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    • 24. 发明授权
    • Recombinant human anti-Lewis Y antibodies
    • 重组人抗Lewis Y抗体
    • US06518415B1
    • 2003-02-11
    • US08859648
    • 1997-05-20
    • Kathryn Lesley ArmourFrancis Joseph CarrLloyd J. OldElisabeth StockertSydney WeltKunio KitamuraPilar Garin-Chesa
    • Kathryn Lesley ArmourFrancis Joseph CarrLloyd J. OldElisabeth StockertSydney WeltKunio KitamuraPilar Garin-Chesa
    • C07H2104
    • C07K16/34C07K16/30C07K2317/24C07K2319/00
    • The invention provides for the production of several humanized murine antibodies specific for the antigen Lewis Y, which is recognized by the murine antibody Lewis Y. The Lewis Y antigen is expressed in normal tissues but the level of expression is higher in certain tumor types so that the antigen can be used as a marker for cells of some breast, colon, gastric, esophageal, pancreatic, duodenal, lung, bladder and renal carcinomas and gastric and islet cell neuroendocrine tumors. The invention also provides for numerous polynucleotide encoding humanized Lewis Y specific antibodies, expression vectors for producing humanized Lewis Y specific antibodies, and host cells for the recombinant production of the humanized antibodies. The invention also provides methods for detecting cancerous cells (in vitro and in vivo) using humanized Lewis Y specific antibodies. Additionally, the invention provides methods of treating cancer using humanized Lewis Y specific antibodies.
    • 本发明提供对抗原Lewis Y特异性的几种人源化鼠抗体的产生,其被鼠抗体Lewis Y识别。Lewis Y抗原在正常组织中表达,但在某些肿瘤类型中表达水平较高,因此 抗原可用作乳腺癌,结肠癌,胃癌,食管癌,胰腺癌,十二指肠癌,肺癌,膀胱癌和肾癌和胃和胰岛细胞神经内分泌肿瘤的细胞标志物。 本发明还提供编码人源化Lewis Y特异性抗体的许多多核苷酸,用于产生人源化Lewis Y特异性抗体的表达载体和用于重组产生人源化抗体的宿主细胞。 本发明还提供使用人源化Lewis Y特异性抗体检测癌细胞(体外和体内)的方法。 另外,本发明提供使用人源化Lewis Y特异性抗体治疗癌症的方法。