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为获得广谱抗哺乳类动物PrP单克隆抗体(monoclonal antibody, McAb), 用牛朊蛋白(prion protein, PrP)多肽(209~228 aa)与匙孔槭血蓝蛋白(keyhole limpet hemocyanin, KLH)偶联物免疫Balb/C小鼠. 经细胞融合和克隆后获得针对上述多肽的杂交瘤细胞株. 分别用Western blot和免疫组化(immunohistochemistry, IHC)的方法检测这些McAbs与重组人(human, Hu)、牛(bovine, Bo)、仓鼠(hamster, Ha)PrP蛋白、牛脑组织中的正常朊蛋白(cellular PrP, PrPc)和致病性朊蛋白(scrapie of prion, PrPSc)的反应性. 本文为制备高效价抗PrP McAb提供了一个简单、易行的方法. 制备的抗体可用于研究哺乳类PrP生物学特性, 检测可传播性海绵样脑病, 特别是对牛海绵样脑病的诊断具有重要意义.
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赵丽 et al. (2009) studied this question.
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