1993
7-Benzylidenenaltrexone (BNTX): A selective δ1 opioid receptor antagonist in the mouse spinal cord
Sofuoglu M, Portoghese P, Takemori A. 7-Benzylidenenaltrexone (BNTX): A selective δ1 opioid receptor antagonist in the mouse spinal cord. Life Sciences 1993, 52: 769-775. PMID: 8383271, DOI: 10.1016/0024-3205(93)90240-4.Peer-Reviewed Original ResearchConceptsAntinociceptive ED50 valueDELT IIED50 valuesDelta opioid receptor subtypesOpioid receptor subtypesDelta-opioid receptorsSubtype-selective agonistsAntinociceptive ED50Spinal sitesOpioid receptorsReceptor subtypesSelective agonistBNTXDPDPEMiceAdministrationHand administrationAntinociceptionRecent reportsDAMGONaltribenMorphineAgonistsAntagonistED50
1992
Maintenance of acute morphine tolerance in mice by selective blockage of κ opioid receptors with norbinaltorphimine
Sofuoglu M, Portoghese P, Takemori A. Maintenance of acute morphine tolerance in mice by selective blockage of κ opioid receptors with norbinaltorphimine. European Journal Of Pharmacology 1992, 210: 159-162. PMID: 1318206, DOI: 10.1016/0014-2999(92)90666-r.Peer-Reviewed Original ResearchConceptsMorphine injectionSelective kappa opioid antagonistED50 valuesKappa-opioid antagonistAcute morphine toleranceTail-flick assayDevelopment of toleranceKappa-opioid sitesAntinociceptive ED50 valueNon-pretreated controlsSupraspinal sitesOpioid toleranceMorphine administrationControl miceMorphine sulfateMorphine toleranceOpioid agonistsOpioid antagonistSpinal sitesSingle doseOpioid receptorsOpioid sitesMorphineMiceSelective blockage
1991
Cross-tolerance studies in the spinal cord of β-FNA-treated mice provides further evidence for delta opioid receptor subtypes
Sofuoglu M, Portoghese P, Takemori A. Cross-tolerance studies in the spinal cord of β-FNA-treated mice provides further evidence for delta opioid receptor subtypes. Life Sciences 1991, 49: pl153-pl156. PMID: 1658509, DOI: 10.1016/0024-3205(91)90397-t.Peer-Reviewed Original ResearchConceptsDelta opioid receptor subtypesOpioid receptor subtypesAntinociceptive effectReceptor subtypesAntinociceptive ED50 valueDelta-opioid receptor-selective peptideCross-tolerance studiesReceptor-selective peptideSpinal cordTolerance developmentFurther evidenceDPDPEED50 valuesMiceDADLEDAMGOSignificant increaseDSLETSame pretreatmentSubtypesAdministrationSelective peptidesCordFNA