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    • 4. 发明公开
    • B형 간염바이러스의 표면항원 preS1에 특이적인단일클론항체
    • 预防1型单克隆抗体,乙型肝炎病毒表面抗原
    • KR1020070099214A
    • 2007-10-09
    • KR1020060030309
    • 2006-04-03
    • 한국생명공학연구원
    • 홍효정김상직류춘제안현주장명희김진홍임지혜
    • C07K16/08C12N15/13
    • C07K16/1072C12N15/63G01N33/5761
    • A humanized antibody against a surface antigen pre-S1 of Hepatitis B virus(HBV) is provided to secure the antigen binding capacity similar to that of a mouse monoclonal antibody and have significantly decreased immunity inducing capacity in human due to having more humanized amino acid residue, thereby being usefully used for preventing and treating HBV infection. A humanized antibody against a surface antigen pre-S1 of HBV is characterized in that an amino acid sequence of a heavy chain region is described as SEQ ID : NO. 10 or an amino acid sequence of a light chain region is described as SEQ ID : NO. 20. An expression vector comprises a gene coding an amino acid sequence described as SEQ ID : NO. 19, a gene coding an amino acid sequence described as SEQ ID : NO. 20, and a chimera antibody coding an invariable region of a human IgG antibody. A composition for preventing and treating Hepatitis B comprises a chimera antibody expressed by the expression vector. A kit for detecting HBV comprises the antibody.
    • 提供针对乙型肝炎病毒(HBV)前S1的抗原表面抗原的人源化抗体以确保与小鼠单克隆抗体相似的抗原结合能力,并且由于具有更多的人源化氨基酸残基而在人体中具有显着降低的免疫诱导能力 从而有效地用于预防和治疗HBV感染。 针对HBV表面抗原pre-S1的人源化抗体的特征在于重链区的氨基酸序列描述为SEQ ID NO: 10或轻链区域的氨基酸序列描述为SEQ ID NO: 表达载体包含编码SEQ ID NO:1所示的氨基酸序列的基因。 19,编码如SEQ ID NO:1所示的氨基酸序列的基因。 20和编码人IgG抗体的不变区的嵌合体抗体。 用于预防和治疗乙型肝炎的组合物包含由表达载体表达的嵌合体抗体。 用于检测HBV的试剂盒包含抗体。