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The aim of the present study was to further characterize the site of action of nicotine-induced hypothalamo-hypophyseal-adrenal (HHA) activation. A systemic injection of nicotine in concentrations of 65-2,100 micrograms/kg elevated serum corticosterone (CS) concentrations in a time and dose-dependent manner. Serum ACTH levels were also significantly(More)
We investigated the involvement of central nervous system nicotinic-acetylcholine receptors in the secretory activity of the hypothalamic-hypophyseal-adrenal axis. Antiacetylcholine receptor antibodies derived from rabbits immunized with purified Torpedo-acetylcholine receptor or from myasthenia gravis patients were injected intracerebroventricularly into(More)
The aim of the present study was to investigate the involvement of central nervous system nicotinic receptors for acetylcholine in the adrenocortical responses to neural stimuli. Adult male rats received a daily intraventricular injection of partially purified nicotinic acetylcholine receptor antibodies (anti-AchR), obtained from a patient with myasthenia(More)
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