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Related Experiment Videos

Raised plasma endothelin during acute migraine attack.

M Färkkilä1, J Palo, O Saijonmaa

  • 1Department of Neurology, University of Helsinki, Finland.

Cephalalgia : an International Journal of Headache
|December 1, 1992
PubMed
Summary

Elevated levels of endothelin-1 (ET-1), a potent vasoconstrictor, were found in migraine patients. This suggests ET-1 may play a role in constricting cerebral vessels during migraine attacks.

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Area of Science:

  • Vascular Biology
  • Neurology
  • Peptide Research

Background:

  • Endothelins are recognized as powerful vasoconstrictor peptides.
  • Migraine is a complex neurological disorder often associated with vascular changes.

Purpose of the Study:

  • To investigate plasma endothelin-1 (ET-1) concentrations in migraine patients.
  • To explore the potential role of ET-1 in the pathophysiology of migraine attacks.

Main Methods:

  • Plasma ET-1 levels were quantified in eight migraine patients and compared to control subjects.
  • Measurements were taken during acute migraine attacks, with and without aura.

Main Results:

  • Mean ET-1 levels were significantly higher in migraine patients (10.6 pg/ml) compared to controls (3.8 pg/ml).

Related Experiment Videos

  • Elevated ET-1 was observed in all tested migraine patients.

    • Conclusions:

    • Plasma ET-1 concentrations are elevated during migraine attacks.
    • Endothelin-1 may contribute to cerebral vasoconstriction in the early stages of a migraine attack.