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Trace element levels in human alcoholic brain.

M M Khan, B T Ho, C M Davis

    Alcohol (Fayetteville, N.Y.)
    |September 1, 1984
    PubMed
    Summary
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    This study found higher manganese levels in the temporal cortex of human alcoholic brains compared to controls. Age did not affect manganese concentration in this brain region.

    Area of Science:

    • Neuroscience
    • Neurochemistry
    • Toxicology

    Background:

    • Chronic alcohol consumption is associated with neurological deficits.
    • Trace element dysregulation may contribute to alcohol-related brain damage.

    Purpose of the Study:

    • To investigate copper, magnesium, zinc, and manganese levels in the temporal cortex of human alcoholic and control brains.
    • To determine if alcohol abuse alters the concentration of these essential trace elements in brain tissue.

    Main Methods:

    • Atomic absorption spectrophotometry (flame and graphite furnace) was used to quantify ion concentrations.
    • Temporal cortex tissue samples were analyzed from male alcoholic and male control subjects.
    • Covariance analysis was employed to control for potential confounding factors like age.

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    Main Results:

    • A statistically significant increase in manganese concentration was observed in the temporal cortex of alcoholic brains compared to controls.
    • No significant differences were found for copper, magnesium, or zinc levels.
    • Age was not found to be a significant factor influencing manganese levels in the temporal cortex.

    Conclusions:

    • Elevated manganese levels in the temporal cortex may be a biomarker for chronic alcoholism.
    • Further research is needed to elucidate the mechanisms and clinical implications of manganese accumulation in alcoholic brains.
    • Trace element analysis provides insights into the neurochemical changes associated with alcohol use disorder.