2008
Effects of the Brain-Derived Neurotrophic Growth Factor Val66Met Variation on Hippocampus Morphology in Bipolar Disorder
Chepenik LG, Fredericks C, Papademetris X, Spencer L, Lacadie C, Wang F, Pittman B, Duncan JS, Staib LH, Duman RS, Gelernter J, Blumberg HP. Effects of the Brain-Derived Neurotrophic Growth Factor Val66Met Variation on Hippocampus Morphology in Bipolar Disorder. Neuropsychopharmacology 2008, 34: 944-951. PMID: 18704093, PMCID: PMC2837582, DOI: 10.1038/npp.2008.107.Peer-Reviewed Original ResearchConceptsSmaller hippocampus volumesHippocampus volumeBipolar disorderBDNF genotypeBD diagnosisMood disorder pathophysiologyBDNF Val66Met polymorphismHigh-resolution magnetic resonanceHealthy comparison subjectsVal/Val homozygotesEffect of diagnosisLinear mixed model analysisVal66Met polymorphismGrowth factor proteinBD subgroupsDisorder pathophysiologyHC subjectsHippocampal developmentComparison subjectsMixed model analysisHippocampus structureBDNFHippocampus morphologyAnterior hippocampusVal homozygotes
2005
Preliminary evidence for persistent abnormalities in amygdala volumes in adolescents and young adults with bipolar disorder
Blumberg HP, Fredericks C, Wang F, Kalmar JH, Spencer L, Papademetris X, Pittman B, Martin A, Peterson BS, Fulbright RK, Krystal JH. Preliminary evidence for persistent abnormalities in amygdala volumes in adolescents and young adults with bipolar disorder. Bipolar Disorders 2005, 7: 570-576. PMID: 16403182, PMCID: PMC2291299, DOI: 10.1111/j.1399-5618.2005.00264.x.Peer-Reviewed Original ResearchConceptsAmygdala volumeBipolar disorderYoung adultsAmygdala volume abnormalitiesTotal brain volumeHigh-resolution magnetic resonancePreliminary evidenceSubjects longitudinal designPersistent abnormalitiesMixed-model statistical analysisBD IVolume abnormalitiesHealthy comparison participantsBrain volumeHealthy participantsAbnormalitiesAdultsAdolescentsComparison participantsAmygdalaDevelopmental epochsDisordersLongitudinal designParticipantsMagnetic resonance