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放射性核素~(111)In标记抗肿瘤单抗进行肿瘤定位诊断、动物实验和临床应用均优于~(131)I标记抗体。但肝脏本底高却是一个影响其应用效果的主要因素。我们以~(111)In标记抗结肠癌单抗2 C_(10)在荷瘤裸鼠体内进行放射免疫显象,并应用金属络合剂“811”(螯核羧酚)促进
The radionuclide-(111)In-labeled anti-tumor monoclonal antibody was superior to the (131)I-labeled antibody in the diagnosis of tumor localization, animal experiments, and clinical applications. However, the high background of the liver is a major factor affecting its application effect. We performed radioimmunoimmunostaining with ~(111)In-labeled monoclonal antibody 2 C_(10) in tumor-bearing nude mice and promoted with the metal complexing agent “811” (chelating carboxyl)