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Separation of SO-Rb50 cells antigen corresponding to the monoclonal antibody of anti-retinoblastoma

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF OCULAR FUNDUS DISEASES
Issue:
3
DOI:
10.3760/j.issn:1005-1015.2003.03.005
Key Word:
视网膜母细胞瘤;抗体,单克隆;抗原/分离和纯化

Abstract: 目的从SO-Rb50细胞中提取出抗视网膜母细胞瘤单克隆抗体相应的抗原. 方法用离子交换层析法从SO-Rb50细胞中初步分离抗原,并利用抗视网膜母细胞瘤单克隆抗体以dot blotting鉴定抗原,然后以十二烷基硫酸钠-聚丙烯酰胺凝胶电泳分离纯化出抗原目的蛋白条带,用Westein blotting检测其相对分子质量. 结果从SO-Rb50细胞裂解液的总蛋白中分离出一条抗原目的蛋白条带,其相对分子质量约为83×103. 结论从SO-Rb50细胞裂解液中能够提取出抗视网膜母细胞瘤单克隆抗体对应的抗原.

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