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Transitory decrease in platelet monoamine-oxidase activity during migraine attacks.

V Glover, M Sandler, E Grant

    Lancet (London, England)
    |February 19, 1977
    PubMed
    Summary
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    Platelet monoamine-oxidase activity significantly decreases during migraine attacks. This finding was independent of common migraine medications, suggesting a direct link to the migraine condition itself.

    Area of Science:

    • Biochemistry
    • Neurology
    • Pharmacology

    Background:

    • Migraine is a complex neurological disorder.
    • Monoamine oxidase (MAO) enzymes play a role in neurotransmitter metabolism.
    • Platelet MAO activity is a potential biomarker.

    Purpose of the Study:

    • To investigate changes in platelet monoamine-oxidase activity in migraine patients.
    • To determine if these changes correlate with migraine attacks.
    • To assess the influence of common migraine therapies on this activity.

    Main Methods:

    • Enzyme activity assays were performed on platelets.
    • Comparisons were made between migraine patients during attacks and outside attacks.
    • Subjects' medication use was recorded and analyzed.

    Related Experiment Videos

    Main Results:

    • A highly significant decrease in platelet monoamine-oxidase activity was observed during migraine attacks.
    • This reduction was statistically significant compared to periods without an attack.
    • The observed effect was not attributable to commonly used migraine treatment drugs.

    Conclusions:

    • Platelet monoamine-oxidase activity is significantly altered during migraine attacks.
    • This alteration appears to be an intrinsic feature of the migraine state, not a drug effect.
    • Further research into MAO's role in migraine pathophysiology is warranted.