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5-Hydroxytryptamine and its putative aetiological involvement in migraine.
J W Lance1, G A Lambert, P J Goadsby
1Department of Neurology, Prince Henry Hospital, School of Medicine, University of New South Wales, Little Bay, Sydney.
Cephalalgia : an International Journal of Headache
|January 1, 1989
Summary
Serotonin (5-hydroxytryptamine or 5-HT) plays a role in migraine pathophysiology. Reduced serotonin levels during headaches suggest its involvement, with treatments targeting serotonin receptors showing promise.
Area of Science:
- Neuroscience
- Pharmacology
- Pathophysiology
Background:
- Reduced platelet 5-hydroxytryptamine (5-HT, serotonin) levels observed during migraine headaches.
- Migraine attacks can be triggered by reserpine (a 5-HT releasing agent) and relieved by serotonin infusion.
- The role of 5-HT in migraine pathophysiology is complex, involving both peripheral and central mechanisms.
Purpose of the Study:
- To explore the role of serotonin (5-HT) in the pathophysiology of migraine.
- To investigate the significance of peripheral versus central 5-HT actions in migraine mechanisms.
- To highlight the potential of 5-HT receptor-specific drugs for migraine treatment.
Main Methods:
- Observational studies on platelet 5-HT levels during migraine.
- Clinical observations of migraine precipitation and relief with agents affecting 5-HT.
- Review of existing literature on 5-HT receptor subtypes and their pharmacological agents.
Main Results:
- Evidence suggests a significant involvement of serotonin (5-HT) in migraine.
- The precise contribution of peripheral vascular effects versus central neurotransmission remains unclear.
- Pharmacological interventions targeting 5-HT receptors demonstrate therapeutic potential.
Conclusions:
- Serotonin (5-HT) is implicated in migraine pathophysiology.
- Further research into 5-HT receptor subtypes and targeted therapies is crucial for improving migraine treatment efficacy.