Involvement of hormones in the swift increase in alcohol metabolism

The purpose of this study was to determine the time course of changes in blood levels of various hormones in C57BL/6J mice during exposure to ethanol vapor. Groups of adult male mice were given 2.0 g per kg ethanol intraperitoneally or as continuous vapor for four hours and rates of ethanol elimination were measured. In parallel, blood samples were collected at timed intervals over 5.5 hours during and following exposure to ethanol. Blood levels of epinephrine, norepinephrine, corticosterone, and glucagon were elevated two- to four-fold during ethanol treatment and declined to basal values within one hour following termination of treatment. Elevated blood levels of epinephrine, norepinephrine and corticosterone were highly correlated with higher rates of ethanol elimination (r = 0.80, 0.78, and 0.72, respectively). In contrast, thyroxine and insulin levels were not affected by ethanol. These findings are consistent with the idea that acute administration of ethanol causes the release of glycogenolytic hormones which in turn increase rates of ethanol metabolism.

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