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
2009
BDNF Variants, Premorbid Educational Attainment, and Disease Characteristics in Alzheimer's Disease: An Exploratory Study
Zdanys KF, Kleiman TG, Zhang H, Ozbay F, MacAvoy MG, Gelernter J, van Dyck CH. BDNF Variants, Premorbid Educational Attainment, and Disease Characteristics in Alzheimer's Disease: An Exploratory Study. Journal Of Alzheimer's Disease 2009, 17: 887-898. PMID: 19542613, PMCID: PMC4084650, DOI: 10.3233/jad-2009-1106.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAllelesAlzheimer DiseaseBrain-Derived Neurotrophic FactorCognitionDisease ProgressionEducational StatusFemaleGene FrequencyGenetic Predisposition to DiseaseHallucinationsHumansMalePolymerase Chain ReactionPolymorphism, Single NucleotidePrevalenceRetrospective StudiesSeverity of Illness IndexConceptsBrain-derived neurotrophic factorNeuropsychiatric symptomsAlzheimer's diseaseBDNF polymorphismFunctional declineRole of BDNFMultiple subsequent time pointsVal/Val groupBDNF genetic variantsC270T polymorphismPresence of hallucinationsMet/MetSubsequent time pointsVal/MetBDNF variantsClinical courseVal66Met genotypeVal66Met polymorphismC270TDisease characteristicsNeurotrophic factorTests of cognitionNeuronal survivalAD patientsHigh prevalence
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 measuresBrain derived neurotrophic factor (BDNF) gene variants and Alzheimer's disease, affective disorders, posttraumatic stress disorder, schizophrenia, and substance dependence
Zhang H, Ozbay F, Lappalainen J, Kranzler HR, van Dyck CH, Charney DS, Price LH, Southwick S, Yang B, Rasmussen A, Gelernter J. Brain derived neurotrophic factor (BDNF) gene variants and Alzheimer's disease, affective disorders, posttraumatic stress disorder, schizophrenia, and substance dependence. American Journal Of Medical Genetics Part B Neuropsychiatric Genetics 2006, 141B: 387-393. PMID: 16649215, PMCID: PMC2567822, DOI: 10.1002/ajmg.b.30332.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAlzheimer DiseaseBrain-Derived Neurotrophic FactorChromatography, High Pressure LiquidDNA Mutational AnalysisFemaleGene FrequencyGenotypeHaplotypesHumansLinkage DisequilibriumLogistic ModelsMaleMiddle AgedMood DisordersPolymorphism, Single NucleotideSchizophreniaStress Disorders, Post-TraumaticSubstance-Related DisordersConceptsPosttraumatic stress disorderAffective disordersAlzheimer's diseaseSubstance dependenceGene variantsStress disorderBDNF gene variantsNormal control subjectsLogistic regression analysisAge of subjectsBDNF variantsNeurotrophic factorControl subjectsBDNF geneBDNF SNPsG genotypeEuropean-American subjectsG alleleDrug dependenceNeuropsychiatric disordersModest associationSchizophreniaDiseaseNovel gene variantsDisordersVariation at APOE and STH loci and Alzheimer's disease
Zuo L, van Dyck CH, Luo X, Kranzler HR, Yang BZ, Gelernter J. Variation at APOE and STH loci and Alzheimer's disease. Behavioral And Brain Functions 2006, 2: 13. PMID: 16603077, PMCID: PMC1526745, DOI: 10.1186/1744-9081-2-13.Peer-Reviewed Original Research
2005
Apolipoprotein E epsilon4 is associated with atrophy of the amygdala in Alzheimer's disease
Basso M, Gelernter J, Yang J, MacAvoy MG, Varma P, Bronen RA, van Dyck CH. Apolipoprotein E epsilon4 is associated with atrophy of the amygdala in Alzheimer's disease. Neurobiology Of Aging 2005, 27: 1416-1424. PMID: 16182410, DOI: 10.1016/j.neurobiolaging.2005.08.002.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseAD patientsAPOE epsilon4AD groupImportant genetic risk factorApolipoprotein E epsilon4Regional brain atrophyAPOE epsilon4 alleleElderly control subjectsNormal elderly control subjectsGenetic risk factorsAmygdaloid volumesBrain atrophyControl subjectsEpsilon4 carriersRisk factorsEpsilon4 alleleHippocampal volumeEpsilon4 doseAnalysis of covarianceDisease severityPatientsEpsilon4AmygdalaAtrophy