Chapter title |
Comparison of Toxicity of Taurine and GABA in Combination with Alcohol in 7-Day-Old Mice
|
---|---|
Chapter number | 81 |
Book title |
Taurine 10
|
Published in |
Advances in experimental medicine and biology, January 2017
|
DOI | 10.1007/978-94-024-1079-2_81 |
Pubmed ID | |
Book ISBNs |
978-9-40-241077-8, 978-9-40-241079-2
|
Authors |
Andrey G. Taranukhin, Pirjo Saransaari, Kalervo Kiianmaa, Teemu Gunnar, Simo S. Oja |
Abstract |
Previously, we described the combined toxicity of taurine and alcohol, and assumed hypoglycemia to be one reason of this toxicity. To understand whether taurine-ethanol combined toxicity is exclusively connected to taurine or whether other inhibitory amino acids may have similar effects when combined with ethanol, we tested different doses of gamma-aminobutyric acid (GABA) in combination with ethanol in 7-day-old mice. The minimal dose of GABA in combination with 5 g/kg ethanol which could kill a mouse was 2 g/kg. GABA combined with ethanol at doses of 3 g/kg, 4 g/kg, 6 g/kg induced lethality of 30%, 90% and 100%, correspondingly. Taurine at the doses of 4 and 6 g/kg combined with ethanol induced death in 60 and 100% of mice. Ethanol (5 g/kg), taurine (6 g/kg), GABA (4 g/kg) administered alone and the combination of ethanol (5 g/kg) with taurine (3 g/kg) have no lethal effects. GABA (6 g/kg) applied alone induced 90% lethality. Taurine or GABA alone decreased blood glucose in a dose-depending manner. Ethanol potentiated GABA- and taurine-induced decrease in blood glucose and in some animals it dropped from 8.8 (intact) to a hypoglycemic level 3.1-3.3 mmol/L (GABA 4 g/kg, taurine 6 g/kg), but this may not be considered a single reason of death. We conclude that the combination of GABA and ethanol has a lethal effect and this is stronger than the combined toxicity of ethanol and taurine. |
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