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Updated: Jun 6, 2026
02:26
Intracranial Pharmacotherapy and Pain Assays in Rodents
Published on: April 9, 2019
Catechol-O-methyltransferase and pain
Oleg Kambur1, Pekka T Männistö
1Division of Pharmacology and Toxicology, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland.
International Review of Neurobiology
|November 25, 2010
Summary
Catechol-O-methyltransferase (COMT) activity influences pain perception. Low COMT activity is linked to increased pain sensitivity in humans and animals, while its role in chronic pain varies by condition.
Area of Science:
- Neuroscience
- Pharmacology
- Genetics
Background:
- Catechol-O-methyltransferase (COMT) plays a role in neurotransmitter metabolism.
- COMT activity affects pain signaling pathways.
- Genetic variations in COMT influence pain sensitivity.
Purpose of the Study:
- To investigate the complex role of COMT activity in various pain models.
- To explore the relationship between COMT genetic polymorphisms and human pain perception.
- To understand the mechanisms underlying COMT's influence on pain.
Main Methods:
- Animal models of acute, inflammatory, and neuropathic pain.
- COMT knockout and overexpression mouse models.
- Analysis of human pain studies focusing on COMT single nucleotide polymorphisms (SNPs) and haplotypes.
Main Results:
- COMT inhibitors and low COMT activity are generally pro-nociceptive in acute and inflammatory pain.
- Low COMT activity increases sensitivity to pain stimuli and alters opioid/stress analgesia.
- In neuropathic pain, COMT inhibition can be antinociceptive; COMT activity's chronic pain role is condition-dependent.
- Low COMT activity is associated with increased pain sensitivity in humans, particularly with specific haplotype combinations.
Conclusions:
- COMT activity has a complex, context-dependent role in pain modulation.
- Genetic variations in COMT significantly impact human pain perception.
- Understanding COMT's function is crucial for developing targeted pain therapies.
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