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Preparation and Application of Biotinylated Anti-AIB1 Moniclonal Antibody
Author(s): PANG Qiu-xia, QU Yi, WEI Da-peng, ZHAO Feng-yan
Pages: 727-
729
Year: 2009
Issue:
4
Journal: Journal of Sichuan University(Medical Science Edition)
Keyword: 生物素N-羟基丁二酰亚胺酯; 生物素化; 单克隆抗体; AIB1;
Abstract: 目的 用生物素N-羟基丁二酰亚胺酯(BNHS)对纯化抗AIB1单克隆抗体1A2E1进行标记,并应用标记后单克隆抗体对靶细胞中AIB1蛋白进行检测.方法 用BNHS与纯化抗体1A2E1交联,制备Biotin-1A2E1,用竞争抑制ELISA法及免疫细胞化学法检测Biotin-1A2E1的生物学活性.结果 所制备的生物素化抗体活性高,效价为1∶3200,用于检测乳腺癌细胞中AIB1蛋白敏感性好. 结论 成功制备生物素化抗体Biotin-1A2E1,并可初步应用于靶细胞AIB1蛋白的检测,为肿瘤辅助诊断中AIB1蛋白的检测提供有力手段.
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