Abstract
SEVERAL reports have indicated a relationship between the pituitary-adrenal secretion of steroids and brain serotonin (5-hydroxytryptamine) in the rat1,2. Serotonin is believed to be a transmitter or regulator of neuronal function. We have previously investigated the effects of altering brain serotonin concentrations on the daily fluctuation of the pituitary-adrenal system3. We have investigated this problem further, by evaluating the response of the pituitary-adrenal system to a stress stimulus in the rat. Our approach was to either inhibit brain serotonin synthesis with p-chlorophenylalanine (PCPA), or to raise the concentration of serotonin with precursors such as tryptophan or 5-hydroxytryptophan (5-HTP)4.
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BERGER, P., BARCHAS, J. & VERNIKOS-DANELLIS, J. Serotonin and pituitary-adrenal function. Nature 248, 424–426 (1974). https://doi.org/10.1038/248424a0
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DOI: https://doi.org/10.1038/248424a0
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