Role of Nrf2 in the pathogenesis of atherosclerosis

Junsei Mimura1, Ken Itoh1

  • 1Department of Stress Response Science, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.

Insights

The Nrf2 signaling pathway influences atherosclerosis development by modulating key processes like lipid regulation and inflammation. Targeting Nrf2 may offer a novel therapeutic strategy for preventing this chronic inflammatory vascular disease.

Area of Science:

  • Cardiovascular Biology
  • Molecular Medicine
  • Inflammation Research

Background:

  • Atherosclerosis is a chronic inflammatory disease affecting arterial walls, with over 100 genes implicated in its development.
  • The Nuclear factor erythroid 2-related factor 2 (Nrf2) signaling pathway is crucial for oxidative stress response and drug metabolism.
  • Nrf2 signaling is increasingly recognized for its complex role in the physiological and pathophysiological processes underlying atherosclerosis progression.

Purpose of the Study:

  • To explore the multifaceted role of the Nrf2 signaling pathway in atherosclerosis.
  • To understand how Nrf2 modulates key cellular processes involved in the development of atherosclerosis.
  • To evaluate the potential of targeting the Nrf2 pathway as a therapeutic strategy for atherosclerosis prevention.

Main Methods:

  • Review of existing literature on Nrf2 signaling and atherosclerosis.
  • Analysis of studies investigating Nrf2's influence on lipid homeostasis, foam cell formation, macrophage polarization, redox balance, and inflammation.
  • Examination of experimental animal models demonstrating both pro- and anti-atherogenic effects of Nrf2.

Main Results:

  • Nrf2 signaling significantly impacts lipid homeostasis and foam cell formation.
  • Nrf2 activity influences macrophage polarization and inflammatory responses within the arterial wall.
  • Experimental models show dual effects of Nrf2, highlighting its complex involvement in atherosclerosis.
  • Nrf2 plays a critical role in regulating redox balance, a key factor in vascular disease.

Conclusions:

  • The Nrf2 pathway is intricately linked to multiple facets of atherosclerosis development and progression.
  • Nrf2 exhibits context-dependent pro- and anti-atherogenic activities.
  • Targeting the Nrf2 signaling pathway presents a promising avenue for the development of novel atherosclerosis prevention strategies.

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