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Reverse Yeast Two-hybrid System to Identify Mammalian Nuclear Receptor Residues that Interact with Ligands and/or Antagonists
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The aryl hydrocarbon receptor and its xenobiotic ligands: a fundamental trigger for cardiovascular diseases

J F Savouret1, A Berdeaux, R F Casper

  • 1Unité de recherche mixte UMR-S 530, Inserm, Université Paris 5, Centre Universitaire-UFR Biomedicale, 45 rue des Saints-Pères, 75006 Paris, France. jfsavouret@hotmail.com

Nutrition, Metabolism, and Cardiovascular Diseases : NMCD
|August 22, 2003
PubMed

Insights

Tobacco smoking activates the Aryl hydrocarbon Receptor (AhR), a key factor in cardiovascular diseases. Resveratrol, an AhR antagonist, shows potential for preventing and treating these conditions.

Area of Science:

  • Cardiovascular Science
  • Toxicology
  • Nutraceuticals

Background:

  • Tobacco smoking is a major cause of cardiovascular diseases.
  • Aryl hydrocarbons in tobacco tar activate the Aryl hydrocarbon Receptor (AhR).
  • This activation occurs in various cardiovascular organs.

Purpose of the Study:

  • To re-evaluate tobacco smoking's role in cardiovascular disease through the lens of AhR activation.
  • To explore the implications of AhR activation for epidemiological concepts like the Mediterranean diet and French paradox.
  • To review resveratrol's potential as an AhR antagonist for cardiovascular health.

Main Methods:

  • Literature review and synthesis of existing research on AhR, tobacco smoking, and cardiovascular diseases.
  • Analysis of epidemiological data in relation to AhR activation pathways.
  • Examination of preclinical and clinical studies on resveratrol's effects.

Main Results:

  • Tobacco smoke components activate the Aryl hydrocarbon Receptor (AhR), contributing to cardiovascular pathology.
  • AhR activation provides a potential mechanistic link for understanding cardiovascular risks associated with smoking.
  • Resveratrol demonstrates properties as a natural AhR antagonist, suggesting therapeutic potential.

Conclusions:

  • AhR activation by tobacco smoke is a significant, reconsidered factor in cardiovascular disease development.
  • Understanding AhR modulation may offer new perspectives on dietary influences (e.g., Mediterranean diet, French paradox) on cardiovascular health.
  • Resveratrol presents a promising avenue for the prevention and treatment of cardiovascular diseases via AhR antagonism.

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