Fluorescent probes for detecting and imaging mitochondrial hydrogen sulfide
Yi-Wen Zhu1, Ebenezeri Erasto Ngowi2, Ao-Qi Tang1
1Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China; School of Clinical Medicine, Henan University, Kaifeng, Henan, 475004, China.
Chemico-Biological Interactions
|December 5, 2024
Summary
Hydrogen sulfide (H2S) is vital in mitochondria but hard to measure. New fluorescent probes offer precise detection of H2S in organelles, aiding disease research.
Area of Science:
- Biochemistry
- Molecular Biology
- Cellular Biology
Background:
- Hydrogen sulfide (H2S) is a critical signaling molecule implicated in various diseases.
- Mitochondrial dysfunction is linked to altered H2S production, with enzymes translocating to mitochondria during stress.
- Current limitations in detection tools hinder the accurate measurement of H2S in cellular compartments.
Purpose of the Study:
- To review the design, mechanisms, and applications of fluorescent probes for detecting mitochondrial H2S.
- To highlight the importance of accurate H2S monitoring in organelles for understanding physiological and pathological processes.
Main Methods:
- Review of existing literature on fluorescent probe development for H2S detection.
- Analysis of probe design strategies, including fluorophore coupling with responsive sites.
- Discussion of probe mechanisms, synthesis, and application in biological systems.
Main Results:
- Fluorescent probes provide sensitive, selective, and low-toxicity methods for H2S detection.
- These probes enable real-time monitoring of H2S levels within mitochondria and other organelles.
- Recent advancements have led to numerous publications on fluorescent probe development for H2S.
Conclusions:
- Fluorescent probes are essential tools for quantifying H2S levels in organelles.
- Accurate H2S measurement using these probes can elucidate its role in various diseases.
- Further development and application of fluorescent probes will advance our understanding of H2S biology.


