Identification of Peroxynitrite by Profiling Oxidation and Nitration Products from Mitochondria-Targeted Arylboronic Acid.

Identification of Peroxynitrite by Profiling Oxidation and Nitration Products from Mitochondria-Targeted Arylboronic Acid.
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DOI:
10.1007/978-1-0716-1262-0_20
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发表时间:
2021
期刊:
Methods in molecular biology (Clifton, N.J.)
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其他
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The development of boronic probes enabled reliable detection and quantitative analysis of hydrogen peroxide, other nucleophilic hydroperoxides, hypochlorite and peroxynitrite. The major product, in which boronate moiety of the probe is replaced by the hydroxyl group, is however common for all those oxidants. Here, we describe how ortho-isomer of mitochondria-targeted phenylboronic acid can be used to detect and differentiate peroxynitrite-dependent and independent probe oxidation. This method highlights detection and quantification of both the major, phenolic product and the minor, peroxynitrite-specific cyclic and nitrated products of probe oxidation.
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