2023
Serum Response Factor Reduces Gene Expression Noise and Confers Cell State Stability
Zhang J, Wu Q, Hu X, Wang Y, Lu J, Chakraborty R, Martin K, Guo S. Serum Response Factor Reduces Gene Expression Noise and Confers Cell State Stability. Stem Cells 2023, 41: 907-915. PMID: 37386941, PMCID: PMC11009695, DOI: 10.1093/stmcls/sxad051.Peer-Reviewed Original ResearchConceptsMouse pluripotent stem cellsSerum response factorPluripotent stem cellsCell fate stabilityRole of SRFGene expression noiseHeterogeneous gene expressionResponse factorStem cellsNaïve pluripotencyCell state heterogeneityLineage primingExpression noiseActin dynamicsCellular statesPluripotent cellsSRF functionCell statesMechanical signalingGene expressionFunctional modulationCentral mediatorSerum-containing culturesState heterogeneityCellsCell circuits between leukemic cells and mesenchymal stem cells block lymphopoiesis by activating lymphotoxin beta receptor signaling
Feng X, Sun R, Lee M, Chen X, Guo S, Geng H, Müschen M, Choi J, Pereira J. Cell circuits between leukemic cells and mesenchymal stem cells block lymphopoiesis by activating lymphotoxin beta receptor signaling. ELife 2023, 12: e83533. PMID: 36912771, PMCID: PMC10042536, DOI: 10.7554/elife.83533.Peer-Reviewed Original ResearchConceptsMesenchymal stem cellsLymphotoxin beta receptorLeukemic cellsBeta receptorsLeukemic cell growthBone marrow microenvironmentStem cellsTransplant recipientsAML cellsMyeloblastic leukemiaMouse modelBone marrowLeukemia growthLymphotoxin α1β2Marrow microenvironmentPharmacological disruptionLymphopoiesisReceptorsHematopoietic outputMolecular mechanismsErythropoiesisDNA damage response pathwayCell growthCellsPhysiological mechanisms
2022
Integrating mechanical signals into cellular identity
Carley E, King MC, Guo S. Integrating mechanical signals into cellular identity. Trends In Cell Biology 2022, 32: 669-680. PMID: 35337714, PMCID: PMC9288541, DOI: 10.1016/j.tcb.2022.02.006.Peer-Reviewed Original ResearchConceptsDistinct gene expression programsComplex cellular programsGene expression programsLineage-committed cellsPluripotent stem cellsMulticellular organismsExpression programsCellular identityCellular programsMechanical signalsCell typesStem cellsMechanical inputCellsBiochemical inputsFunction correlationGenomeCytoskeletonOrganismsNumber of studiesImportant determinantComplex axisIdentityLarge arrayVivo
2020
Reprogramming progressive cells display low CAG promoter activity
Hu X, Wu Q, Zhang J, Kim J, Chen X, Hartman AA, Eastman AE, Park I, Guo S. Reprogramming progressive cells display low CAG promoter activity. Stem Cells 2020, 39: 43-54. PMID: 33075202, PMCID: PMC7821215, DOI: 10.1002/stem.3295.Peer-Reviewed Original ResearchYAP Non-cell-autonomously Promotes Pluripotency Induction in Mouse Cells
Hartman AA, Scalf SM, Zhang J, Hu X, Chen X, Eastman AE, Yang C, Guo S. YAP Non-cell-autonomously Promotes Pluripotency Induction in Mouse Cells. Stem Cell Reports 2020, 14: 730-743. PMID: 32243844, PMCID: PMC7160372, DOI: 10.1016/j.stemcr.2020.03.006.Peer-Reviewed Original ResearchConceptsPluripotency inductionCell typesMouse somatic cellsMultiple stem cell typesHeterologous cell typesStem cell typesPluripotent stem cellsEarly embryogenesisSomatic cellsDistinct functionsMouse cellsMatricellular proteinYAPRecombinant CYR61Stem cellsAutonomous roleCyr61Specific cellsBystander cellsProteinCellsInductionPluripotencyEmbryogenesisControl mechanisms
2019
Cell cycle dynamics in the reprogramming of cellular identity
Hu X, Eastman AE, Guo S. Cell cycle dynamics in the reprogramming of cellular identity. FEBS Letters 2019, 593: 2840-2852. PMID: 31562821, DOI: 10.1002/1873-3468.13625.Peer-Reviewed Original ResearchConceptsCell fate reprogrammingCell cycle dynamicsCellular identityDaughter cellsGenome replicationCell cycleSpecific cell cycle phasesCell fate regulationCell cycle controlRapid cell cyclesCell cycle phasesCycle dynamicsFate regulationEpigenomic changesCycle controlFate controlReprogrammingCell typesBiochemical processesReplicationComplex mechanismsCycle phaseGenomeCellsProminent exampleCollisions on the Busy DNA Highway Set Up Barriers for Reprogramming
Hu X, Guo S. Collisions on the Busy DNA Highway Set Up Barriers for Reprogramming. Cell Stem Cell 2019, 25: 451-453. PMID: 31585090, DOI: 10.1016/j.stem.2019.09.007.Peer-Reviewed Original ResearchMKL1-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
2018
Dppa2/4 Facilitate Epigenetic Remodeling during Reprogramming to Pluripotency
Hernandez C, Wang Z, Ramazanov B, Tang Y, Mehta S, Dambrot C, Lee YW, Tessema K, Kumar I, Astudillo M, Neubert TA, Guo S, Ivanova NB. Dppa2/4 Facilitate Epigenetic Remodeling during Reprogramming to Pluripotency. Cell Stem Cell 2018, 23: 396-411.e8. PMID: 30146411, PMCID: PMC6128737, DOI: 10.1016/j.stem.2018.08.001.Peer-Reviewed Original ResearchConceptsInduced pluripotent stem cellsDNA damage response pathwayAcquisition of pluripotencyDamage response pathwayDNA methylation patternsStem cellsEmbryonic stem cellsESC enhancersPluripotent stem cellsMyc factorsPluripotent stateSomatic genesChromatin decompactionMolecular machineryEpigenetic remodelingEfficient reprogrammingResponse pathwaysSomatic cellsMethylation patternsPluripotencyHuman cellsEpigenomeEnhancerCellsKey role
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
2012
An In Vivo Functional Screen Uncovers miR-150-Mediated Regulation of Hematopoietic Injury Response
Adams BD, Guo S, Bai H, Guo Y, Megyola CM, Cheng J, Heydari K, Xiao C, Reddy EP, Lu J. An In Vivo Functional Screen Uncovers miR-150-Mediated Regulation of Hematopoietic Injury Response. Cell Reports 2012, 2: 1048-1060. PMID: 23084747, PMCID: PMC3487471, DOI: 10.1016/j.celrep.2012.09.014.Peer-Reviewed Original ResearchConceptsMiR-150Injury responseBone marrow transplant modelCareful clinical managementHematopoietic suppressionTransplant modelPeripheral bloodHematopoietic recoveryRecipient miceClinical managementAssociated impairmentRole of microRNAsMyeloid cellsHeterozygous knockoutProgenitor cellsClonogenic potentialMajor blood lineagesNormal tissue physiologyHematopoietic stemTissue physiologyC-MybTreatmentMicroRNAsFunction screenCells
2010
Compartmentalized organization: a common and required feature of stem cell niches?
Greco V, Guo S. Compartmentalized organization: a common and required feature of stem cell niches? Development 2010, 137: 1586-1594. PMID: 20430743, PMCID: PMC2860245, DOI: 10.1242/dev.041103.Peer-Reviewed Original ResearchConceptsStem cell nicheCell nicheHair follicle stem cell nicheFollicle stem cell nicheAdult stem cell nichesStem cellsStem cell fieldOrgan growthNicheHair regenerationSlow cyclingRecent findingsCell fieldNew growthTissue regenerationRecent studiesCellsGrowthLong-term growthRegenerationProgenyCompartmentsKey questionsBone progenitor dysfunction induces myelodysplasia and secondary leukaemia
Raaijmakers MH, Mukherjee S, Guo S, Zhang S, Kobayashi T, Schoonmaker JA, Ebert BL, Al-Shahrour F, Hasserjian RP, Scadden EO, Aung Z, Matza M, Merkenschlager M, Lin C, Rommens JM, Scadden DT. Bone progenitor dysfunction induces myelodysplasia and secondary leukaemia. Nature 2010, 464: 852-857. PMID: 20305640, PMCID: PMC3422863, DOI: 10.1038/nature08851.Peer-Reviewed Original ResearchConceptsSpecific mesenchymal cellsMesenchymal cellsHuman bone marrow failureDeletion of Dicer1Osteolineage cellsTissue homeostasisHeterologous cellsDicer1 deletionGene expressionMature osteoblastsRegulatory nicheBone marrow failureDiamond syndromeMesenchymal subsetsStem cellsOsteoprogenitorsReduced expressionDeletionSecondary neoplastic diseaseStromal cellsMarrow failureDICER1CellsHaematopoiesisGenetic abnormalities
2008
MicroRNA-Mediated Control of Cell Fate in Megakaryocyte-Erythrocyte Progenitors
Lu J, Guo S, Ebert BL, Zhang H, Peng X, Bosco J, Pretz J, Schlanger R, Wang JY, Mak RH, Dombkowski DM, Preffer FI, Scadden DT, Golub TR. MicroRNA-Mediated Control of Cell Fate in Megakaryocyte-Erythrocyte Progenitors. Developmental Cell 2008, 14: 843-853. PMID: 18539114, PMCID: PMC2688789, DOI: 10.1016/j.devcel.2008.03.012.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CD34Bone Marrow CellsCell DifferentiationCell LineageCells, CulturedErythroid CellsErythropoietinGene Expression RegulationGenes, ReporterHematopoietic Stem CellsHumansIntegrin beta3K562 CellsMegakaryocytesMiceMice, Inbred C57BLMicroRNAsModels, BiologicalPlatelet Membrane Glycoprotein IIbProto-Oncogene Proteins c-mybThrombopoietinConceptsMegakaryocyte-erythrocyte progenitorsLineage specificationTranscription factor MYBMiR-150Cell fateLineage fateRegenerative biologyErythroid cellsFunction experimentsMultipotent cellsMegakaryocytic lineageMiRNA expressionPrimary cellsCritical targetModel systemMicroRNAsProgenitorsFateRegulationCellsImportant participantsMYBLineagesMiRNAsBiology