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Related Experiment Videos

Free radical changes in methanol toxicity.

Esther M Paula1, D C Mathangi, A Namasivayam

  • 1Department of Physiology, Dr. AML Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani, Chennai.

Indian Journal of Physiology and Pharmacology
|July 17, 2004
PubMed
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Free radicals contribute to methanol toxicity by increasing lipid peroxidation and depleting antioxidant defenses. Vitamin E, a potent antioxidant, effectively protected rats from methanol-induced free radical damage.

Area of Science:

  • Biochemistry
  • Toxicology
  • Pharmacology

Background:

  • Methanol is a toxic alcohol with significant health implications.
  • Free radicals play a crucial role in the pathogenesis of various toxicities.
  • Antioxidant systems are vital for mitigating oxidative stress.

Purpose of the Study:

  • To investigate the role of free radicals in methanol toxicity.
  • To evaluate the efficacy of vitamin E in preventing methanol-induced oxidative damage.

Main Methods:

  • Albino rats were treated with methanol to induce toxicity.
  • Lipid peroxidation levels were measured as an indicator of oxidative stress.
  • Activity of free radical scavenging enzyme systems was assessed.
  • The protective effect of vitamin E was examined in methanol-intoxicated rats.

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Main Results:

  • Methanol intoxication significantly increased lipid peroxidation in rats.
  • Methanol exposure led to the depletion of endogenous free radical scavenging enzyme systems.
  • Administration of vitamin E demonstrated a protective effect against methanol-induced free radical damage.

Conclusions:

  • Free radicals are implicated in the mechanism of methanol toxicity.
  • Vitamin E exhibits antioxidant properties that can counteract methanol-induced oxidative stress and damage.
  • These findings highlight the potential therapeutic role of antioxidants in managing methanol poisoning.