2013
Deep resequencing of 17 glutamate system genes identifies rare variants in DISC1 and GRIN2B affecting risk of opioid dependence
Xie P, Kranzler HR, Krystal JH, Farrer LA, Zhao H, Gelernter J. Deep resequencing of 17 glutamate system genes identifies rare variants in DISC1 and GRIN2B affecting risk of opioid dependence. Addiction Biology 2013, 19: 955-964. PMID: 23855403, PMCID: PMC3815683, DOI: 10.1111/adb.12072.Peer-Reviewed Original ResearchConceptsOpioid dependenceSubstance dependenceRare variantsN-methyl-D-aspartate (NMDA) glutamate receptorsCo-occurring alcohol dependenceHealthy control subjectsControl subjectsNMDA systemOpioid abuseGlutamate receptorsSchizophrenia risk genesSD riskAlcohol dependenceSignificant associationCocaine dependenceAdditional subjectsOD riskRisk genesDISC1African AmericansFirst demonstrationCommon variantsRiskSubjectsMinor allele frequency
2010
Genetic Associations of Brain Structural Networks in Schizophrenia: A Preliminary Study
Jagannathan K, Calhoun VD, Gelernter J, Stevens MC, Liu J, Bolognani F, Windemuth A, Ruaño G, Assaf M, Pearlson GD. Genetic Associations of Brain Structural Networks in Schizophrenia: A Preliminary Study. Biological Psychiatry 2010, 68: 657-666. PMID: 20691427, PMCID: PMC2990476, DOI: 10.1016/j.biopsych.2010.06.002.Peer-Reviewed Original ResearchConceptsSpecific structural brain abnormalitiesMagnetic resonance imaging (MRI) scansSmall sample sizeHealthy control subjectsStructural brain abnormalitiesStructural magnetic resonance imaging (MRI) scansGray matter deficitsResonance imaging scansCortical gray matterNormal central nervous system developmentRisk genesCentral nervous system developmentBrain structural networksControl subjectsImaging scansBrain abnormalitiesNervous system developmentIllness markersSchizophrenia pathophysiologySchizophrenia risk genesGenetic componentTemporal lobeBrain areasEuropean-American subjectsSchizophrenia patients
2009
A pilot multivariate parallel ICA study to investigate differential linkage between neural networks and genetic profiles in schizophrenia
Meda SA, Jagannathan K, Gelernter J, Calhoun VD, Liu J, Stevens MC, Pearlson GD. A pilot multivariate parallel ICA study to investigate differential linkage between neural networks and genetic profiles in schizophrenia. NeuroImage 2009, 53: 1007-1015. PMID: 19944766, PMCID: PMC3968678, DOI: 10.1016/j.neuroimage.2009.11.052.Peer-Reviewed Original ResearchMeSH KeywordsAcoustic StimulationBrain MappingBrain-Derived Neurotrophic FactorDopamine Plasma Membrane Transport ProteinsEndophenotypesFemaleGenetic Predisposition to DiseaseGenotypeHumansImage Interpretation, Computer-AssistedMagnetic Resonance ImagingMaleNeural PathwaysPilot ProjectsPolymorphism, Single NucleotideSchizophreniaSerotonin Plasma Membrane Transport ProteinsConceptsDopamine transporterBrain functionNeurotropic factorAuditory oddball taskSchizophrenia patientsSingle nucleotide polymorphismsMultiple risk genesRisk genesOddball taskRelated brain functionsHealthy controlsSchizophrenia risk genesAbnormal activationGenomic factorsTemporal gyrusPatientsTask-relevant regionsSchizophreniaSignificant differencesAttention/Multiple single nucleotide polymorphismsGenetic profilePsychiatric neuroimagingBrainGenotype-phenotype relationships