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[Alcohol and oxidative stress].

O Sergent1, B Griffon, P Cillard

  • 1Laboratoire de biologie cellulaire et végétale, faculté de pharmacie, 2, avenue Pr. Léon Bernard, 35043 Rennes, France.

Pathologie-Biologie
|January 5, 2002
PubMed
Summary

Ethanol toxicity involves oxidative stress, an imbalance favoring reactive oxygen species (ROS). This leads to damage in lipids, proteins, and DNA, impairing cellular functions.

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Area of Science:

  • Biochemistry
  • Toxicology
  • Cell Biology

Context:

  • Ethanol consumption is a significant public health concern.
  • Understanding ethanol's toxic mechanisms is crucial for developing preventative and therapeutic strategies.
  • Oxidative stress is increasingly recognized as a key pathway in ethanol-induced cellular damage.

Purpose:

  • To review the role of oxidative stress in ethanol toxicity.
  • To elucidate the mechanisms by which ethanol induces oxidative stress.
  • To discuss the consequences of ethanol-induced oxidative stress on cellular function.

Summary:

  • Ethanol metabolism generates reactive oxygen species (ROS), disrupting the antioxidant defense system and creating an environment conducive to oxidative stress.
  • Ethanol intoxication leads to an imbalance between prooxidants and antioxidants, causing oxidative damage to biomolecules, including lipids, proteins, and DNA.
  • The review highlights the impairment of cellular functions resulting from this oxidative stress, emphasizing its detrimental effects.

Impact:

  • Provides a comprehensive overview of oxidative stress in ethanol toxicity.
  • Identifies key molecular targets of ethanol-induced oxidative damage.
  • Informs future research directions for mitigating ethanol's harmful effects.

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