Several lines of evidence suggest that the endogenous opioid peptides endorphins may
play a role in the defensive response of the organism to stress. The present paper …

Since the isolation of the enkephalins five yr ago, there has been an explosive increase in
knowledge concerning the effects of the opiates and opioid peptides. This review deals with …

Physical exercise stimulates the secretion of several anterior pituitary hormones. Both ACTH
and/8-endorphin (the COOH-terminal end of/8-lipotropin) are synthesized in the pituitary …

Corticotropin-releasing hormone immunoactivity (CRHi) was measured in the plasma of 31
pregnant women and 6 nonpregnant women as well as in the umbilical cord plasma of 40 …

Corticotropin-releasing hormone was measured in the plasma of 11 0 pregnant women and
in the umbilical cord plasma of 25 premature infants and 43 infants born at term. Mean …

Opioid peptides found in the general circulation can modulate several functions of
phagocytic cells that are related to their microbicidal and cytotoxic activity. Since reactive …

Previous studies in female monkeys have shownthat β-endorphin (β-EP) of hypothalamic
origin is present inhigh concentrations in the hypophyseal portal blood and declinesat the …

Concentrations of β-endorphin were measured in the venous effluent of the hypothalamus
(hypophyseal portal blood) at various phases of the menstrual cycle and after ovariectomy in …

Abstract β-Endorphin immunoactivity was measured in the plasma of 50 pregnant women,
25 nonpregnant women, 19 women during labor, and 25 women at the time of vaginal …

Normal responses to metyrapone were observed in most steady-state methadone
maintained treatment patients. These preliminary studies suggest that in recently detoxified …