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    • 7. 发明申请
    • A HUMANIZED ANTIBODY TO SURFACE ANTIGEN S OF HEPATITIS B VIRUS AND A PREPARING METHOD THEREOF
    • 乙型肝炎病毒抗原表面抗体的人类抗体及其制备方法
    • WO2002059318A1
    • 2002-08-01
    • PCT/KR2001/001657
    • 2001-10-04
    • KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGYHONG, Hyo-JeongKIM, Keun-Soo
    • HONG, Hyo-JeongKIM, Keun-Soo
    • C12N15/13
    • C07K16/082C07K2317/24C07K2317/565
    • The present invention relates to the humanized antibodies to surface antigen S of hepatitis B virus and a preparing method thereof. Particularly, it relates to the humanized antibodies which comprise heavy and light chains having amino acid sequences originated from human antibodies at the HCDR1, HCDR2, HCDR3 and LCDR1, LCDR2, LCDR3 of their variable regions, expression vectors containing each of the heavy and light chain genes of the humanized antibody and transformant which can produce humanized antibody by transfection with heavy and light chain expression vectors and a preparing method thereof. A humanized antibody of the present invention is more humanized than that of the previous arts. So, it minimizes the probability of immune response in humans and has good antigen binding capacity, making it a excellent candidate for prevention and treatment of the hepatitis B virus infection.
    • 本发明涉及乙型肝炎病毒的表面抗原S的人源化抗体及其制备方法。 特别涉及包含重链和轻链的人源化抗体,其具有源自HCDR1,HCDR2,HCDR3和LCDR1的人抗体的氨基酸序列,其可变区的LCDR2,LCDR3,含有重链和轻链中的每一个的表达载体 通过用重链和轻链表达载体转染可产生人源化抗体的人源化抗体和转化体的基因及其制备方法。 本发明的人源化抗体比以前的技术更人性化。 因此,它可以最大限度地减少人体免疫应答的可能性,具有良好的抗原结合能力,成为预防和治疗乙型肝炎病毒感染的绝佳选择。