Nrf2-Mediated Dichotomy in the Vascular System: Mechanistic and Therapeutic Perspective

Weiwei Wu1, Andrew Hendrix2, Sharad Nair2,3

  • 1School of Basic Medicine, Qingdao Medical College, Qingdao University, Qingdao 266071, China.

Cells
|October 14, 2022
PubMed

Insights

Nuclear factor-erythroid 2-related factor 2 (Nrf2) plays a dual role in cardiovascular health, offering protection through antioxidant defense but also contributing to maladaptive remodeling and dysfunction in certain diseases.

Area of Science:

  • Cardiovascular Biology
  • Molecular Medicine
  • Transcription Factor Regulation

Background:

  • Nuclear factor-erythroid 2-related factor 2 (Nrf2) is a master regulator of cellular defense mechanisms, controlling over 1000 genes involved in redox balance, metabolism, and protein quality control.
  • While Nrf2 is primarily recognized for its protective antioxidant functions in the cardiovascular system, emerging research highlights its context-dependent detrimental roles.

Purpose of the Study:

  • To review the multifaceted role of Nrf2 in cardiovascular diseases, with a specific emphasis on its impact on vascular disease.
  • To elucidate the negative effects of Nrf2 on the vasculature and explore the underlying molecular mechanisms.
  • To discuss the clinical implications of targeting Nrf2 pathways for therapeutic interventions in cardiovascular and other diseases.

Main Methods:

  • Literature review of existing studies on Nrf2 in cardiovascular diseases.
  • Analysis of research focusing on Nrf2's role in vascular dysfunction.
  • Synthesis of evidence regarding the mechanisms of Nrf2-mediated cardiovascular effects.

Main Results:

  • Nrf2 activation can exert both protective and detrimental effects on the cardiovascular system.
  • Emerging evidence indicates a significant negative impact of Nrf2 on vascular health and function in specific disease contexts.
  • Potential mechanisms for Nrf2's detrimental vascular effects are being identified.

Conclusions:

  • Nrf2's role in cardiovascular disease is complex and context-dependent, extending beyond its known antioxidant functions.
  • Targeting Nrf2 pathways presents a potential therapeutic strategy for cardiovascular diseases, but requires careful consideration of its dual nature.
  • Further research is needed to fully understand and leverage Nrf2 modulation for clinical benefit.

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