Cited by 892Redox biology and oxidative stressNeutrophil, Myeloperoxidase and Oxidative MechanismsNitric Oxide and Endothelin Effects

Reactive oxygen species and cell signaling: Respiratory burst in macrophage signaling

Forman, Henry Jay, Torres, Martine·2002·American Journal of Respiratory and Critical Care Medicine

Abstract

Phagocytes such as neutrophils and macrophages produce reactive oxygen species (ROS) during phagocytosis or stimulation with a wide variety of agents through activation of nicotinamide adenine dinucleotide phosphate reduced (NADPH) oxidase that is assembled at the plasma membrane from resident plasma membrane and cytosolic protein components. One of the subunits of the phagocyte NADPH oxidase is now recognized as a member of a family of NADPH oxidases, or NOX, present in cells other than phagocytes. Physiologic generation of ROS has been implicated in a variety of physiologic responses from transcriptional activation to cell proliferation and apoptosis. The increase in superoxide and hydrogen peroxide (H2O2) that results from stimulation of the NADPH oxidase is transient, in part due to the presence of the antioxidant enzymes, which return their concentrations to the prestimulation steady state level. Thus, the antioxidant enzymes may function in the “turn-off” phase of signal transduction by ROS. During its transient elevation, H2O2 may act as a modifier of key signaling enzymes through reversible oxidation of critical thiols. The rapid reaction of thiols with H2O2 when in their unprotonated state would provide a potential mechanism for the specificity that is necessary for physiologic cell signaling.

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Registry

Crossref · 10.1164/rccm.2206007

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66 of 66 references verified0 citation errors · 0 not checkable

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  • Alveolar macrophages typically produce lower levels of ROS than neutrophils and may require activation to exhibit their bactericidal properties.

    “The oxidative burst in phagocytes is commonly associated with bacterial killing, but in the case of alveolar macrophages, they typically produce lower levels of ROS than neutrophils and may require their activation to exhibit their bactericidal properties.”

    From The Role of Reactive Species on Innate Immunity (2022) · cites this paper as [101]

  • The transient oxidative burst of alveolar macrophages regulates the inflammatory response by inducing cytokine synthesis for redox signaling, resulting in an influx of activated neutrophils and macrophages.

    “Instead, their transient oxidative burst regulates the inflammatory response by inducing cytokine synthesis for redox signaling, resulting in an influx of activated neutrophils and macrophages [101].”

    From The Role of Reactive Species on Innate Immunity (2022) · cites this paper as [101]

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Authors
Forman, H. J., & Torres, M.
Affiliations
  • University of Southern California (US)
  • Department of Environmental Health Sciences, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; and Department of Pediatrics, Children's Hospital Los Angeles Research Institute, Keck School of Medicine, University of Southern California, Los Angeles, California
Venue
American Journal of Respiratory and Critical Care Medicine
Published
2002-12
Volume
166
Issue
Supplement_1
Pages
S4-S8
ISSN
  • 1073-449X (ISSN-L)
  • 1535-4970
OpenAlex
W1874751834
Cited by
891
References
67
Citations by year
2026: 18 · 2025: 21 · 2024: 23 · 2023: 32 · 2022: 47 · 2021: 44 · 2020: 36 · 2019: 31 · 2018: 44 · 2017: 43 · 2016: 50 · 2015: 43 · 2014: 48 · 2013: 45 · 2012: 44
FWCI
2.28
Type
journal article
Language
en
Open access
closed
Locations
  • American Journal of Respiratory and Critical Care Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Heart, Lung, and Blood Institute (R01HL037556, HL 37556)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Life Sciences › Immunology and Microbiology › Immunology › Neutrophil, Myeloperoxidase and Oxidative Mechanisms
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
Keywords
reactive oxygen species, NADPH oxidase, respiratory burst, macrophages, signal transduction, hydrogen peroxide, superoxide, antioxidant enzymes, thioredoxin reductase, thioredoxin, redox signaling, phagocytes
MeSH terms
Humans, Hydrogen Peroxide, Macrophages, Oxidation-Reduction, Signal Transduction, Respiratory Burst, Protein Tyrosine Phosphatases, Reactive Oxygen Species, Mitogen-Activated Protein Kinases

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