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Cell-SELEX技术研究进展

, PP. 52-56

Keywords: Cell-SELEX,生物标记物,癌症研究,核酸,适配子

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Abstract:

适配子是通过SELEX技术,即指数富集配体系统进化技术,经反复放大筛选得到的、与目标分子有高度亲和性的分子。SELEX技术常使用纯化的靶分子,目前活细胞也可用于筛选目标,这种技术称为细胞指数富集配体系统进化技术(Cell-SELEX),其优点是产生的适配子可以与活细胞中的靶分子的天然构象发生作用。细胞表面的跨膜蛋白也可作为适配子的目标。此外,在不知道任何细胞表面分子的情况下也可以得到细胞特异性适配子。对Cell-SELEX技术的应用及研究进展进行综述。

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