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3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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Published on: June 2, 2014

What have we learnt from triggering migraine?

Henrik W Schytz1, Guus G Schoonman, Messoud Ashina

  • 1Danish Headache Center and Department of Neurology, Glostrup Hospital, Faculty of Health Sciences, University of Copenhagen, Glostrup, Denmark.

Current Opinion in Neurology
|February 23, 2010
PubMed
Summary
This summary is machine-generated.

Experimental models successfully trigger migraine attacks using substances like glyceryl trinitrate (GTN) and calcitonin gene-related peptide (CGRP), revealing key pathways involved in migraine pathophysiology.

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Area of Science:

  • Neuroscience
  • Pharmacology
  • Medical Research

Background:

  • Migraine is a complex neurological disorder with significant unmet therapeutic needs.
  • Understanding the precise mechanisms of migraine attacks is crucial for developing effective treatments.

Purpose of the Study:

  • To review current knowledge gained from experimental migraine triggering.
  • To identify key pathways and targets for migraine intervention.

Main Methods:

  • Review of experimental studies involving the provocation of migraine-like attacks.
  • Analysis of substances like glyceryl trinitrate (GTN) and calcitonin gene-related peptide (CGRP) in human models.
  • Consideration of findings from recent neuroimaging studies.

Main Results:

  • GTN, CGRP, PACAP38, and PGI2 reliably induce migraine attacks in susceptible individuals.
  • Cyclic guanosine monophosphate (cGMP) and cyclic adenosine monophosphate (cAMP) pathways are implicated in migraine pathophysiology.
  • Current models do not effectively reproduce migraine with aura; certain familial hemiplegic migraine patients show reduced sensitivity to triggers.
  • Neuroimaging suggests underlying neuronal mechanisms driving migraine.

Conclusions:

  • Human migraine models provide valuable insights into different migraine subtypes and drug mechanisms.
  • Integrating advanced imaging techniques with experimental models can enhance understanding of migraine pathophysiology.
  • This research facilitates the development of novel and targeted antimigraine therapies.