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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

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NADPH oxidases in bone and cartilage homeostasis and disease: A promising therapeutic target

Adam M Wegner1, Dominik R Haudenschild2

  • 1OrthoCarolina, Winston-Salem Spine Center, Winston-Salem, North Carolina.

Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society
|April 15, 2020
PubMed

Insights

Reactive oxygen species (ROS), produced by NADPH oxidase (Nox) enzymes, impact bone and joint health. Targeting Nox enzymes may offer new therapeutic strategies for bone diseases like osteoporosis and arthritis.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Physiology

Background:

  • Reactive oxygen species (ROS) are crucial signaling molecules generated by NADPH oxidase (Nox) enzymes.
  • ROS and Nox enzymes are well-established players in cardiovascular physiology and pathophysiology.
  • Emerging evidence links ROS and Nox enzymes to bone homeostasis and joint diseases.

Purpose of the Study:

  • To review the role of Nox enzymes in bone and joint physiology and pathobiology.
  • To highlight the potential of Nox enzymes as therapeutic targets.

Main Methods:

  • Literature review focusing on ROS, Nox enzymes, and their impact on bone and joint signaling pathways.
  • Analysis of studies investigating the mechanistic links between ROS, signal transduction, and matrix metalloproteinase expression.

Main Results:

  • ROS generated by Nox enzymes influence bone homeostasis and are implicated in osteoporosis.
  • ROS and Nox enzymes play roles in inflammatory arthritis and osteoarthritis.
  • ROS affect key signaling pathways including TGF-β/Smad and IL-1β/NF-κB, altering matrix metalloproteinase expression.

Conclusions:

  • Nox enzymes are critical regulators of bone and joint pathobiology.
  • Therapeutic targeting of Nox enzymes presents a promising avenue for treating bone and joint disorders.
Keywords:
NADPH oxidaseNox4arthritisbonecartilageosteoporosis

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