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Nat Rev Immunol. 2013 May;13(5):349-61. doi: 10.1038/nri3423.

Beyond oxidative stress: an immunologist's guide to reactive oxygen species.

Author information

1
Department of Microbiology and Immunology, Weill Cornell Medical College, Cornell University, New York, New York 10065, USA. cnathan@med.cornell.edu

Abstract

Reactive oxygen species (ROS) react preferentially with certain atoms to modulate functions ranging from cell homeostasis to cell death. Molecular actions include both inhibition and activation of proteins, mutagenesis of DNA and activation of gene transcription. Cellular actions include promotion or suppression of inflammation, immunity and carcinogenesis. ROS help the host to compete against microorganisms and are also involved in intermicrobial competition. ROS chemistry and their pleiotropy make them difficult to localize, to quantify and to manipulate - challenges we must overcome to translate ROS biology into medical advances.

PMID:
23618831
PMCID:
PMC4250048
DOI:
10.1038/nri3423
[Indexed for MEDLINE]
Free PMC Article

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