Effect of ethanol on cyclic AMP levels in the rat brain |
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Authors: | L Volicer B I Gold |
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Institution: | Department of Pharmacology, Boston University School of Medicine Boston, Massachusetts 02118, USA |
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Abstract: | Ethanol decreased in a dose-dependent manner the cyclic AMP level in the rat brain and separation of the brain into several parts showed that this decrease was limited to the cerebellum. High doses of ethanol (4–6 g/kg) blocked the rise of cyclic AMP levels induced by decapitation in all brain areas studied. Pentobarbital treatment which produced central depression similar to that caused by a high dose of ethanol, also decreased the cyclic AMP level in the cerebellum but it prevented the postdecapitation rise only in the pons and medulla oblongata. Lower doses of ethanol (1–2 g/kg) enhanced the decapitation-induced rise of cyclic AMP levels in the pons and medulla oblongata. |
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