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  • Title: Studies on the central action of L-threo-3,4-dihydroxyphenyl-serine (L-threo-DOPS) in FLA-63-treated mice.
    Author: Kato T, Katsuyama M, Karai N, Nakamura M, Katsube J.
    Journal: Pharmacol Biochem Behav; 1987 Feb; 26(2):407-11. PubMed ID: 3106991.
    Abstract:
    In order to clarify the central action of L-threo-DOPS, the effect of benserazide on behavioral and biochemical changes by L-threo-DOPS in FLA-63-treated mice was studied. L-threo-DOPS in combination with nialamide markedly increased both the locomotor activity and the concentrations of the brain, heart and kidney norepinephrine (NE) in the FLA-63-treated mice. Benserazide at low doses did not alter either the rise of the brain NE level or the increase in locomotor activity, whereas it significantly inhibited the rise of the heart and kidney NE levels. Benserazide at a high dose significantly inhibited all of them. These results suggested that the increase in locomotor activity might be mediated via activation of the central noradrenergic neurons system by L-threo-DOPS.
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