Selective actions of prolactin on catecholamine turnover in the hypothalamus and on serum LH and FSH

G A GudelskyK E Moore


The effects of prolactin (PRL) administration on catecholamine turnover in various brain regions of ovariectomized rats were determined by observing the decline of dopamine and norepinephrine concentrations after alpha-methyltyrosine (alphaMT) administration. PRL had no effect on the steady state concentration of dopamine in the median eminence, anterior hypothalamus and corpus striatum or on the norepinephrine concentration in the anterior hypothalamus. However, PRL selectively enhanced dopamine turnover in the median eminence and anterior hypothalamus after a latent period of 10-26 h. In addition, PRL administration significantly decreased serum concentrations of LH and FSH. These results suggest that the PRL-induced increase in activity of dopaminergic neurons in the median eminence or anterior hypothalamus may be responsible for the reduction of the post-castration rise in serum concentrations of LH and FSH.


Jan 1, 1977·Journal of Neural Transmission·D C EikenburgK E Moore
May 6, 1983·European Journal of Pharmacology·B H DuvilanskiL Debeljuk
Jul 1, 1987·Neuropharmacology·K E MooreK J Lookingland
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Jan 1, 1989·Progress in Neurobiology·N Ben-JonathanJ F Hyde
Jun 1, 1980·Molecular and Cellular Endocrinology·B S McEwen
Jan 1, 1982·Psychoneuroendocrinology·A N EliasM K Grossman
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Sep 1, 1991·Neuropharmacology·S A Berry, G A Gudelsky
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Jul 1, 1986·Metabolism: Clinical and Experimental·N MillerA M Walker
Jan 1, 1987·The Anatomical Record·W F Silverman, R J Walsh
Jan 1, 1982·Progress in Neuro-psychopharmacology & Biological Psychiatry·K E Moore, K T Demarest
Jan 3, 2015·Physiology & Behavior·Nathália de Azevedo CaminDaniela Cristina Ceccatto Gerardin
Mar 1, 1981·Archives of Andrology·U Hermanns, E S Hafez
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