Related Experiment Video
Updated: Sep 4, 2025

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
Published on: June 2, 2014
Elusive amines: migraine depends on biochemical abnormalities
Giovanni D'Andrea1, Antonina Gucciardi2, Alberta Leon3
1Research & Innovation (R&I), Corso Stati Uniti, 4, 35127, Padova, Italy. giovidavi@virgilio.it.
Migraine and cluster headache may stem from neurotransmitter imbalances due to altered tyrosine and tryptophan metabolism. Chronic headaches show reduced tryptamine, suggesting insufficient serotonergic control.
Area of Science:
- Neuroscience
- Biochemistry
- Metabolic disorders
Background:
- The exact causes of migraine and cluster headache (CH) remain unclear.
- Investigating neurotransmitter and neuromodulator metabolism offers potential insights into primary headache pathogenesis.
Purpose of the Study:
- To explore the role of tyrosine and tryptophan metabolism in primary headaches.
- To identify metabolic abnormalities in episodic migraine, chronic migraine (CM), and chronic tension-type headache (CTTH).
Main Methods:
- Analysis of plasma neurotransmitter and neuromodulator levels.
- Biochemical studies in patients with episodic migraine, CM, and CTTH.
- Hypothesizing metabolic shifts in tyrosine pathways.
Main Results:
- Episodic migraine without aura showed high dopamine, low norepinephrine, and elevated octopamine/synephrine.
- Chronic migraine (CM) patients exhibited significant tyrosine-related metabolite abnormalities.
- Both CM and CTTH patients had lower tryptamine plasma levels.
Conclusions:
- Migraine and CH may arise from metabolic abnormalities in a hyperexcitable, hypoenergetic brain.
- Lower tryptamine levels in CM and CTTH suggest impaired serotonergic control over pain thresholds.
Related Concept Videos
Drug Abuse and Addiction: Pharmacological Phenomena
Drugs Affecting Neurotransmitter Synthesis
Drugs Affecting Neurotransmitter Release or Uptake
Aldehydes and Ketones with Amines: Imine Formation Mechanism
Imines are formed under mildly acidic conditions. A pH of 4.5 is ideal for the reaction.
If the pH is low or the solution is too acidic, the reaction slows down in the...
Amines: Introduction
Structure of Amines

