2023
Age-associated sex difference in the expression of mitochondria-based redox sensitive proteins and effect of pioglitazone in nonhuman primate brain
Jamwal S, Blackburn J, Elsworth J. Age-associated sex difference in the expression of mitochondria-based redox sensitive proteins and effect of pioglitazone in nonhuman primate brain. Biology Of Sex Differences 2023, 14: 65. PMID: 37770961, PMCID: PMC10540392, DOI: 10.1186/s13293-023-00551-6.Peer-Reviewed Original ResearchConceptsSubstantia nigraSex-dependent expressionPrimate brainAdult male monkeysCerebrospinal fluidMale monkeysPeroxisome proliferator-activated receptor gamma agonistProliferator-activated receptor gamma agonistsEffect of pioglitazoneWeeks of treatmentReceptor gamma agonistsGreater expressionAdult female monkeysNonhuman primate brainNovel neuroprotective treatmentAfrican green monkeysSex-based differencesOral pioglitazoneNeuroprotective treatmentPIO treatmentRisk factorsCNS disordersGamma agonistsPreclinical studiesParkinson's disease
2021
Expression of PON2 isoforms varies among brain regions in male and female African green monkeys
Jamwal S, Blackburn JK, Elsworth JD. Expression of PON2 isoforms varies among brain regions in male and female African green monkeys. Free Radical Biology And Medicine 2021, 178: 215-218. PMID: 34890766, PMCID: PMC8760629, DOI: 10.1016/j.freeradbiomed.2021.12.005.Peer-Reviewed Original ResearchConceptsAfrican green monkeysParkinson's diseaseBrain regionsParaoxonase 2Different brain regionsFemale monkeysGreen monkeysPON2 expressionOxidative stress-related neurodegenerative disordersFemale African green monkeysNeurodegenerative disordersMale African green monkeysOxidative stressPON2 protein expressionAnti-inflammatory propertiesExpression levelsSignificant differencesBrain tissue samplesDorsolateral prefrontal cortexNeuroprotective strategiesWestern blotting techniquesDopaminergic neuronsPON2 proteinPrimate brainProtective rolePioglitazone transiently stimulates paraoxonase-2 expression in male nonhuman primate brain: Implications for sex-specific therapeutics in neurodegenerative disorders
Blackburn JK, Jamwal S, Wang W, Elsworth JD. Pioglitazone transiently stimulates paraoxonase-2 expression in male nonhuman primate brain: Implications for sex-specific therapeutics in neurodegenerative disorders. Neurochemistry International 2021, 152: 105222. PMID: 34767873, PMCID: PMC8712400, DOI: 10.1016/j.neuint.2021.105222.Peer-Reviewed Original ResearchConceptsPON2 expressionParkinson's diseaseParaoxonase 2Male African green monkeysShort-term animal modelsOxidative stressPeroxisome proliferator-activated receptor gammaEffect of pioglitazoneWeeks of treatmentProliferator-activated receptor gammaNonhuman primate brainParaoxonase-2 expressionRegion-dependent expressionSex-specific therapeuticsAnti-diabetic drug pioglitazoneAfrican green monkeysDorsolateral prefrontal cortexOral pioglitazonePreclinical evidenceSubstantia nigraClinical trialsPON2 mRNAAnimal modelsPioglitazonePrimate brainSex-based disparity in paraoxonase-2 expression in the brains of African green monkeys
Jamwal S, Blackburn JK, Elsworth JD. Sex-based disparity in paraoxonase-2 expression in the brains of African green monkeys. Free Radical Biology And Medicine 2021, 167: 201-204. PMID: 33722626, PMCID: PMC8096713, DOI: 10.1016/j.freeradbiomed.2021.03.003.Peer-Reviewed Original ResearchConceptsAfrican green monkeysParaoxonase 2Parkinson's diseaseBrain regionsGreen monkeysOxidative stressReactive oxygen speciesAnti-inflammatory propertiesSex-based disparitiesParaoxonase-2 expressionDifferent brain regionsNigrostriatal systemPON2 expressionDevelopment of therapeuticsNeurodegenerative disordersDiseaseProtein levelsROS levelsLower ROS levelsMitochondrial performanceSex-based variationDisordersMonkeysOxygen speciesMales
2020
Generation of Pluripotent Stem Cells Using Somatic Cell Nuclear Transfer and Induced Pluripotent Somatic Cells from African Green Monkeys
Chung YG, Seay M, Elsworth J, Redmond D. Generation of Pluripotent Stem Cells Using Somatic Cell Nuclear Transfer and Induced Pluripotent Somatic Cells from African Green Monkeys. Stem Cells And Development 2020, 29: 1294-1307. PMID: 32715987, DOI: 10.1089/scd.2020.0059.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCell LineChlorocebus aethiopsChromosome BandingCloning, OrganismCulture MediaCytogenetic AnalysisDNADopaminergic NeuronsEmbryonic DevelopmentEmbryonic Stem CellsFemaleGenotypeHumansInduced Pluripotent Stem CellsMitochondriaNuclear Transfer TechniquesOvaryTyrosine 3-MonooxygenaseConceptsAfrican green monkeysInduced pluripotent stem cellsCell linesGreen monkeysStem cellsEffective cell replacement therapyPromising potential therapyPluripotent stem cellsDopamine depletionReplacement therapyDopamine neuronsCell replacement therapyBrain pathologyDonor monkeyParkinson's diseasePotential therapyMonkey studiesFemale monkeysClinical predictive powerImmune rejectionImmune systemAccidental exposurePossible treatmentIPSC linesRodent experiments
2001
Prenatal cocaine exposure increases mesoprefrontal dopamine neuron responsivity to mild stress
Elsworth J, Morrow B, Roth R. Prenatal cocaine exposure increases mesoprefrontal dopamine neuron responsivity to mild stress. Synapse 2001, 42: 80-83. PMID: 11574943, DOI: 10.1002/syn.1102.Peer-Reviewed Original ResearchConceptsPrenatal cocaine exposurePrefrontal cortexCocaine exposureShort-term memory deficitsVentromedial prefrontal cortexShort-term memoryMedial prefrontal cortexDopamine neuronsAdolescent ratsCognitive deficitsMemory deficitsMesoprefrontal dopamine systemPrenatal cocaineMild footshock stressDopamine systemDeficitsFootshock stressNeurobehavioral deficitsDopamine turnoverIntravenous modelRodent modelsBehavioral abnormalitiesFetal developmentMild stressCortexPrenatal exposure to cocaine reduces the number and enhances reactivity of A10 dopaminergic neurons to environmental stress
Morrow B, Elsworth J, Roth R. Prenatal exposure to cocaine reduces the number and enhances reactivity of A10 dopaminergic neurons to environmental stress. Synapse 2001, 41: 337-344. PMID: 11494404, DOI: 10.1002/syn.1090.Peer-Reviewed Original ResearchConceptsA10 dopamine neuronsDopamine neuronsDopaminergic neuronsPrenatal exposurePrenatal saline controlsTyrosine hydroxylase immunoreactiveA10 dopaminergic neuronsCocaine-induced reductionRat dopaminergic neuronsCocaine-exposed ratsPoor cognitive performanceYoung adult offspringUnderlying biochemical changesDopaminergic functionA9 regionSaline controlsIntravenous modelPerinatal lossAdult offspringIntermittent footshockImmediate early genesCognitive deficitsNeuronal systemsBehavioral effectsCell groupsNicotine Receptor Inactivation Decreases Sensitivity to Cocaine
Zachariou V, Caldarone B, Weathers-Lowin A, George T, Elsworth J, Roth R, Changeux J, Picciotto M. Nicotine Receptor Inactivation Decreases Sensitivity to Cocaine. Neuropsychopharmacology 2001, 24: 576-589. PMID: 11282258, DOI: 10.1016/s0893-133x(00)00224-4.Peer-Reviewed Original ResearchConceptsPlace preferenceDA turnoverLow doseHigh-affinity nicotinic acetylcholine receptorsMesolimbic DA systemHigh-affinity nAChRsNicotinic antagonist mecamylamineWild-type miceMesolimbic dopamine systemFos-related antigensProperties of nicotineCocaine place preferenceΒ2 subunitNicotinic acetylcholine receptorsAntagonist mecamylamineDA releaseMetabolite DOPACNeurochemical changesSubthreshold doseType miceDopamine systemPsychomotor stimulantsAcetylcholine receptorsHigh dosesBrain regions
2000
Estrogen Is Essential for Maintaining Nigrostriatal Dopamine Neurons in Primates: Implications for Parkinson's Disease and Memory
Leranth C, Roth R, Elsworth J, Naftolin F, Horvath T, Redmond D. Estrogen Is Essential for Maintaining Nigrostriatal Dopamine Neurons in Primates: Implications for Parkinson's Disease and Memory. Journal Of Neuroscience 2000, 20: 8604-8609. PMID: 11102464, PMCID: PMC6773080, DOI: 10.1523/jneurosci.20-23-08604.2000.Peer-Reviewed Original ResearchConceptsNigrostriatal dopamine neuronsDopamine neuronsParkinson's diseaseSubstantia nigraDopamine cellsTyrosine hydroxylase-expressing neuronsTyrosine hydroxylase-immunoreactive cellsNigral dopamine systemsEstrogen replacement therapyNew treatment strategiesUnbiased stereological analysisTypes of neuronsProgression of diseaseEstrogen replacementPostmenopausal womenEstrogen deprivationReplacement therapyTreatment strategiesCompact zoneGonadal hormonesLong-term effectsDopamine systemEstrogenDiseaseNeurons
1999
Altered frontal cortical dopaminergic transmission in monkeys after subchronic phencyclidine exposure: involvement in frontostriatal cognitive deficits
Jentsch J, Taylor J, Elsworth J, Redmond D, Roth R. Altered frontal cortical dopaminergic transmission in monkeys after subchronic phencyclidine exposure: involvement in frontostriatal cognitive deficits. Neuroscience 1999, 90: 823-832. PMID: 10218783, DOI: 10.1016/s0306-4522(98)00481-3.Peer-Reviewed Original ResearchConceptsCognitive deficitsSubchronic phencyclidine administrationDorsolateral prefrontal cortexFrontal cortexCortical dopamine transmissionReduced dopaminergic functionFrontostriatal functionDetour taskCognitive performanceDopamine utilizationPhencyclidine exposurePrefrontal cortexPerformance impairmentPrelimbic cortexBrain regionsCognitive dysfunctionCortical impairmentCortical regionsCognitive impairmentDopaminergic functionPhencyclidine administrationDopamine transmissionSpecific subregionsCortexPsychotomimetic drug phencyclidineDopamine D4 receptor antagonist reversal of subchronic phencyclidine-induced object retrieval/detour deficits in monkeys
Jentsch J, Taylor J, Redmond Jr D, Elsworth J, Youngren K, Roth R. Dopamine D4 receptor antagonist reversal of subchronic phencyclidine-induced object retrieval/detour deficits in monkeys. Psychopharmacology 1999, 142: 78-84. PMID: 10102786, DOI: 10.1007/s002130050865.Peer-Reviewed Original ResearchConceptsFrontostriatal systemCognitive functionPrefrontal cortexObject retrieval taskRegulation of cognitionPrimate prefrontal cortexD4 dopamine receptorsNormal control monkeysDR antagonistsCognitive processesDetour taskCognitive deficitsPerformance impairmentBrain regionsCognitive dysfunctionRetrieval tasksFrontal cortexTaskCortexCortical dopaminergicDeficitsDopaminergic systemAntagonist reversalControl subjectsDopamine receptors
1995
General Cognitive Ability Following Unilateral and Bilateral Fetal Ventral Mesencephalic Tissue Transplantation for Treatment of Parkinson's Disease
Sass K, Buchanan C, Westerveld M, Marek K, Farhi A, Robbins R, Naftolin F, Vollmer T, Leranth C, Roth R, Price L, Bunney B, Elsworth J, Hoffer P, Redmond D, Spencer D. General Cognitive Ability Following Unilateral and Bilateral Fetal Ventral Mesencephalic Tissue Transplantation for Treatment of Parkinson's Disease. JAMA Neurology 1995, 52: 680-686. PMID: 7619024, DOI: 10.1001/archneur.1995.00540310050016.Peer-Reviewed Original ResearchConceptsCognitive abilitiesNonverbal cognitive abilityVerbal cognitive abilityInformation-processing speedVerbal memoryNeuropsychological profileTest batteryCognitive functionNormal cognitive functionCognitive dysfunctionRight caudate nucleusCaudate nucleusFactor analysisTissue transplantationParkinson's disease
1992
Unilateral Transplantation of Human Fetal Mesencephalic Tissue into the Caudate Nucleus of Patients with Parkinson's Disease
Spencer D, Robbins R, Naftolin F, Marek K, Vollmer T, Leranth C, Roth R, Price L, Gjedde A, Bunney B, Sass K, Elsworth J, Kier E, Makuch R, Hoffer P, Redmond D. Unilateral Transplantation of Human Fetal Mesencephalic Tissue into the Caudate Nucleus of Patients with Parkinson's Disease. New England Journal Of Medicine 1992, 327: 1541-1548. PMID: 1435880, DOI: 10.1056/nejm199211263272201.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAdultAntiparkinson AgentsCaudate NucleusCryopreservationCyclosporineDopamineFemaleFetal Tissue TransplantationHomovanillic AcidHumansMagnetic Resonance ImagingMaleMesencephalonMiddle AgedMotor ActivityParkinson DiseasePutamenStereotaxic TechniquesTomography, Emission-ComputedConceptsCase patientsParkinson's diseaseMesencephalic tissueCaudate nucleusHuman fetal ventral mesencephalic tissueFetal ventral mesencephalic tissueHuman fetal mesencephalic tissueContinued disease progressionFetal dopaminergic neuronsFetal mesencephalic tissueVentral mesencephalic tissueSevere Parkinson's diseaseOptimal drug therapySigns of parkinsonismMidbrain dopamine neuronsPositron emission tomographyMonths of evaluationAntiparkinsonian medicationUnilateral transplantationDrug holidayMore medicationsStriatonigral degenerationNeurologic functionDopaminergic neuronsDrug therapyAmphetamine‐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
1990
Regionally specific alterations in the low-affinity GABAA receptor following perinatal exposure to diazepam
Gruen R, Elsworth J, Roth R. Regionally specific alterations in the low-affinity GABAA receptor following perinatal exposure to diazepam. Brain Research 1990, 514: 151-154. PMID: 2162709, DOI: 10.1016/0006-8993(90)90449-l.Peer-Reviewed Original ResearchConceptsLow-affinity GABAA receptorsPerinatal exposureGABAA receptorsAbility of GABAPerinatal periodAdult ratsBenzodiazepine receptorsCingulate cortexLow affinity formDiazepamSpecific alterationsSignificant decreaseReceptorsSignificant reductionExposureAffinity formAlterationsHypothalamusGABARatsCortex
1988
Biochemical analysis of caudate nucleus biopsy samples from parkinsonian patients
Goldstein M, Lieberman A, Helmer E, Koslow M, Ransohoff J, Elsworth J, Roth R, Deutch A. Biochemical analysis of caudate nucleus biopsy samples from parkinsonian patients. Annals Of Neurology 1988, 24: 685-688. PMID: 2904793, DOI: 10.1002/ana.410240517.Peer-Reviewed Original ResearchConceptsBiopsy samplesAdrenal transplantationDopamine functionAutologous adrenal transplantationMetabolite homovanillic acidEnzyme tyrosine hydroxylaseConcentration of dopamineParkinsonian patientsTherapeutic responseHomovanillic acidParkinson's diseaseTyrosine hydroxylasePostmortem valuesBiochemical analysisBiochemical parametersPatientsTransplantationPostmortem changesDisease
1987
Homovanillic acid concentrations in brain, CSF and plasma as indicators of central dopamine function in primates
Elsworth J, Leahy D, Roth R, Redmond D. Homovanillic acid concentrations in brain, CSF and plasma as indicators of central dopamine function in primates. Journal Of Neural Transmission 1987, 68: 51-62. PMID: 3806086, DOI: 10.1007/bf01244639.Peer-Reviewed Original ResearchConceptsHomovanillic acid concentrationsDorsal frontal cortexFrontal cortexHVA concentrationsCentral dopamine functionCSF HVA concentrationsCentral dopamine metabolismBasal ganglia areaOrbital frontal cortexSignificant correlationPossible treatment effectsPlasma HVAGanglia areaDopamine metabolismCaudate nucleusCortical areasDopamine functionBrain areasCisternal CSFBrain regionsHVA measurementsCortex contributesCSFCortexOnly significant relationship
1986
Effect of morphine treatment and withdrawal on endogenous methionine- and leucine-enkephalin levels in primate brain
Elsworth J, Redmond D, Roth R. Effect of morphine treatment and withdrawal on endogenous methionine- and leucine-enkephalin levels in primate brain. Biochemical Pharmacology 1986, 35: 3415-3417. PMID: 3768031, DOI: 10.1016/0006-2952(86)90447-8.Peer-Reviewed Original Research
1983
Panic-Induced Elevation of Plasma MHPG Levels in Phobic-Anxious Patients: Effects of Clonidine and Imipramine
Ko G, Elsworth J, Roth R, Rifkin B, Leigh H, Redmond D. Panic-Induced Elevation of Plasma MHPG Levels in Phobic-Anxious Patients: Effects of Clonidine and Imipramine. JAMA Psychiatry 1983, 40: 425-430. PMID: 6838322, DOI: 10.1001/archpsyc.1983.01790040079011.Peer-Reviewed Original ResearchConceptsPlasma MHPG levelsMHPG levelsEffects of clonidineSignificant symptom reductionPlasma MHPG concentrationSelf-rated anxietyPlacebo treatmentCrossover trialMHPG concentrationsPlasma levelsNoradrenergic activityDrug treatmentDrug trialsSymptom reductionDiminished suppressionPanic attacksPanic symptomsImipramine hydrochlorideClonidinePatientsPhobic stimuliImipramineTrialsAnxietyTreatment
1980
Dopamine Oxidation and Its Inhibition by (—)-Deprenyl in Man
Glover V, Elsworth J, Sandler M. Dopamine Oxidation and Its Inhibition by (—)-Deprenyl in Man. Journal Of Neural Transmission. Supplementa 1980, 163-172. PMID: 6776235, DOI: 10.1007/978-3-7091-8582-7_18.Peer-Reviewed Original Research