DNA nanotubes as combinatorial vehicles for cellular delivery.

DNA nanotubes as combinatorial vehicles for cellular delivery.
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DOI:
10.1021/bm800479e
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发表时间:
2008-11
期刊:
影响因子:
6.2
通讯作者:
Mao, Chengde
Mao, Chengde
中科院分区:
化学2区
文献类型:
--
作者:
Ko, SeungHyeon;Liu, Haipeng;Chen, Yi;Mao, Chengde

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这项工作探索使用自组装DNA纳米结构作为药物递送的载体。我们最近开发了一种有机纳米管系统,它由一个单一的组件组装而成:一个52碱基长的DNA单链。在这项工作中,功能剂(叶酸作为癌细胞靶剂和Cy3作为荧光显像剂)与DNA链结合;共轭物自组装成微米长的纳米管(NTs)。荧光成像和荧光活化细胞分选(FACS)技术证明,结合的dna - nt可被癌细胞有效吸收。在目前的实验条件下,未观察到明显的毒性。
This work explores using self-assembled DNA nanostructures as carriers for drug delivery. We have recently developed an organic nanotube system that is assembled from a single component: a 52-base-long DNA single strand. In this work, functional agents (folate as a cancer cell target agent and Cy3 as a fluorescence imaging agent) are conjugated with the DNA strands; the conjugates self-assemble into micrometers-long nanotubes (NTs). The conjugated DNA-NTs can be effectively taken by cancer cells as demonstrated by fluorescence imaging and fluorescence activated cell sorting (FACS). No obvious toxicity has been observed under current experimental conditions.
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