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CHO-HPA-1a细胞快速检测人血小板同种(异型)抗体方法建立的分析

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摘要 目的:探讨建立CHO-HPA-la细胞快速检测人血小板同种(异型)抗体方法,通过几种血小板抗体检测方法对比总结其临床诊断价值。方法:分别应用流式细胞术(FCM)、单克隆抗体特异性血小板抗原固定术(MAIPA)和应用蛋白印迹(WB)对新生儿血小板减少患儿母体进行基因分型和血清分型对比。结果:三种方法均检测到新生儿血小板减少患儿母体血清中的抗β-3抗体,但CHO-FCM方法敏感性与MAIPA接近,WB分析法敏感性最低。在血小板减少患儿疾病中,FCM检测阳性率达到91.3%,高于MAIPA的83.2%和WB分析法的73.8%。对比有统计学意义(P<0.05)。结论:当CHO细胞固定时,HPA-la抗原表面并未受损,且保存时间被明显延长,说明固定化细胞更适合于大量血小板减少患儿母体抗体的检测。CHO细胞模型可以成功地用来表达并研究HPA-1a的多态性及其抗原特性,同时可以作为用于临床检测抗HPA-1a同种(异型)抗体的一种替代方法。
作者 陈广红
出处 《贵阳中医学院学报》 2012年第6期114-115,共2页 Journal of Guiyang University of Chinese Medicine
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