title: Involvement of endogenous opioid systems in social behavior of individually-housed mice.
mesh_terms: D000374:Aggression / Q000187:drug effects; D000818:Animals; D004305:Dose-Response Relationship, Drug; D004723:Endorphins / Q000494:pharmacology / Q000502:physiology*; D004743:Enkephalin, Leucine / Q000031:analogs & derivatives / Q000494:pharmacology; D016308:Enkephalin, Leucine-2-Alanine; D006801:Humans; D008297:Male; D008691:Methadone / Q000494:pharmacology; D051379:Mice; D008811:Mice, Inbred DBA; D009020:Morphine / Q000494:pharmacology; D009043:Motor Activity / Q000187:drug effects; D009270:Naloxone / Q000494:pharmacology; D011957:Receptors, Opioid / Q000502:physiology; D012919:Social Behavior; D012934:Social Isolation; D001615:beta-Endorphin
chemical_list: D004723:Endorphins; D011957:Receptors, Opioid; D009270:Naloxone; D004743:Enkephalin, Leucine; D001615:beta-Endorphin; D016308:Enkephalin, Leucine-2-Alanine; D009020:Morphine; D008691:Methadone