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Effect of monoclonal antibody 3A5 coupled with Chinese medicine com-pound Andi in targeted treatment of hepatocellular carcinoma

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Author:
No author available
Journal Title:
WORLD CHINESE JOURNAL OF DIGESTOLOGY
Issue:
4
DOI:
10.3969/j.issn.1009-3079.2003.04.007
Key Word:
No keyword available

Abstract´╝Ü 目的:探讨单克隆抗体3A5-复方中药安迪粉针剂偶联物(3A5-Andi)的肝癌导向治疗作用.方法:用单克隆抗体3A5与安迪粉针剂(Andi)制备偶联物,ELISA检测3A5-Andi偶联物保持对人肝癌BEL-7402细胞的免疫反应性;采用小鼠/裸鼠移植性肿瘤模型,5-FU为阳性对照组,观察12、24和50mg/kg的导向治疗作用.结果:克隆生成法显示,3A5-Andi具有比Andi更强的细胞毒性,二者的IC50分别为2.8 mg/L和5.1 mg/L(P<0.01).24 mg/kg和50 mg/kg3A5-Andi ip对小鼠移植性腹水型H22肝癌的生命延长率(LPR)分别为133%和167%(P<0.05);而12mg/kg和24mg/kgAndi的LPR分别为112%和138%(P<0.05).24 mg/kg 3A5-Andi和12 mg/kg Andi iv对裸鼠移植性人肝癌BEL-7402细胞瘤的瘤重抑制率分别为63.5%和52.2%(P>0.05).24 mg/kg 3A5-Andi和12 mg/kg Andipt对BEL-7402人肝癌的抑制率分别为75.4%和61.0%(P>0.05).结论:3A5-Andi偶联物具有一定的肿瘤导向治疗作用;3A5-Andi与Andi比较,3A5-Andi对裸鼠移植人肝癌BEL-7402具有较强的治疗作用;pt方式3A5-Andi比iv疗效更好.

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