Monitoring mitochondrial nitroreductase activity in tumors and a hind-limb model of ischemia in mice using a novel activatable NIR fluorescent probe
Chemical Communications2022Vol. 58(81), pp. 11438–11441
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Xiaosheng Liu, Shuang Zeng, Ming Zhang, Maojun Jiang, Yves S. Kafuti, Pingping Shangguan, Yichu Yu, Qixian Chen, Jingyun Wang, Xiaojun Peng, Juyoung Yoon, Haidong Li
Abstract
We report a mitochondria-targeted nitroreductase (NTR)-activated near-infrared fluorescent probe: CS-NO2. Overexpressed NTR in mitochondria was measured with high sensitivity. More importantly, the probe CS-NO2 successfully monitored NTR activity in solid tumors and a hind-limb model of ischemia in mice. This novel finding indicates the promising function of our probe for the diagnosis of solid tumors and hypoxia-associated diseases.
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