Journal
FRONTIERS IN IMMUNOLOGY
Volume 12, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2021.733918
Keywords
NOX2; ROS; CGD; oxidative stress; systemic inflammation
Categories
Funding
- Wellcome-Beit Prize Trust Clinical Research Career Development Fellowship [098051]
- Imperial College London
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Reactive oxygen species (ROS) derived from phagocyte NADPH oxidase play a crucial role in host defense and immunoregulation. Proper control of ROS levels is essential for preventing infections and regulating normal immunity. Both deficiency and excess of ROS can impact immune function, leading to immunodeficiency or inflammation.
Reactive oxygen species (ROS) derived from the phagocyte NADPH oxidase (NOX2) are essential for host defence and immunoregulation. Their levels must be tightly controlled. ROS are required to prevent infection and are used in signalling to regulate several processes that are essential for normal immunity. A lack of ROS then leads to immunodeficiency and autoinflammation. However, excess ROS are also deleterious, damaging tissues by causing oxidative stress. In this review, we focus on two particular aspects of ROS biology: (i) the emerging understanding that NOX2-derived ROS play a pivotal role in the development and maintenance of adaptive immunity and (ii) the effects of excess ROS in systemic disease and how limiting ROS might represent a therapeutic avenue in limiting excess inflammation.
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