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Behavioral Interactions Of Opioid Agonists And Antagonists With Serotonergic Systems, David J. Mokler, Richard H. Rech, Randall L. Commissaris, Judith W. Henck
Behavioral Interactions Of Opioid Agonists And Antagonists With Serotonergic Systems, David J. Mokler, Richard H. Rech, Randall L. Commissaris, Judith W. Henck
Biomedical Sciences Faculty Publications
Morphine interacts with brain serotonergic (5-HT) systems; these systems have been implicated in morphine analgesia and dependence (see Cervo et al., 1981). The 5-HT agonist quipazine induces analgesia in rats that is attenuated by naloxone and 5-HT antagonists (Minnema et al., 1980; Samanin et al., 1976). Behavioral disruption by the hallucinogens LSD, DMT and mescaline, mediated primarily through brain 5-HT effects (Rech and Commissaris, 1982), is potentiated by naloxone and naltrexone (Commissaris et al., 1980; Ruffing and Domino, 1981) and is variably antagonized or potentiated by morphine and methadone (Ruffing and Domino, 1981). Cyclazocine causes a disruption of operant behavior …