Multiplexed and reiterative fluorescence labeling via DNA circuitry.

Multiplexed and reiterative fluorescence labeling via DNA circuitry.
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DOI:
10.1021/bc100348q
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发表时间:
2010-12-15
影响因子:
4.7
通讯作者:
Diehl, Michael R.
Diehl, Michael R.
中科院分区:
化学2区
文献类型:
--
作者:
Duose, Dzifa Y.;Schweller, Ryan M.;Hittelman, Walter N.;Diehl, Michael R.

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一类反应性DNA电路被改编为可擦除的分子成像探针,允许荧光报告复合物在生物标本上组装和拆卸。电路反应是序列依赖的,因此便于多路(多色)检测。然而,分解报告复合物的能力也允许去除荧光团,并使用新的电路复合物来标记额外的标记物。因此,这些探针提供了机会,以增加分子目标的总数,可以可视化的生物样品上通过允许多轮荧光显微镜进行。
A class of reactive DNA circuits was adapted as erasable molecular imaging probes that allow fluorescent reporting complexes to be assembled and disassembled on a biological specimen. Circuit reactions are sequence-dependent and therefore facilitate multiplexed (multicolor) detection. Yet, the ability to disassemble reporting complexes also allows fluorophores to be removed and new circuit complexes to be used to label additional markers. Thus, these probes present opportunities to increase the total number of molecular targets that can be visualized on a biological sample by allowing multiple rounds of fluorescence microscopy to be performed.
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