期刊
ANTIOXIDANTS & REDOX SIGNALING
卷 30, 期 10, 页码 1369-1386出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/ars.2017.7408
关键词
oxidative stress; cysteine oxidation; redox proteomics; redox sensors
资金
- Japan Society for the Promotion of Science
- NIH [1R01GM117004, 1R01GM118431-01A1]
Significance: Cellular reactive oxygen species (ROS) mediate redox signaling cascades that are critical to numerous physiological and pathological processes. Analytical methods to monitor cellular ROS levels and proteomic platforms to identify oxidative post-translational modifications (PTMs) of proteins are critical to understanding the triggers and consequences of redox signaling. Recent Advances: The prevalence and significance of redox signaling has recently been illuminated through the use of chemical probes that allow for sensitive detection of cellular ROS levels and proteomic dissection of oxidative PTMs directly in living cells. Critical Issues: In this review, we provide a comprehensive overview of chemical probes that are available for monitoring ROS and oxidative PTMs, and we highlight the advantages and limitations of these methods. Future Directions: Despite significant advances in chemical probes, the low levels of cellular ROS and low stoichiometry of oxidative PTMs present challenges for accurately measuring the extent and dynamics of ROS generation and redox signaling. Further improvements in sensitivity and ability to spatially and temporally control readouts are essential to fully illuminate cellular redox signaling.
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