6.8±0.7)%, CD62P:(3.0±0.7)%, PMP:(64.3±8.2)/104Plt, PAC-1:(6.8±0.7)%, CD62P:(3.0±0.7)%;②血栓性心血管疾病组治疗前PMP:(209.2±21.9)/104Plt, CD62P:(54.7±7.8)%, PAC-1:(87.4±7.1)%;治疗后PMP:(117.9±11.9)/104Plt, CD62P:(25.2±6.3)%, PAC-1:(46.2±5.1)%;两者的PMP, CD62P, PAC-1水平均较正常对照组有显著性升高(P<0.01);治疗后较治疗前有显著性下降(P<0.01). ③血栓性脑血管疾病组治疗前PMP:(217.3±36.6)/104Plt, CD62P:(52.8±9.3)%, PAC-1:(79.9±6.8)%; 治疗后PMP:(134.2±12.9)/104Plt, CD62P:(24.3±6.1)%, PAC-1:(42.2±5.1)%;两者的PMP, CD62P, PAC-1水平均较正常对照组有显著性升高(P<0.01);治疗后较治疗前有显著性下降(P<0.01). 结论: PMP及其表面膜糖蛋白PAC-1及CD62P表达的检测可作为血栓性心脑血管疾病疗效及预后判断的临床辅助诊断特异性指标之一,并为心脑血管疾病患者长期药物治疗提供理论依据.

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