DNA "nano-claw": logic-based autonomous cancer targeting and therapy.

DNA "nano-claw": logic-based autonomous cancer targeting and therapy.
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DNA“纳米爪”:基于逻辑的自主癌靶向和治疗。

DOI:
10.1021/ja4114903
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发表时间:
2014-01-29
影响因子:
15
通讯作者:
Tan W
Tan W
中科院分区:
化学1区
文献类型:
--
作者:
You M;Peng L;Shao N;Zhang L;Qiu L;Cui C;Tan W

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细胞类型,无论是健康的还是患病的,都可以通过其细胞表面标记物的库存来分类。对多种标志物的可编程分析将使临床医生能够制定全面的疾病概况,从而实现更准确的诊断和干预。作为实现这一目标的第一步,我们设计了一种基于DNA的设备,称为“纳米爪”。结合DNA适体的特殊结构转换特性与支点介导的链置换反应,这种爪能够对多种癌细胞表面标志物进行基于逻辑的自主分析,并作为响应,产生诊断信号和/或靶向光动力学治疗。我们期望这种设计可以广泛应用于促进基础生物医学研究,准确的疾病诊断和有效的治疗。
Cell types, both healthy and diseased, can be classified by inventories of their cell-surface markers. Programmable analysis of multiple markers would enable clinicians to develop a comprehensive disease profile, leading to more accurate diagnosis and intervention. As a first step to accomplish this, we have designed a DNA-based device, called “Nano-Claw”. Combining the special structure-switching properties of DNA aptamers with toehold-mediated strand displacement reactions, this claw is capable of performing autonomous logic-based analysis of multiple cancer cell-surface markers and, in response, producing a diagnostic signal and/or targeted photodynamic therapy. We anticipate that this design can be widely applied in facilitating basic biomedical research, accurate disease diagnosis and effective therapy.
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