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Changes in rat hypothalamic and brain stem catecholamine concentrations following acute administration of
Neuroscience Letters
|October 20, 1980
Abstract:
The effect of acute phenylethanolamine-N-methyltransferase (PNMT) inhibition on rat brain catecholamine concentrations was studied. All PNMT inhibitors tested were effective in depleting hypothalamic and brain stem epinephrine. Norepinephrine concentrations were unaffected; however, dopamine levels were increased in all areas studied. While several possible explanations are offered for this phenomenon, the mechanism is not yet understood.