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Related Experiment Videos

Platelet monoamine oxidase activity and headache

V Glover, R Peatfield, R Zammit-Pace

    Journal of Neurology, Neurosurgery, and Psychiatry
    |September 1, 1981
    PubMed
    Summary

    Platelet monoamine oxidase (MAO) activity is reduced in male patients with migraine, tension, or cluster headaches. This low MAO activity appears to be a persistent feature in some individuals.

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    Area of Science:

    • Neuroscience
    • Biochemistry

    Background:

    • Platelet monoamine oxidase (MAO) is an enzyme involved in neurotransmitter metabolism.
    • Altered MAO activity has been implicated in various neurological disorders, including headaches.

    Purpose of the Study:

    • To investigate platelet monoamine oxidase activity in patients with different types of headaches.
    • To determine if low MAO activity is a persistent feature in headache patients.

    Main Methods:

    • Assayed platelet monoamine oxidase activity in male and female patients with classical migraine, tension headache, and cluster headache.
    • Re-assayed activity in a subset of migraine patients over several years.

    Main Results:

    • Significantly reduced mean platelet MAO activity was observed in male patients with migraine and tension headache compared to controls.

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  • Male cluster headache patients also exhibited notably reduced MAO activity during both acute and quiescent phases.
  • Low platelet MAO activity was found to be a persistent characteristic in some migraine patients, with high test-retest correlation.
  • No association was found between platelet MAO activity and dietary triggers for migraine.

    • Conclusions:

    • A subgroup of headache patients, particularly males, may be characterized by persistently low platelet monoamine oxidase activity.
    • This finding suggests a potential biomarker or pathophysiological link involving MAO in certain headache disorders.