Enzyme-Activated Fluorogenic Probes for Live-Cell and in Vivo Imaging.

Enzyme-Activated Fluorogenic Probes for Live-Cell and in Vivo Imaging.
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DOI:
10.1021/acschembio.8b00371
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发表时间:
2018-07-20
影响因子:
4
通讯作者:
Raines RT
Raines RT
中科院分区:
生物学2区
文献类型:
--
作者:
Chyan W;Raines RT

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荧光探针是一种小分子传感器,可以在暴露于特定刺激时揭示明亮的荧光,是化学生物学的强大工具。这些对酶催化反应的探针以其他技术无法比拟的时空细节和灵敏度水平,阐明了生物过程的复杂动力学。在这里,我们综述了生物成像用酶激活荧光探针的最新进展。我们按照酶的分类来组织我们的调查,重点是荧光团的掩蔽策略,酶激活的方式,以及当前和未来的应用范围。关键的挑战,如探头的选择性和光谱要求,以及治疗、诊断和治疗机会进行了描述。
Fluorogenic probes, small-molecule sensors that unmask brilliant fluorescence upon exposure to specific stimuli, are powerful tools for chemical biology. Those probes that respond to enzymatic catalysis illuminate the complex dynamics of biological processes at a level of spatiotemporal detail and sensitivity unmatched by other techniques. Here, we review recent advances in enzyme-activated fluorogenic probes for biological imaging. We organize our survey by enzyme classification, with emphasis on fluorophore masking strategies, modes of enzymatic activation, and the breadth of current and future applications. Key challenges such as probe selectivity and spectroscopic requirements are described alongside of therapeutic, diagnostic, and theranostic opportunities.
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