Neuroendocrinological effects of L-threo-3, 4-dihydroxyphenylserine (DOPS), a putative norepinephrine precursor, on healthy volunteers. 1990

J Semba, and M Nankai, and Y Okubo, and M Kato, and M Matsuura, and R Takahashi
Department of Neuropsychiatry, Faculty of Medicine, Tokyo Medical and Dental University.

The effect of L-threo-3, 4-dihydroxyphenylserine (DOPS) on plasma cortisol, prolactin, thyrotropin-stimulating hormone (TSH) and growth hormone concentrations was studied in nine healthy male volunteers. The drug was administered orally (300 mg or 600 mg DOPS) using a multiple crossover placebo-controlled study design. Plasma hormone concentrations were measured at 30 minute intervals for 3 hours after dosing. Plasma DOPS peak concentrations were observed between 2 and 3 hours after dosing. DOPS, however, had no effect on plasma hormone concentrations and this may be attributed to the known low brain permeability of DOPS in healthy subjects.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D008734 Methoxyhydroxyphenylglycol Synthesized from endogenous epinephrine and norepinephrine in vivo. It is found in brain, blood, CSF, and urine, where its concentrations are used to measure catecholamine turnover. Hydroxymethoxyphenylglycol,MHPG,MOPEG,Vanylglycol,4-Hydroxy-3-methoxyphenylethylene Glycol,4-Hydroxy-3-methoxyphenylethyleneglycol,4-Hydroxy-3-methoxyphenylglycol,Methoxyhydroxyphenylglycol, (+)-Isomer,Methoxyhydroxyphenylglycol, (+-)-Isomer,Methoxyhydroxyphenylglycol, (-)-Isomer,4 Hydroxy 3 methoxyphenylethylene Glycol,4 Hydroxy 3 methoxyphenylethyleneglycol,4 Hydroxy 3 methoxyphenylglycol
D011388 Prolactin A lactogenic hormone secreted by the adenohypophysis (PITUITARY GLAND, ANTERIOR). It is a polypeptide of approximately 23 kD. Besides its major action on lactation, in some species prolactin exerts effects on reproduction, maternal behavior, fat metabolism, immunomodulation and osmoregulation. Prolactin receptors are present in the mammary gland, hypothalamus, liver, ovary, testis, and prostate. Lactogenic Hormone, Pituitary,Mammotropic Hormone, Pituitary,Mammotropin,PRL (Prolactin),Hormone, Pituitary Lactogenic,Hormone, Pituitary Mammotropic,Pituitary Lactogenic Hormone,Pituitary Mammotropic Hormone
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006854 Hydrocortisone The main glucocorticoid secreted by the ADRENAL CORTEX. Its synthetic counterpart is used, either as an injection or topically, in the treatment of inflammation, allergy, collagen diseases, asthma, adrenocortical deficiency, shock, and some neoplastic conditions. Cortef,Cortisol,Pregn-4-ene-3,20-dione, 11,17,21-trihydroxy-, (11beta)-,11-Epicortisol,Cortifair,Cortril,Epicortisol,Hydrocortisone, (11 alpha)-Isomer,Hydrocortisone, (9 beta,10 alpha,11 alpha)-Isomer,11 Epicortisol
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000704 Analysis of Variance A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable. ANOVA,Analysis, Variance,Variance Analysis,Analyses, Variance,Variance Analyses
D012694 Serine A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids. L-Serine,L Serine

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