Increased Blood Ethanol Elimination in Rats Treated with Halothane
The effect of chronic halothane inhalation and blood ethanol elimination was studied in the rat. Hepatic α-glycerophosphate, oxidase ADH and malic enzyme activities were determined. Malic enzyme activity was also assayed in adipose tissue. Halothane-treated rats showed an increased ethanol eliminati...
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| Autores principales: | , , , |
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| Formato: | Artículo |
| Lenguaje: | inglés |
| Publicado: |
2008
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| Materias: | |
| Acceso en línea: | Ver en el sistema de origen Ver en el sistema de origen Enlace permanente (DOI o Handle) |
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| Sumario: | The effect of chronic halothane inhalation and blood ethanol elimination was studied in the rat. Hepatic α-glycerophosphate, oxidase ADH and malic enzyme activities were determined. Malic enzyme activity was also assayed in adipose tissue. Halothane-treated rats showed an increased ethanol elimination (378 ± 13 vs. 292 ± 19; p < 0.01). Hepatic and adipose tissue malic enzyme activities were significantly enhanced in halothane-treated rats (6.26 ± 1.2 vs. 1.03 ± 0.23; p < 0.002 for the liver and 1.84 ± 0.71 vs. 0.75 ± 0.33 for adipose tissue). Mitochondrial α-glycerophosphate oxidase activity was also significantly increased in the liver of halothane-treated animals (p < 0.05) while no changes in ADH activity were observed. The enhanced ethanol elimination after halothane treatment, a substance which inhibits microsomal enzyme, is possibly due to increased NADH reoxidation. Another possibility explaining augmented ethanol metabolism may be an increased incorporation of ethanol into lipids related to the enhancement of malic enzyme activity. |
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