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
2015
Increased abundance of translation machinery in stem cell–derived neural progenitor cells from four schizophrenia patients
Topol A, English J, Flaherty E, Rajarajan P, Hartley B, Gupta S, Desland F, Zhu S, Goff T, Friedman L, Rapoport J, Felsenfeld D, Cagney G, Mackay-Sim A, Savas J, Aronow B, Fang G, Zhang B, Cotter D, Brennand K. Increased abundance of translation machinery in stem cell–derived neural progenitor cells from four schizophrenia patients. Translational Psychiatry 2015, 5: e662-e662. PMID: 26485546, PMCID: PMC4930118, DOI: 10.1038/tp.2015.118.Peer-Reviewed Original ResearchConceptsHiPSC neural progenitor cellsNeural progenitor cellsNovel post-transcriptional mechanismProtein synthesisGlobal protein translationElongation factor proteinGlobal protein synthesisPost-transcriptional mechanismsProgenitor cellsHuman-induced pluripotent stem cellsPluripotent stem cellsMass spectrometry evidenceTranslation machineryTranslation initiationProtein translationEpigenetic factorsFactor proteinStem cellsProtein levelsTotal protein levelsCellsUnaffected controlsMachineryProteinAbundance