An advanced electron spin resonance (ESR) spin-trapping and LC/(ESR)/MS technique for the study of lipid peroxidation

22Citations
Citations of this article
57Readers
Mendeley users who have this article in their library.

Abstract

There are two types of nutritionally important polyunsaturated fatty acids (PUFAs), namely ω-6s and ω-3s. PUFAs and their metabolites generated from lipid peroxidation via cyclooxygenase (COX) and lipoxygenase (LOX) are believed to be involved in a variety of physiological and pathological processes in the human body. Both COX- and LOX-catalyzed PUFA peroxidation are complex events that generate a series of radicals, which may then bind proteins, target DNA/RNA, and lead to a number of biological changes. However, due to the lack of an appropriate method, it was not possible until recently to identify the short-lived PUFA-derived radicals in COX-/LOX-catalyzed peroxidation. Failure to characterize free radicals during peroxidation has greatly restricted our knowledge about COX/LOX biology in human health. Here we review the development and refinement of combined ESR spin trapping and LC/ESR/MS to characterize PUFA-derived radicals formed from in vitro (cell-free) peroxidation. We also present the most recent approach for studying peroxidation in cells which allows us to directly assess the potential bioactivity of PUFA-derived free radicals. This advanced technique has resulted in a major breakthrough in radical structural characterization, as well as assessment of free radical-associated cell growth response, thereby greatly improving our knowledge of PUFAs, COX-/LOX-catalyzed lipid peroxidation, and their related biological consequences. © 2012 by the authors; licensee MDPI, Basel, Switzerland.

Cite

CITATION STYLE

APA

Xu, Y., Gu, Y., & Qian, S. Y. (2012). An advanced electron spin resonance (ESR) spin-trapping and LC/(ESR)/MS technique for the study of lipid peroxidation. International Journal of Molecular Sciences. https://doi.org/10.3390/ijms131114648

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free