2019
Kappa-opioid receptors, dynorphin, and cocaine addiction: a positron emission tomography study
Martinez D, Slifstein M, Matuskey D, Nabulsi N, Zheng MQ, Lin SF, Ropchan J, Urban N, Grassetti A, Chang D, Salling M, Foltin R, Carson RE, Huang Y. Kappa-opioid receptors, dynorphin, and cocaine addiction: a positron emission tomography study. Neuropsychopharmacology 2019, 44: 1720-1727. PMID: 31026862, PMCID: PMC6785004, DOI: 10.1038/s41386-019-0398-4.Peer-Reviewed Original ResearchConceptsCocaine use disorderStress-induced relapsePositron emission tomographyCocaine bingeKappa-opioid receptor/dynorphin systemKOR selective agonistPositron emission tomography studyKappa-opioid receptorsCold pressor testCocaine self-administration sessionsEmission tomography studiesSelf-administration sessionsStress-induced cocaineEndogenous dynorphinDynorphin systemHealthy controlsPressor testSelective agonistPET scansAnimal studiesKOR bindingReceptor availabilitySignificant associationBrain regionsEmission tomography
2000
Opiate receptor avidity is increased in rhesus monkeys following unilateral optic tract lesion combined with transections of corpus callosum and hippocampal and anterior commissures
Cohen R, Carson R, Saunders R, Doudet D. Opiate receptor avidity is increased in rhesus monkeys following unilateral optic tract lesion combined with transections of corpus callosum and hippocampal and anterior commissures. Brain Research 2000, 879: 1-6. PMID: 11010998, DOI: 10.1016/s0006-8993(00)02528-2.Peer-Reviewed Original ResearchConceptsOpiate receptor avidityPositron emission tomographyReceptor avidityAnterior commissureCorpus callosumKappa-opiate receptor antagonistUnilateral optic tract lesionRhesus monkeysOptic tract lesionsBrain functional activitySplit animalsIpsilateral changesOptic tractTract lesionsUnilateral lesioningPosterior putamenReceptor antagonistHealthy monkeysLateral cortexOccipital cortexMedial cortexVisual deprivationEmission tomographyTransectionCommissure
1999
Opiate receptor avidity is reduced bilaterally in rhesus monkeys unilaterally lesioned with MPTP
Cohen R, Carson R, Wyatt R, Doudet D. Opiate receptor avidity is reduced bilaterally in rhesus monkeys unilaterally lesioned with MPTP. Synapse 1999, 33: 282-288. PMID: 10421709, DOI: 10.1002/(sici)1098-2396(19990915)33:4<282::aid-syn5>3.0.co;2-5.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineAnimalsBasal GangliaBrainCerebellumCerebral CortexDihydroxyphenylalanineFluorine RadioisotopesFunctional LateralityInfusions, ParenteralLimbic SystemMacaca mulattaNaltrexoneNarcotic AntagonistsOrgan SpecificityReceptors, OpioidReceptors, Opioid, kappaReceptors, Opioid, muTomography, Emission-ComputedConceptsOpiate receptor avidityPositron emission tomographyReceptor avidityKappa-opiate receptor antagonistInitial clinical manifestationBasal ganglia functionBasal ganglia circuitsParkinsonian animalsParkinsonian symptomsAnterior putamenClinical manifestationsDopamine innervationGanglia functionReceptor antagonistInternal carotidGanglia circuitsTreatment responsivenessOpiate pathwaysParkinson's diseaseNormal controlsMild lossEmission tomographyRhesus monkeysPET studiesMPTP
1998
Assessment of Dynamic Neurotransmitter Changes With Bolus or Infusion Delivery of Neuroreceptor Ligands
Endres C, Carson R. Assessment of Dynamic Neurotransmitter Changes With Bolus or Infusion Delivery of Neuroreceptor Ligands. Cerebrovascular And Brain Metabolism Reviews 1998, 18: 1196-1210. PMID: 9809509, DOI: 10.1097/00004647-199811000-00006.Peer-Reviewed Original ResearchBrainCarbon RadioisotopesComputer SimulationDopamineDopamine AntagonistsFlumazenilHumansInfusions, ParenteralInjectionsKineticsMicrodialysisModels, NeurologicalNaltrexoneNarcotic AntagonistsRacloprideRadioligand AssayReceptors, DopamineSalicylamidesSensitivity and SpecificityTomography, Emission-Computed
1992
PET imaging of opiate receptor binding in human epilepsy using [18F]cyclofoxy
Theodore W, Carson R, Andreasen P, Zametkin A, Blasberg R, Leiderman D, Rice K, Newman A, Channing M, Dunn B, Simpson N, Herscovitch P. PET imaging of opiate receptor binding in human epilepsy using [18F]cyclofoxy. Epilepsy Research 1992, 13: 129-139. PMID: 1334456, DOI: 10.1016/0920-1211(92)90068-5.Peer-Reviewed Original ResearchConceptsComplex partial seizuresEEG fociBasal gangliaTemporal lobeBrain regionsPotent opiate antagonistMesial temporal lobeCerebral blood flowOpiate receptor bindingEEG-video monitoringLateral temporal cortexLow specific bindingSpecific bindingPartial seizuresTime-activity dataKappa receptorsOpiate antagonistEpileptic focusHuman epilepsyFrontal cortexIndividual patientsOccipital lobeMean VTBlood flowBlood samples