The influence of alprenolol and amphetamine alone or combined on the content of noradrenaline, dopamine and 5-hydroxytryptamine in seven discrete areas of the brain and on rat behaviour was studied. Animals were treated with drugs for 6 months. Alprenolol caused mainly a decrease of the estimated endogenous amines in different brain areas. Amphetamine caused a decrease of all three amines in some parts of the brain, and reversed some of the changes caused by alprenolol. Alprenolol had no effect on the locomotor activity of rats, but increased the activity of rats treated with amphetamine after the first week of treatment, and antagonized the excitatory effect caused by amphetamine during the following weeks of the experiment.
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Herman, Z.S., Kmieciak-Kołada, K., Drybański, A. et al. The influence of 1-(o-Allylphenoxy)-3-Isopropylamino-2-Propanol Hydrochloride (Alprenolol) on the central nervous system of the rat. Psychopharmacologia 21, 66–73 (1971). https://doi.org/10.1007/BF00403997
- Brain Amines