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叶酸受体介导的肿瘤细胞靶向MRI、CT分子影像学对比剂研究 被引量:1

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摘要 叶酸受体(FR)在正常组织中的表达高度保守,而在大部分恶性肿瘤组织中高度表达,利用受体和配体的特异性结合,以叶酸受体对应的配体-叶酸或其衍生物为载体,可将与载体相连接的对比剂靶向递送至叶酸受体表达阳性的肿瘤细胞,从而实现由细胞、分子水平对肿瘤靶向显像。本文就近年来有关叶酸、叶酸受体的生物化学性质以及叶酸受体介导的肿瘤细胞靶向MRI、CT分子影像学对比剂的研究进展作一综述。
作者 王艺 任克
出处 《放射学实践》 2014年第10期1226-1229,共4页 Radiologic Practice
基金 辽宁省自然科学基金资助项目(20092124)
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