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    • 10. 发明申请
    • New Humanized Anti-CD20 Monoclonal Antibody
    • 新型人源化抗CD20单克隆抗体
    • US20130089540A1
    • 2013-04-11
    • US13634072
    • 2011-03-16
    • Jie LiuYongke Zhang
    • Jie LiuYongke Zhang
    • C07K16/28
    • C07K16/2887A61K2039/505C07K2317/24C07K2317/56C07K2317/732C07K2317/734
    • The present invention discloses methods of design and preparation for a new humanized anti-CD20 monoclonal antibody, related genes, protein sequence, and the use of said antibody. Comparing to murine-derived antibodies and human-mouse chimeric antibodies, said humanized anti-CD20 antibody maintains or improves high binding activity of the variable regions, meanwhile reduces the immunogenicity of chimeric antibodies, consequently achieves the effect of reducing medicine side effects and improving clinical treatment. The antibody disclosed by the present invention is efficiently expressed in animal cells, can be used for industrial production. It could be used in treating B cell lymphoma, leukaemia, or B cell-associated autoimmune disease with a wide application prospect.
    • 本发明公开了新的人源化抗CD20单克隆抗体,相关基因,蛋白质序列以及所述抗体的应用的设计和制备方法。 与鼠源抗体和人 - 小鼠嵌合抗体相比,所述人源化抗CD20抗体维持或提高可变区的高结合活性,同时降低嵌合抗体的免疫原性,从而达到降低药物副作用和改善临床效果 治疗。 本发明公开的抗体在动物细胞中有效表达,可用于工业生产。 可用于治疗B细胞淋巴瘤,白血病或B细胞相关自身免疫性疾病,应用前景广阔。