GABA and "neuro-cardiovascular" mechanisms
1Institut Henri Beaufour, 72 Avenue des Tropiques, 91940 Les Ulis, France.
Neurochemistry International
|May 22, 2010
Summary
Gamma-aminobutyric acid (GABA) may regulate cardiovascular function. Evidence suggests GABA-ergic mechanisms are linked to stress, anxiety, and hypertension, major human health issues.
Area of Science:
- Neuroscience
- Cardiovascular Physiology
- Pharmacology
Background:
- Gamma-aminobutyric acid (GABA) is a primary inhibitory neurotransmitter in the vertebrate central nervous system (CNS).
- GABA administration causes a hypotensive effect and is found in blood.
- GABA receptors are present in cerebral blood vessels.
Purpose of the Study:
- To explore the role of GABA in cardiovascular regulation.
- To investigate the potential involvement of GABA-ergic mechanisms in the pathway from environmental stress and anxiety to atherosclerosis and hypertension.
Main Methods:
- Review of existing literature on GABA's physiological effects.
- Analysis of pharmacological evidence regarding GABA receptor interactions (antagonism by bicuculline/picrotoxin, facilitation by benzodiazepines).
Main Results:
- GABA's presence in the CNS and blood, its hypotensive action, and the existence of its receptors in cerebral vessels support its role in cardiovascular control.
- Pharmacological data further implicates GABA in cardiovascular regulation.
Conclusions:
- GABA is significantly involved in the regulation of cardiovascular function.
- Modulation of GABA-ergic pathways may offer therapeutic targets for managing stress-related cardiovascular diseases like hypertension.
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