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同位素  2015 

无载体放射性碘标记MIBG的制备及初步生物分布

DOI: 10.7538/tws.2015.28.03.0148, PP. 148-154

Keywords: 间碘苄胍,无载体,多氟化合物支持体

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Abstract:

无载体放射性碘标记间碘苄胍(no-carrier-added,n.c.a.123/131I-MIBG)在肿瘤、心肌显像和神经内分泌肿瘤的治疗方面有理论上优势。首先合成了以多氟化合物为支持体的标记前体,对该前体进行了放射性碘标记、纯化和初步生物分布实验。结果显示,无载体放射性碘125I标记MIBG在正常小鼠的心、脾、肺和肾上腺中的摄取显著高于目前商用的放射性碘标记MIBG。利用该方法标记后产物不需要使用HPLC进行纯化,适用于大规模临床应用。

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