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Monoamine oxidase activity in blood platelets of migraine patients
M M Caramona1, M D Cotrim, C F Ribeiro
1Laboratório de Farmacologia, Faculdade de Farmácia, Coimbra, Portugal.
Abstract:
Biochemical changes in platelets of migraine patients during the attacks have been reported before, however there are some conflicting results. In an attempt to define the biochemical lesion in the platelets, we have carried out a survey of platelets monoamine oxidase in migraine patients with and without aura. Platelet MAO activity in platelets from migraine patients was significantly reduced when compared with normal platelets.
Insights
Platelet monoamine oxidase (MAO) activity is significantly reduced in migraine patients. This finding helps clarify biochemical changes in platelets during migraine attacks, offering insights into the condition's underlying mechanisms.
Area of Science:
- Neurology
- Biochemistry
- Hematology
Background:
- Platelet biochemical changes during migraine attacks are documented but yield conflicting results.
- Understanding these changes is crucial for elucidating migraine pathophysiology.
Purpose of the Study:
- To investigate platelet monoamine oxidase (MAO) activity in migraine patients.
- To compare MAO activity between migraineurs with and without aura and healthy controls.
Main Methods:
- Assessed platelet monoamine oxidase (MAO) activity.
- Included migraine patients (with and without aura) and a control group.
Main Results:
- Significantly reduced platelet MAO activity was observed in migraine patients compared to normal controls.
- This reduction was consistent across migraine subtypes studied.
Conclusions:
- Platelet MAO deficiency is a potential biochemical marker in migraine.
- Further research is warranted to explore the role of MAO in migraine pathogenesis.