title: Dramatic increase in pineal melatonin levels in the rat after subcutaneous injection of Des-tyrosine1-gamma-endorphin.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm / Q000187:drug effects; D004305:Dose-Response Relationship, Drug; D004723:Endorphins / Q000494:pharmacology*; D008297:Male; D008550:Melatonin / Q000378:metabolism*; D010446:Peptide Fragments / Q000494:pharmacology*; D010870:Pineal Gland / Q000187:drug effects* / Q000378:metabolism; D051381:Rats; D011919:Rats, Inbred Strains
chemical_list: D004723:Endorphins; D010446:Peptide Fragments; C018903:gamma-endorphin, des-Tyr(1)-; D008550:Melatonin