1998
Upregulation of striatal D2 receptors in the MPTP-treated vervet monkey is reversed by grafts of fetal ventral mesencephalon: an autoradiographic study
Elsworth J, Brittan M, Taylor J, Sladek J, Redmond D, Innis R, Zea-Ponce Y, Roth R. Upregulation of striatal D2 receptors in the MPTP-treated vervet monkey is reversed by grafts of fetal ventral mesencephalon: an autoradiographic study. Brain Research 1998, 795: 55-62. PMID: 9622593, DOI: 10.1016/s0006-8993(98)00252-2.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineAnimalsAutoradiographyBenzofuransBrain Tissue TransplantationChlorocebus aethiopsCorpus StriatumDisease Models, AnimalDopamine AgentsFetal Tissue TransplantationImage Processing, Computer-AssistedIodine RadioisotopesMesencephalonParkinson Disease, SecondaryRadioligand AssayReceptors, Dopamine D2Up-RegulationConceptsFetal ventral mesencephalonD2 receptor bindingVentral mesencephalonDorsal striatumAutoradiographic studyDopamine uptake site densityPostsynaptic dopamine receptor activationVentral striatumDopamine concentrationsStriatal D2 receptor bindingReceptor bindingD2 receptor upregulationPostsynaptic dopamine transmissionTetrahydropyridine-treated monkeysStriatal D2 receptorsDopamine receptor activationPrevious autoradiographic studiesAfrican green monkeysDonor neuronsIntrastriatal graftingParkinsonian primatesNeural transplantationReceptor upregulationStriatal circuitryMotor function
1992
Amphetamine‐stimulated dopamine release competes in vivo for [123I]IBZM binding to the D2 receptor in nonhuman primates
Innis R, Malison R, Al‐Tikriti M, Hoffer P, Sybirska E, Seibyl J, Zoghbi S, Baldwin R, Laruelle M, Smith E, Charney D, Heninger G, Elsworth J, Roth R. Amphetamine‐stimulated dopamine release competes in vivo for [123I]IBZM binding to the D2 receptor in nonhuman primates. Synapse 1992, 10: 177-184. PMID: 1532675, DOI: 10.1002/syn.890100302.Peer-Reviewed Original ResearchConceptsBrain uptakeD2 receptorsD2 receptor antagonist haloperidolSpecific brain uptakeStriatal dopamine levelsAdministration of haloperidolReceptor antagonist haloperidolReceptor antagonist propertiesEndogenous neurotransmitter dopamineNonhuman primate experimentsRate of washoutSingle photon emissionDopamine receptor radioligandReserpine pretreatmentEndogenous dopamineAntagonist haloperidolDopamine levelsD-amphetamineAntagonist propertiesNormothermic conditionsMin postinjectionReceptor radioligandRadioligand bindingEndogenous storesRadiotracer binding