2021
Using the dCas9-KRAB system to repress gene expression in hiPSC-derived NGN2 neurons
Li A, Cartwright S, Yu A, Ho SM, Schrode N, Deans PJM, Matos MR, Garcia MF, Townsley KG, Zhang B, Brennand KJ. Using the dCas9-KRAB system to repress gene expression in hiPSC-derived NGN2 neurons. STAR Protocols 2021, 2: 100580. PMID: 34151300, PMCID: PMC8188621, DOI: 10.1016/j.xpro.2021.100580.Peer-Reviewed Original ResearchConceptsCRISPR inhibitionGene expressionDCas9-KRAB systemEndogenous gene expressionMultiple target genesGene repressionGene activationTarget genesGene manipulationFusion proteinComplete detailsPluripotent stemExpressionGlutamatergic neuronsRepressionGenesPhenotypicProteinStemNeuronsActivationBrain diseasesInhibition
2017
Evaluating Synthetic Activation and Repression of Neuropsychiatric-Related Genes in hiPSC-Derived NPCs, Neurons, and Astrocytes
Ho S, Hartley B, Flaherty E, Rajarajan P, Abdelaal R, Obiorah I, Barretto N, Muhammad H, Phatnani H, Akbarian S, Brennand K. Evaluating Synthetic Activation and Repression of Neuropsychiatric-Related Genes in hiPSC-Derived NPCs, Neurons, and Astrocytes. Stem Cell Reports 2017, 9: 615-628. PMID: 28757163, PMCID: PMC5550013, DOI: 10.1016/j.stemcr.2017.06.012.Peer-Reviewed Original ResearchConceptsSynthetic activationRisk genesCell typesModulation of transcriptionNeuropsychiatric risk genesCommon single nucleotide variantsCas9 fusion proteinsEndogenous expression levelsNeural cell typesPluripotent stem cell-derived neural progenitor cellsRare copy number variationsCopy number variationsSingle nucleotide variantsNeural progenitor cellsGene functionFunctional annotationGenetic studiesGenesRisk variantsProgenitor cellsExpression levelsTranscriptionRepressionPositional effectsProteinApplication of CRISPR/Cas9 to the study of brain development and neuropsychiatric disease
Powell S, Gregory J, Akbarian S, Brennand K. Application of CRISPR/Cas9 to the study of brain development and neuropsychiatric disease. Molecular And Cellular Neuroscience 2017, 82: 157-166. PMID: 28549865, PMCID: PMC5516945, DOI: 10.1016/j.mcn.2017.05.007.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsCRISPR/Cas9 technologyPluripotent stem cellsTranscriptional regulatorsManipulation of DNAEpigenetic pathwaysGenomic editingSpecific lociCRISPR/Basic biologyCas9 technologyGene expressionStem cellsTargeted localizationEnzyme activityBrain developmentEpigenomeNeuropsychiatric diseasesGenomeCRISPRRepressionLociBiologyRegulatorEffectorsDNA