How the redox state regulates immunity

Mullen, Lisa, Mengozzi, Manuela, Hanschmann, Eva-Maria, Alberts, Ben and Ghezzi, Pietro (2019) How the redox state regulates immunity. Free Radical Biology and Medicine. ISSN 0891-5849

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Oxidative stress is defined as an imbalance beween the levels of reactive oxygen species (ROS) and antioxidant defences. The view of oxidative stress as a cause of cell damage has evolved over the past few decades to a much more nuanced view of the role of oxidative changes in cell physiology. This is no more evident than in the field of immunity, where oxidative changes are now known to regulate many aspects of the immune response, and inflammatory pathways in particular. Our understanding of redox regulation of immunity now encompasses not only increases in reactive oxygen and nitrogen species, but also changes in the activities of oxidoreductase enzymes. These enzymes are important regulators of immune pathways both via changes in their redox activity, but also via other more recently identified cytokine-like functions. The emerging picture of redox regulation of immune pathways is one of increasing complexity and while therapeutic targeting of the redox environment to treat inflammatory disease is a possibility, any such strategy is likely to be more nuanced than simply inhibiting ROS production.

Item Type: Article
Keywords: redox, inflammation, antioxidants
Schools and Departments: Brighton and Sussex Medical School > Clinical and Experimental Medicine
Subjects: R Medicine
Depositing User: Pietro Ghezzi
Date Deposited: 18 Feb 2020 08:19
Last Modified: 31 Dec 2020 02:00

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