Induction of copulatory behavior in sexually inactive rats by naloxine.
作者： G. Gessa , E Paglietti , B. Quarantotti
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摘要: The intraventricular injection of D-alanine-methionine-enkephalinamide (D-Ala2-Met-enkephalinamide), a synthetic analog Met-enkephalin that is resistant to enzymatic degradation, inhibits copulatory behavior in sexually vigorous male rats doses which do not influence motor activity or feeding behavior. This effect prevented by naloxone, specific inhibitor opioid receptors. In addition, injections naloxone induce inactive rats. These results suggest endorphins play an important role the regulation sexual
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