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出血性血小板病患者凝血酶受体GP Ib IX V复合物表达研究 |
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【摘要】 目的 观察出血性血小板病患者的血小板膜糖蛋白(GP)Ib/IX/V复合物及其组分GP Ibα的表达。方法 采用流式细胞术检测68例出血性血小板病患者在出血期的血小板GP Ib/IX/V复合物和GP Ibα的表达,采用比浊法检测其血小板最大聚集率(MA),并与33例出血控制者及32例正常健康者比较。结果 出血性血小板病患者在出血期间GP Ib/IX/V复合物、GP Ibα表达明显低于正常组(P均<0.01),出血控制者的 GP Ib/IX/V复合物、GP Ibα表达与正常组比较无显著性差异(P均>0.05)。结论 血小板GPⅠb/Ⅸ/Ⅴ复合物作为凝血酶和血管性血友病因子的受体,在出血性血小板病患者体内的表达下降,导致血小板聚集功能障碍,可能是本病反复发作出血倾向的重要原因之一。 【关键词】 出血性血小板病; 凝血酶受体; 血小板聚集功能
Expression of Platelet Membrane Glycoprotein Ib/IX/V , a Platelet Membrane
Receptor, in Patients with Hemorrhagic Thrombopathy
SHEN Lin, SHEN Di, Chen Rui, ZHU Min, LU Furong, QIN You, FAN Heng
Department of Integrated Traditional Chinese and Western Medicine, the Union Hospital, Tongji Medical College, Huazhong University of Science and Technology,Wuhan 430022, China
Abstract: Objective To investigate the expression differences of platelet membrane glycoprotein (GP) Ib/IX/V complex and its component GP Ibα between patients with hemorrhagic thrombopathy and healthy subjects. Methods The expressions of GP Ib/IX/V complex and GP Ibα were assessed by flow cytometry, and platelet maximum agglutination (MA) was determined by turbidity method in 68 bleeding patients with hemorrhagic thrombopathy and w[1] [2] [3] [4] [5] [6] 下一页 上一个医学论文: 重组人凝血因子 在中国血友病A患者的有效性及抑制物产生的观察 下一个医学论文: 雷公藤内酯醇洗脱支架抑制小型猪冠脉再狭窄研究
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