2022
Quickly moving too slowly: Interneuron migration in Timothy Syndrome
Fernando M, Brennand K. Quickly moving too slowly: Interneuron migration in Timothy Syndrome. Cell Stem Cell 2022, 29: 181-183. PMID: 35120616, DOI: 10.1016/j.stem.2022.01.004.Commentaries, Editorials and Letters
2021
Xenopus models suggest convergence of gene signatures on neurogenesis in autism
Brennand K, Talkowski M. Xenopus models suggest convergence of gene signatures on neurogenesis in autism. Neuron 2021, 109: 743-745. PMID: 33662268, DOI: 10.1016/j.neuron.2021.02.017.Commentaries, Editorials and Letters
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
2018
THC exposure of human iPSC neurons impacts genes associated with neuropsychiatric disorders
Guennewig B, Bitar M, Obiorah I, Hanks J, O’Brien E, Kaczorowski DC, Hurd YL, Roussos P, Brennand KJ, Barry G. THC exposure of human iPSC neurons impacts genes associated with neuropsychiatric disorders. Translational Psychiatry 2018, 8: 89. PMID: 29691375, PMCID: PMC5915454, DOI: 10.1038/s41398-018-0137-3.Peer-Reviewed Original ResearchConceptsHuman-induced pluripotent stem cellsPluripotent stem cellsHuman iPSC neuronsTranscriptional responseTranscriptomic analysisRNA transcriptomic analysisHuman neural cellsIPSC-neuronsMolecular pathwaysNeuropsychiatric disordersStem cellsNeural cellsDiagnosis-specific differencesGenesTHC exposureNeuronal depolarizationTHC administrationChronic exposureCannabis useNeuronsΔ9-tetrahydrocannabinolStrong associationSignificant alterationsCellsDynamic changes
2016
Altered proliferation and networks in neural cells derived from idiopathic autistic individuals
Marchetto M, Belinson H, Tian Y, Freitas B, Fu C, Vadodaria K, Beltrao-Braga P, Trujillo C, Mendes A, Padmanabhan K, Nunez Y, Ou J, Ghosh H, Wright R, Brennand K, Pierce K, Eichenfield L, Pramparo T, Eyler L, Barnes C, Courchesne E, Geschwind D, Gage F, Wynshaw-Boris A, Muotri A. Altered proliferation and networks in neural cells derived from idiopathic autistic individuals. Molecular Psychiatry 2016, 22: 820-835. PMID: 27378147, PMCID: PMC5215991, DOI: 10.1038/mp.2016.95.Peer-Reviewed Original ResearchConceptsNeural progenitor cellsInsulin growth factor-1Pluripotent stem cellsTranscriptional cascadeNeuronal networksAutism spectrum disorderGrowth factor-1Human cell modelsNormal brain sizeEarly brain overgrowthPotential cellular mechanismsMolecular mechanismsGenetic studiesClinical trialsIGF-1Therapeutic effectBrain pathologyAbnormal neurogenesisΒ-cateninCellular mechanismsStem cellsBrain overgrowthProgenitor cellsNeural cellsAltered proliferation