A Fluorescent Probe for Imaging Hydrogen Peroxide in Ovarian Cancer Cells
Dyes and pigments(2018)
摘要
Hydrogen peroxide (H2O2) is an oxidative stress marker in various disease. The local concentration of H2O2 is related to cancer, a reliable and simple assay detecting H2O2 level in cells is therefore critical. Here, we have developed a fluorescence probe PEP-Npb1-Cy3 which can be used to detect H2O2 in living ovarian cancer cells. The probe is developed based on employing the oxide reactivity of 1, 8-naphthalimide boric acid towards H2O2, which yields a turn-on fluorescence signal and exhibits high selectivity and sensitivity. Our collective results support the applicability of PEP-Npb1-Cy3 as a powerful tool for imaging both exogenous and endogenous H2O2-involving biological events in ovarian cancer cells, which may have further biomedical applications.
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关键词
Hydrogen peroxide,Fluorescence probe,Ovarian cancer cells
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