用IRES序列连接hSSTR2报告基因与CD自杀基因,构建双顺反子表达载体。利用受体配基结合的特异性,以(99m)Tc-SSA为报告探针通过检测hSSTR2的表达可同步监测CD基因的表达;并研究hSSTR2介导(188)Re-SSA的抑瘤作用与CD基因杀伤肿瘤的协同效应。发挥靶向性放疗和自杀基因治疗肿瘤的双重疗效。本研究既是转基因显像方法学上的创新与深化,又丰富了肿瘤基因治疗的内函。
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数据更新时间:2023-05-31
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