2019
MKL1-actin pathway restricts chromatin accessibility and prevents mature pluripotency activation
Hu X, Liu ZZ, Chen X, Schulz VP, Kumar A, Hartman AA, Weinstein J, Johnston JF, Rodriguez EC, Eastman AE, Cheng J, Min L, Zhong M, Carroll C, Gallagher PG, Lu J, Schwartz M, King MC, Krause DS, Guo S. MKL1-actin pathway restricts chromatin accessibility and prevents mature pluripotency activation. Nature Communications 2019, 10: 1695. PMID: 30979898, PMCID: PMC6461646, DOI: 10.1038/s41467-019-09636-6.Peer-Reviewed Original ResearchConceptsCell fate reprogrammingChromatin accessibilityActin cytoskeletonSomatic cell reprogrammingPluripotency transcription factorsGlobal chromatin accessibilityGenomic accessibilityCytoskeleton (LINC) complexCell reprogrammingCytoskeletal genesTranscription factorsReprogrammingPluripotencyChromatinCytoskeletonMKL1Unappreciated aspectPathwayNuclear volumeNucleoskeletonSUN2CellsActivationGenesExpression
2016
Regulation of the DNA Methylation Landscape in Human Somatic Cell Reprogramming by the miR-29 Family
Hysolli E, Tanaka Y, Su J, Kim KY, Zhong T, Janknecht R, Zhou XL, Geng L, Qiu C, Pan X, Jung YW, Cheng J, Lu J, Zhong M, Weissman SM, Park IH. Regulation of the DNA Methylation Landscape in Human Somatic Cell Reprogramming by the miR-29 Family. Stem Cell Reports 2016, 7: 43-54. PMID: 27373925, PMCID: PMC4945581, DOI: 10.1016/j.stemcr.2016.05.014.Peer-Reviewed Original ResearchMeSH KeywordsCellular ReprogrammingDNA MethylationEpigenesis, GeneticHuman Embryonic Stem CellsHumansInduced Pluripotent Stem CellsKruppel-Like Factor 4MicroRNAsConceptsDNA methylation stateEmbryonic stem cellsInduced pluripotent stem cellsHuman somatic cell reprogrammingSomatic cell reprogrammingMethylation stateCell reprogrammingMiR-29 familyDNA methylation landscapeImportant epigenetic regulatorsStem cellsOverexpression of Oct4Global DNA methylationMiRNA-based approachesPluripotent stem cellsMethylation landscapeHistone modificationsDNA demethylationEpigenomic changesEarly reprogrammingEpigenetic regulatorsEpigenetic differencesDNA methylationHydroxymethylation analysisReprogramming
2014
Nonstochastic Reprogramming from a Privileged Somatic Cell State
Guo S, Zi X, Schulz VP, Cheng J, Zhong M, Koochaki SH, Megyola CM, Pan X, Heydari K, Weissman SM, Gallagher PG, Krause DS, Fan R, Lu J. Nonstochastic Reprogramming from a Privileged Somatic Cell State. Cell 2014, 156: 649-662. PMID: 24486105, PMCID: PMC4318260, DOI: 10.1016/j.cell.2014.01.020.Peer-Reviewed Original ResearchConceptsSomatic cell stateCell statesAcquisition of pluripotencyMurine hematopoietic progenitorsEndogenous Oct4Cell cycle accelerationNonstochastic mannerSomatic cellsProgeny cellsPluripotent fateYamanaka factorsCell cycleHematopoietic progenitorsP53 knockdownPluripotencyReprogrammingCycling populationFactor expressionCellsFibroblastsImportant bottleneckKnockdownProgenitorsFateExpression
2013
C/EBPα poises B cells for rapid reprogramming into induced pluripotent stem cells
Di Stefano B, Sardina JL, van Oevelen C, Collombet S, Kallin EM, Vicent GP, Lu J, Thieffry D, Beato M, Graf T. C/EBPα poises B cells for rapid reprogramming into induced pluripotent stem cells. Nature 2013, 506: 235-239. PMID: 24336202, DOI: 10.1038/nature12885.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsB-LymphocytesCCAAT-Enhancer-Binding Protein-alphaCell TransdifferentiationCells, CulturedCellular ReprogrammingChromatinCytosineDeoxyribonuclease IDioxygenasesDNA MethylationDNA-Binding ProteinsEpithelial-Mesenchymal TransitionInduced Pluripotent Stem CellsKruppel-Like Factor 4Kruppel-Like Transcription FactorsMiceOctamer Transcription Factor-3Proto-Oncogene ProteinsProto-Oncogene Proteins c-mycSOXB1 Transcription FactorsUp-RegulationConceptsInduced pluripotent stem cellsPluripotent stem cellsTranscription factors Oct4Stem cellsTET2 enzymeChromatin accessibilityPluripotency genesRapid reprogrammingEfficient reprogrammingFactors OCT4B cell precursorsReprogrammingCell precursorsCellsB cellsGenesKLF4MYCSOX2OverexpressionEnzymeExpressionActivationDynamic Migration and Cell‐Cell Interactions of Early Reprogramming Revealed by High‐Resolution Time‐Lapse Imaging
Megyola CM, Gao Y, Teixeira AM, Cheng J, Heydari K, Cheng E, Nottoli T, Krause DS, Lu J, Guo S. Dynamic Migration and Cell‐Cell Interactions of Early Reprogramming Revealed by High‐Resolution Time‐Lapse Imaging. Stem Cells 2013, 31: 895-905. PMID: 23335078, PMCID: PMC4309553, DOI: 10.1002/stem.1323.Peer-Reviewed Original ResearchConceptsCell-cell interactionsEarly reprogrammingDynamic cell-cell interactionsSingle-cell resolutionTime-lapse microscopyE-cadherin inhibitionTime-lapse imagingPluripotency inductionInduced pluripotencyGranulocyte-monocyte progenitorsPluripotent cellsReprogrammingMolecular mechanismsCell resolutionCell migrationCellular interactionsGenetic makeupE-cadherinSatellite coloniesExperimental systemHematopoietic stateSource cellsRare cellsColoniesComplex mechanisms