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Updated: Jun 28, 2026

Bioluminescence Imaging of NADPH Oxidase Activity in Different Animal Models
10:42

Bioluminescence Imaging of NADPH Oxidase Activity in Different Animal Models

Published on: October 22, 2012

From Defense to Disease: NADPH Oxidase in Cellular Function and Dysregulation

Ankush Prasad1, Renu Kushwaha1, Phaniendra Alugoju1

  • 1Department of Biophysics, Faculty of Science, Palacký University, Šlechtitelů 27, Olomouc, 779 00, Czech Republic, upol.cz.

Journal of Immunology Research
|June 26, 2026
PubMed

Insights

Nicotinamide adenine dinucleotide phosphate hydrogen (NADPH) oxidase enzymes produce reactive oxygen species (ROS), impacting cell differentiation and macrophage polarization. Dysregulation of NOX enzymes is linked to chronic diseases.

Area of Science:

  • Biochemistry
  • Cell Biology
  • Physiology

Background:

  • Nicotinamide adenine dinucleotide phosphate hydrogen (NADPH) oxidase enzymes (NOX1-5, DUOX1, DUOX2) generate reactive oxygen species (ROS).
  • These enzymes have varied tissue distribution and activation pathways.
  • ROS production is crucial for physiological processes including immune defense, wound healing, and cell signaling.

Purpose of the Study:

  • To review the role of NOX enzymes and ROS in biological processes.
  • To focus on NOX involvement in embryonic cell differentiation and monocyte-to-macrophage differentiation.
  • To examine NOX influence on macrophage polarization (M1/M2) and disease pathogenesis.

Main Methods:

  • Literature review of studies on NOX enzymes and ROS.
  • Analysis of NOX expression and function in cell differentiation models.
  • Examination of NOX dysregulation in chronic human diseases.

Main Results:

  • NOX enzymes and ROS are critical for embryonic development and monocyte differentiation.
  • Altered NOX expression affects macrophage polarization towards M1 or M2 phenotypes.
  • NOX dysregulation is implicated in cardiovascular diseases, cancer, diabetes, neurological disorders, and autoimmune diseases.

Conclusions:

  • NOX enzymes play a fundamental role in cell differentiation and macrophage biology.
  • Aberrant NOX activity contributes to the development and progression of numerous chronic human diseases.
  • Targeting NOX pathways may offer therapeutic strategies for various pathologies.
Keywords:
NADPH oxidasesNOX2NOX4cell differentiationhuman diseasesinflammationinnate immune responsemacrophagemononuclear phagocytic systemneutrophilsoxidative stressprotein oxidationreactive oxygen species

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