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
中科院分区:
文献类型:
--
作者:
You M;Peng L;Shao N;Zhang L;Qiu L;Cui C;Tan W
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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