Abstract
Long-sleep (LS) and Short-sleep (SS) male mice were treated chronically with alcohol for 30 days. Ethanol treated mice were withdrawn from alcohol diet at 8, 12, 16, 20, 24 and 30 days of treatment for the assessment of metabolic tolerance and numerous parameters associated with the microsomal cytochrome P-450 complex. Up to 20 days of ethanol treatment, LS and SS mice displayed nearly the same enhancement of in vivo ethanol elimination rates. At 24 and 30 days of ethanol treatment, LS mice were found to have significantly greater ethanol elimination rates than SS mice chronically treated with alcohol. The induction of microsomal cytochrome P-450 content and microsomal ethanol oxidation paralleled the acquisition of metabolic tolerance with LS mice displaying significantly greater values of both microsomal parameters at 24 and 30 days of treatment. Aniline hydroxylase was maximally induced (2.5 fold) in both LS and SS mice by 16 days of treatment. Chronic ethanol treatment resulted in a significant induction of ethylmorphine and benzphetamine N-demethylase activity in both LS and SS mice with the SS selected line showing a greater (P<.05) maximal induction. These data are suggestive that the induction of MEOS may have some significance in the acquisition of metabolic tolerance to ethanol and that there may be a genetic predisposition for these adaptive responses.
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Petersen, D.R., Atkinson, N. (1980). Genetically Mediated Responses of Microsomal Ethanol Oxidation in Mice. In: Thurman, R.G. (eds) Alcohol and Aldehyde Metabolizing Systems-IV. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-1419-7_13
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DOI: https://doi.org/10.1007/978-1-4757-1419-7_13
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