Bioluminescent Probes for the Detection of Superoxide and Nitric Oxide.

IF 3.5 2区 生物学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY ACS Chemical Biology Pub Date : 2024-12-16 DOI:10.1021/acschembio.4c00551
Matthew A Larsen, Mike Valley, Natasha Karassina, Hui Wang, Wenhui Zhou, Jolanta Vidugiriene
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引用次数: 0

Abstract

The regulation of reactive oxygen species (ROS) such as superoxide (SO) and nitric oxide (NO) is crucial in biology, influencing metabolism and signaling pathways. Imbalances in these species lead to oxidative stress and various diseases. Traditional methods for measuring SO and NO face challenges in terms of sensitivity and specificity, particularly in complex biological matrices. This report introduces bioluminescent probes that leverage the intrinsic sensitivity of bioluminescence for direct and selective detection of SO and NO. These probes release analogs of d-luciferin upon reaction with their target ROS. Following addition of luciferase, luminescence is generated proportional to the amount of accumulated luciferin, allowing for quantitation of SO or NO. Both probes exhibit high specificity, confirmed through cell-free assays and cell-based studies in macrophages, demonstrating their utility in measuring cellular SO and NO production. These assays offer a robust, high-throughput platform for studying ROS, providing direct insights into oxidative stress-related mechanisms.

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来源期刊
ACS Chemical Biology
ACS Chemical Biology 生物-生化与分子生物学
CiteScore
7.50
自引率
5.00%
发文量
353
审稿时长
3.3 months
期刊介绍: ACS Chemical Biology provides an international forum for the rapid communication of research that broadly embraces the interface between chemistry and biology. The journal also serves as a forum to facilitate the communication between biologists and chemists that will translate into new research opportunities and discoveries. Results will be published in which molecular reasoning has been used to probe questions through in vitro investigations, cell biological methods, or organismic studies. We welcome mechanistic studies on proteins, nucleic acids, sugars, lipids, and nonbiological polymers. The journal serves a large scientific community, exploring cellular function from both chemical and biological perspectives. It is understood that submitted work is based upon original results and has not been published previously.
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