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Interactions between taurine and ethanol in the central nervous system
1Department of Neurology, University of California at San Francisco, Emeryville, California, USA. folive@itsa.ucsf.edu
Amino Acids
|November 19, 2002
Summary
The endogenous amino acid taurine modulates alcohol effects in the central nervous system (CNS). Taurine and related compounds show potential for treating alcohol abuse by reducing ethanol self-administration and relapse.
Area of Science:
- Neuroscience
- Pharmacology
- Biochemistry
Background:
- Taurine is a key amino acid in the central nervous system (CNS), vital for osmoregulation, neuroprotection, and neuromodulation.
- Both taurine and ethanol interact with neuronal ligand-gated chloride channels (GABA(A), glycine) and cation channels (NMDA, Ca(2+)).
Purpose of the Study:
- To review the interactions between taurine and ethanol within the CNS.
- To explore taurine's potential as a therapeutic target for alcohol use disorders.
Main Methods:
- Literature review of studies on taurine-ethanol interactions in the CNS.
- Analysis of behavioral, microdialysis, and pharmacological data.
Main Results:
- Taurine alters ethanol's behavioral effects (locomotor, sedative, motivational) in a dose-dependent manner.
- Ethanol consumption increases extracellular taurine levels in various brain regions.
- Taurine and acamprosate reduce ethanol self-administration and relapse in animal and human studies.
Conclusions:
- The endogenous taurine system significantly modulates ethanol's effects on the nervous system.
- Taurine and its derivatives represent a promising therapeutic strategy for alcohol abuse and alcoholism treatment.