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  • Title: Effects of drugs on the accumulation and spontaneous release of noradrenaline in the rat anococcygeus muscle.
    Author: Doggrell SA, Woodruff GN.
    Journal: Br J Pharmacol; 1978 Jul; 63(3):465-70. PubMed ID: 667490.
    Abstract:
    1 The ability of drugs to inhibit noradrenaline accumulation and to release noradrenaline was studied in the isolated anococcygeus muscle of the rat. 2 Noradrenaline, tyramine, 2-amino,6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene (ADTN), 2-amino,6,7-dimethoxy-1,2,3,4-tetrahydronaphthalene (dimethyl ADTN), and 5-hydroxytryptamine were all potent inhibitors of noradrenaline accumulation and potent releasers of noradrenaline. ADTN was accumulated by the rat isolated anococcygeus muscle. 3 Amphetamine and desipramine were potent inhibitors of noradrenaline accumulation but poor releasers of noradrenaline. 4 Methoxamine, oxymetazoline, acetylcholine, and angiotensin were poor inhibitors of noradrenaline accumulation and did not release noradrenaline. 5 The mechanism of action of these drugs is discussed.
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