2017
Cortical β-amyloid burden, gray matter, and memory in adults at varying APOE ε4 risk for Alzheimer's disease
Mecca AP, Barcelos NM, Wang S, Brück A, Nabulsi N, Planeta-Wilson B, Nadelmann J, Benincasa AL, Ropchan J, Huang Y, Gelernter J, Van Ness PH, Carson RE, van Dyck CH. Cortical β-amyloid burden, gray matter, and memory in adults at varying APOE ε4 risk for Alzheimer's disease. Neurobiology Of Aging 2017, 61: 207-214. PMID: 29111487, PMCID: PMC5722236, DOI: 10.1016/j.neurobiolaging.2017.09.027.Peer-Reviewed Original ResearchConceptsΒ-amyloid burdenMiddle-aged individualsAβ burdenEpisodic memory performanceCognitive declineGM fractionCortical β-amyloid burdenBrain magnetic resonance imagingFirst-degree family historyCortical Aβ burdenGray matter fractionNormal middle-aged individualsSubsequent cognitive declineMagnetic resonance imagingPositron emission tomographyAPOE ε3ε3Cortical AβCerebral amyloidosisAPOE genotypeFamily historyPreclinical ADMemory performanceNeuropsychological testingAlzheimer's diseaseGray matter
2015
A CHRNA5 Smoking Risk Variant Decreases the Aversive Effects of Nicotine in Humans
Jensen KP, DeVito EE, Herman AI, Valentine GW, Gelernter J, Sofuoglu M. A CHRNA5 Smoking Risk Variant Decreases the Aversive Effects of Nicotine in Humans. Neuropsychopharmacology 2015, 40: 2813-2821. PMID: 25948103, PMCID: PMC4864657, DOI: 10.1038/npp.2015.131.Peer-Reviewed Original ResearchMeSH KeywordsAdultBlood PressureCognition DisordersCotinineFemaleGenome-Wide Association StudyHeart RateHumansMaleMiddle AgedNerve Tissue ProteinsNeuropsychological TestsNicotineNicotinic AgonistsPolymorphism, Single NucleotideReceptors, NicotinicSmokingSubstance Withdrawal SyndromeSurveys and QuestionnairesConceptsAversive effectsHeavy smokingRisk allelesSmoking-related disordersAfrican American smokersCHRNA5-CHRNA3Doses of nicotineHigh nicotine doseNicotine administrationIntravenous doseNicotine effectsNicotine doseAmerican smokersWithdrawal severityOvernight abstinenceAcute responseAA subjectsCardiovascular reactivityCHRNB4 gene clusterNicotineEuropean AmericansAversive responsesAdministration sessionsSmokingCognitive performance
2010
Variation in the Nicotinic Acetylcholine Receptor Gene Cluster CHRNA5–CHRNA3–CHRNB4 and Its Interaction with Recent Tobacco Use Influence Cognitive Flexibility
Zhang H, Kranzler HR, Poling J, Gelernter J. Variation in the Nicotinic Acetylcholine Receptor Gene Cluster CHRNA5–CHRNA3–CHRNB4 and Its Interaction with Recent Tobacco Use Influence Cognitive Flexibility. Neuropsychopharmacology 2010, 35: 2211-2224. PMID: 20631687, PMCID: PMC3055317, DOI: 10.1038/npp.2010.95.Peer-Reviewed Original Research
2009
Cognitive Flexibility is Associated with KIBRA Variant and Modulated by Recent Tobacco Use
Zhang H, Kranzler HR, Poling J, Gruen JR, Gelernter J. Cognitive Flexibility is Associated with KIBRA Variant and Modulated by Recent Tobacco Use. Neuropsychopharmacology 2009, 34: 2508-2516. PMID: 19606085, PMCID: PMC2898508, DOI: 10.1038/npp.2009.80.Peer-Reviewed Original ResearchConceptsCognitive flexibilityPerseverative errorsPerseverative responsesWisconsin Card Sorting TestMemory performance measuresCard Sorting TestSorting TestRs17070145Main effectInteraction effectsEuropean AmericansRecencyPopulation-specific wayRecent tobacco usePerformance measuresTobacco useSynaptic plasticityModeratesKIBRAAfrican AmericansSmokersFlexibility
2006
Apolipoprotein E ɛ4 Allele Increases Risk for Psychotic Symptoms in Alzheimer's Disease
Zdanys KF, Kleiman TG, MacAvoy MG, Black BT, Rightmer TE, Grey M, Garman KS, Tampi RR, Gelernter J, van Dyck CH. Apolipoprotein E ɛ4 Allele Increases Risk for Psychotic Symptoms in Alzheimer's Disease. Neuropsychopharmacology 2006, 32: 171-179. PMID: 16841077, DOI: 10.1038/sj.npp.1301148.Peer-Reviewed Original ResearchConceptsAD patientsPsychotic symptomsAlzheimer's diseaseBehavioral symptomsNeuropsychiatric InventoryApolipoprotein EMultiple logistic regression modelSporadic Alzheimer's diseaseGenetic risk factorsSevere-stage Alzheimer's diseaseLogistic regression modelsDifferent risk profilesDementia progressesRisk factorsIncrease riskBehavioral disturbancesPatientsDisease severitySymptomsSignificant psychosisRisk profileGreater riskApoEExploratory analysisDiseaseApolipoprotein E ε4 Allele Is Unrelated to Cognitive or Functional Decline in Alzheimer’s Disease: Retrospective and Prospective Analysis
Kleiman T, Zdanys K, Black B, Rightmer T, Grey M, Garman K, MacAvoy M, Gelernter J, van Dyck C. Apolipoprotein E ε4 Allele Is Unrelated to Cognitive or Functional Decline in Alzheimer’s Disease: Retrospective and Prospective Analysis. Dementia And Geriatric Cognitive Disorders 2006, 22: 73-82. PMID: 16699282, DOI: 10.1159/000093316.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseFunctional declineProspective analysisAD patientsEpsilon4 doseMultiple subsequent time pointsApolipoprotein E (APOE) ε4 alleleGenotype groupsApolipoprotein E epsilon4 alleleDuration of symptomsAD patient samplesGenetic risk factorsSubsequent time pointsTests of cognitionRisk factorsAPOE epsilon4Disease onsetDisease progressionEpsilon4 alleleFunctional impairmentRetrospective analysisΕ4 alleleDaily functionPatient samplesFunctional measures