The Opioid Peptide Dynorphin, Circadian Rhythms, and Starvation
作者： R Przewlocki , W Lason , A. Konecka , C Gramsch , A Herz
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摘要: Dynorphin, an opioid peptide whose functions are unknown, is found in brain, pituitary, and peripheral organs. Specific radioimmunoassays were used to measure dynorphin the hypothalamus during day at night, as a function of food water deprivation. Immunoreactive was increased decreased pituitary night. Water deprivation led more than 50 percent reduction daytime levels concomitant increases hypothalamic dynorphin.
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