Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy (2020)
Update date:2022-08-11
Topics:
Gan, Yabing
Li, Haitao
Liu, Meiling
Yao, Shouzhuo
Yin, Guoxing
Yin, Peng
Yu, Ting
Zhang, Youyu
Zhou, Li
Understanding cellular metabolism holds immense potential for developing new drugs that regulate metabolic pathways. Two gas signal molecules, SO2 and H2S, are the main metabolites from cysteine (Cys) via oxidation and desulfurization pathways, respectively. However, a few fluorescent probes for real-time monitor of the metabolic pathways of cysteine have been reported. To understand metabolic alterations of cysteine, we have rationally designed and prepared a dual-signal fluorescent probe HN, which could differentiate SO2 and H2S through two different fluorescence channels simultaneously, along with similar reaction kinetics and both “off-on” fluorescence responses. Probe HN exhibits the potential to monitor the metabolism pathways of cysteine, and the distinguishment of cancer cells from normal cells could be realized. This methodology will promote further understanding of the physiological and pathological roles of cysteine.
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(2019)