Featured Publications
Neuronal impact of patient-specific aberrant NRXN1α splicing
Flaherty E, Zhu S, Barretto N, Cheng E, Deans PJM, Fernando MB, Schrode N, Francoeur N, Antoine A, Alganem K, Halpern M, Deikus G, Shah H, Fitzgerald M, Ladran I, Gochman P, Rapoport J, Tsankova NM, McCullumsmith R, Hoffman GE, Sebra R, Fang G, Brennand KJ. Neuronal impact of patient-specific aberrant NRXN1α splicing. Nature Genetics 2019, 51: 1679-1690. PMID: 31784728, PMCID: PMC7451045, DOI: 10.1038/s41588-019-0539-z.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAnimalsAutism Spectrum DisorderBipolar DisorderCalcium-Binding ProteinsCase-Control StudiesDepressive Disorder, MajorFemaleGene ExpressionHeterozygoteHumansInduced Pluripotent Stem CellsMaleMiceNeural Cell Adhesion MoleculesProtein IsoformsSchizophreniaSequence Deletion
2023
56. USING HIPSC-NEURONS AND CRISPR TO UNCOVER NON-ADDITIVE EFFECTS OF SCZ RISK GENES
Deans M, Seah C, Johnson J, García-González J, Townsley K, Cao E, Schrode N, Stahl E, O'Reilly P, Huckins L, Brennand K. 56. USING HIPSC-NEURONS AND CRISPR TO UNCOVER NON-ADDITIVE EFFECTS OF SCZ RISK GENES. European Neuropsychopharmacology 2023, 75: s86. DOI: 10.1016/j.euroneuro.2023.08.162.Peer-Reviewed Original ResearchSCZ risk genesNon-additive effectsRisk genesCombinatorial perturbationsTranscriptomic effectsFunctional roleRisk variantsGene expression changesBulk RNA-seqMultiple functional rolesSynaptic functionHigh-throughput imagingFunctional redundancyTranscriptional regulatorsRNA-seqCRISPR activationCellular phenotypesRNA interferenceEGenesGene expressionExpression changesHiPSC neuronsPolygenic risk scoresGenetic studiesGenes
2020
Transcriptional signatures of participant-derived neural progenitor cells and neurons implicate altered Wnt signaling in Phelan-McDermid syndrome and autism
Breen MS, Browne A, Hoffman GE, Stathopoulos S, Brennand K, Buxbaum JD, Drapeau E. Transcriptional signatures of participant-derived neural progenitor cells and neurons implicate altered Wnt signaling in Phelan-McDermid syndrome and autism. Molecular Autism 2020, 11: 53. PMID: 32560742, PMCID: PMC7304190, DOI: 10.1186/s13229-020-00355-0.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAutistic DisorderChildChild, PreschoolChromosome DeletionChromosome DisordersChromosomes, Human, Pair 22FemaleGene Expression ProfilingGene Expression RegulationHumansInduced Pluripotent Stem CellsMaleNeural Stem CellsNeuronsReproducibility of ResultsWnt Signaling PathwayConceptsNeural progenitor cellsTranscriptional signatureGene co-expression network analysisHiPSC-NPCsCo-expression network analysisIndependent biological samplesHiPSC-derived neural cellsProgenitor cellsPostsynaptic density genesDistinct transcriptional signaturesGenetic risk lociHuman-induced pluripotent stem cellsPluripotent stem cellsPotassium channel activityProtein translationSpecific neurobiological pathwaysTranscriptional differencesEmbryonic developmentLoss of SHANK3Risk lociHiPSC neuronsMorphological phenotypesWnt pathwayGenesHiPSC clones
2017
Patient-derived hiPSC neurons with heterozygous CNTNAP2 deletions display altered neuronal gene expression and network activity
Flaherty E, Deranieh R, Artimovich E, Lee I, Siegel A, Levy D, Nestor M, Brennand K. Patient-derived hiPSC neurons with heterozygous CNTNAP2 deletions display altered neuronal gene expression and network activity. Schizophrenia 2017, 3: 35. PMID: 28970473, PMCID: PMC5624885, DOI: 10.1038/s41537-017-0033-5.Peer-Reviewed Original ResearchNeural progenitor cellsGene expressionGlobal gene expressionNeuronal gene expressionPluripotent stem cellsNeuronal activityFamily triosCell adhesion moleculeNeurexin familyHiPSC neuronsMolecular mechanismsDeletion displayAxon guidanceNeuronal developmentGenetic backgroundStem cellsProgenitor cellsDeletionMultiple neuropsychiatric conditionsHeterozygous intragenic deletionDendritic arborizationGenesAnimal studiesAdhesion moleculesNeuropsychiatric conditions
2014
Human iPSC Neurons Display Activity-Dependent Neurotransmitter Secretion: Aberrant Catecholamine Levels in Schizophrenia Neurons
Hook V, Brennand K, Kim Y, Toneff T, Funkelstein L, Lee K, Ziegler M, Gage F. Human iPSC Neurons Display Activity-Dependent Neurotransmitter Secretion: Aberrant Catecholamine Levels in Schizophrenia Neurons. Stem Cell Reports 2014, 3: 531-538. PMID: 25358781, PMCID: PMC4223699, DOI: 10.1016/j.stemcr.2014.08.001.Peer-Reviewed Original ResearchConceptsHiPSC neuronsHuman-induced pluripotent stem cell-derived neuronsPluripotent stem cell-derived neuronsActivity-dependent secretionStem cell-derived neuronsCell-derived neuronsPositive neuronsCatecholamine levelsActivity-dependent mannerTyrosine hydroxylasePeptide neurotransmittersNeuronal culturesBrain disordersNeurotransmitter releaseChemical neurotransmissionKCl stimulationNeuronsNorepinephrineCatecholaminesElevated levelsNeurotransmitter secretionCatecholamine biosynthesisSchizophreniaDopamineNeurotransmitters
2011
Concise Review: The Promise of Human Induced Pluripotent Stem Cell‐Based Studies of Schizophrenia
Brennand K, Gage F. Concise Review: The Promise of Human Induced Pluripotent Stem Cell‐Based Studies of Schizophrenia. Stem Cells 2011, 29: 1915-1922. PMID: 22009633, PMCID: PMC3381343, DOI: 10.1002/stem.762.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsGenome-wide association studiesHuman induced pluripotent stem cellsHiPSC neuronsMolecular mechanismsStem cell-based studiesGene expression changesLive human neuronsInduced pluripotent stem cellsPluripotent stem cellsCommon single nucleotide polymorphismsRare copy number variantsCell-based studiesCopy number variantsSingle nucleotide polymorphismsExpression changesAssociation studiesCellular defectsHuman diseasesPost-mortem humanHeritable developmental disorderNumber variantsNucleotide polymorphismsHuman neuronsStem cellsGenes