L. Chiodo, A. Caggiula, C. Saller
Feb 16, 1981
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Influential Citations
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Quality indicators
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Life sciences
Abstract
Abstract Repeated weekly treatment with 100 μg/kg of estradiol benzoate (EB) to ovariectomized female rats intensified the stereotypy induced by the dopamine agonists amphetamine and apomorphine. A similar effect on amphetamine-stereotypy was produced 48 hours after a single injection of 10 μg/kg of EB. The fact that EB failed to increase blood or brain levels of either 3 H-amphetamine or 3 H-apomorphine suggests that these behavioral effects were not due to altered peripheral drug metabolism or uptake into the brain. The enhancement of stereotypy produced by EB is viewed as one manifestation of a more complex modulatory influence of estrogen on DA function.