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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Pathophysiology

Background:

  • Reactive oxygen species (ROS) are implicated in cardiovascular diseases and cancer pathogenesis.
  • NADPH oxidase (Nox) enzymes are primary sources of ROS.
  • Nox4, a specific Nox enzyme, constitutively produces hydrogen peroxide (H2O2), acting as an oxygen sensor.

Purpose of the Study:

  • To explore experimental studies on the gene, structure, physiological functions, and pathological significance of Nox4.
  • To discuss Nox4 as a potential therapeutic target for cardiovascular diseases and cancer.

Main Methods:

  • Review of experimental studies on Nox4.
  • Analysis of Nox4's role in cellular processes like proliferation, migration, and death.
  • Investigation of Nox4 expression in cancer and endothelial cells.
  • Discussion of Nox4 inhibitors.

Main Results:

  • Nox4 plays diverse roles in cell proliferation, migration, and death.
  • Increased Nox4 expression is linked to cancer metastasis, angiogenesis, and apoptosis.
  • Nox4 in endothelial cells contributes to atherosclerosis, hypertension, and cardiac hypertrophy.

Conclusions:

  • Nox4 is a significant factor in the pathogenesis of various diseases.
  • Nox4 inhibitors represent a potential therapeutic strategy for treating cardiovascular diseases and cancer.