Reports

L-Dopa: Effect on Concentrations of Dopamine, Norepinephrine, and Serotonin in Brains of Mice

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Science  15 May 1970:
Vol. 168, Issue 3933, pp. 849-850
DOI: 10.1126/science.168.3933.849

Abstract

Large doses of L-dopa given to mice produced marked increases in brain dopamine, no change in norepinephrine, and a remarkable decrease in brain serotonin. This reduction apparently results from a release or displacement, or both, of serotonin from its storage sites.