
摘要:过氧化氢(H2O2)是活性氧(ROS,reactive oxygen species)的重要组成部分,是氧代谢的重要产物,并且与许多生物过程有关。但是,H2O2的异常产生与许多疾病密切相关,例如细胞损伤,炎症疾病和癌症。为了更好地了解H2O2在亚细胞水平上的重要性,已经开发了许多H2O2的小分子荧光探针,用于在不同细胞器中对H2O2进行成像。硼酸盐由于对H2O2的高选择性和敏感性而被用作H2O2的识别基团。在这篇综述中,我们重点介绍基于硼酸盐与线粒体,内质网,溶酶体,高尔基体和细胞核靶向能力的H2O2荧光探针的代表性案例。这篇综述包含了这些荧光探针的结构,细胞器靶设计策略,荧光行为和生物学应用。
Abstract: Hydrogen peroxide (H2O2), a significant member of reactive oxygen species (ROS), is important products of oxygen metabolism and associated with many biological processes. However, abnormal production of H2O2 was closely associated with many diseases such as cell damage, inflammatory disease, and cancer. To better understand the importance of H2O2 at subcellular levels, many small-molecule fluorescent probes of H2O2 have been developed for imaging of H2O2 in different organelles. Borate is used as a recognition group for H2O2 due to its high selectivity and sensitivity to H2O2. In this review, we highlight the representative cases of H2O2 fluorescent probes based on borate with mitochondria, endoplasmic reticulum, lysosomes, Golgi and nuclei-targetable ability. The review contains structures, organelle target design strategies, fluorescence behavior and biological applications of these fluorescent probes.
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