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
Incorporating signaling dynamics into fate decision
Guo S. Incorporating signaling dynamics into fate decision. Blood 2022, 140: 79-80. PMID: 35834282, PMCID: PMC9283969, DOI: 10.1182/blood.2022016420.Peer-Reviewed Original ResearchIntegrating 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
2021
EpoR stimulates rapid cycling and larger red cells during mouse and human erythropoiesis
Hidalgo D, Bejder J, Pop R, Gellatly K, Hwang Y, Maxwell Scalf S, Eastman AE, Chen JJ, Zhu LJ, Heuberger JAAC, Guo S, Koury MJ, Nordsborg NB, Socolovsky M. EpoR stimulates rapid cycling and larger red cells during mouse and human erythropoiesis. Nature Communications 2021, 12: 7334. PMID: 34921133, PMCID: PMC8683474, DOI: 10.1038/s41467-021-27562-4.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsAntigens, CDBcl-X ProteinCD4 AntigensCell CycleCell DifferentiationCell NucleusCell SizeCell SurvivalCyclin-Dependent Kinase Inhibitor p27Embryo, MammalianErythroblastsErythrocytesErythropoiesisErythropoietinFemaleFetusHealthy VolunteersHumansIronLiverMaleMice, Inbred C57BLModels, BiologicalProtein Serine-Threonine KinasesReceptors, ErythropoietinReceptors, TransferrinReticulocytesSignal TransductionConceptsCell size regulationCell sizeSequential cell divisionsEpoR functionErythroblast survivalMouse erythroblastsCell divisionSize regulationHuman erythropoiesisErythropoietin receptorCell cycleEpoRHypoxic stressRed cell sizeHigh erythropoietinLarger red cellsWild-type miceCyclingErythroblastsRegulationHigher EPO levelsMiceRed cellsSurvivalErythropoiesisEpor Stimulates Rapid Cycling and Larger Red Cells during Mouse and Human Erythropoiesis
Hidalgo D, Bejder J, Pop R, Gellatly K, Hwang Y, Scalf S, Eastman A, Chen J, Zhu L, Heuberger J, Guo S, Koury M, Nordsborg N, Socolovsky M. Epor Stimulates Rapid Cycling and Larger Red Cells during Mouse and Human Erythropoiesis. Blood 2021, 138: 852. DOI: 10.1182/blood-2021-154403.Peer-Reviewed Original ResearchErythroid terminal differentiationCell divisionCell cycleWild-type erythroblastsAnti-apoptotic protein BclCell sizeLive-cell reporterCell cycle speedNon-redundant functionsLarger red cellsFetal liver progenitorsTransferrin receptorEIF2α kinaseEpoR functionErythroblast survivalGenetic systemProtein BclHuman erythropoiesisNegative regulatorSurvival signalsTerminal differentiationEffects of EpoEpoRMouse EpoRP27 Kip1
2020
Novel Fluorescent Timer Tool Enables Characterization of Erythropoietic Differentiation Based on Differential Cell Cycling Speeds
Modepalli S, Eastman A, Shaw C, Guo S, Hattangadi S, Kupfer G. Novel Fluorescent Timer Tool Enables Characterization of Erythropoietic Differentiation Based on Differential Cell Cycling Speeds. Blood 2020, 136: 27-28. DOI: 10.1182/blood-2020-141666.Peer-Reviewed Original ResearchCell cycle speedCell divisionErythroid differentiationFusion proteinOrthochromatic erythroblastsLive-cell reporterStress erythropoiesisFluorescent timer proteinsAvailable proteomic dataSubsequent cell divisionRapid cell divisionUpregulation of genesCell cycle dynamicsErythroid cell proliferationSingle-cell levelRed fluorescent proteinFaster cycling cellsCell cycle behaviorFT proteinPhosphoproteomic investigationsDiscrete molecular targetsInducible promoterProteomic dataActive lociStress hematopoiesisReprogramming 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 Research2014 – FLUORESCENT CELL CYCLE TIMER ENABLED ANALYSIS OF NORMAL AND INEFFECTIVE ERYTHROPOIESIS
Modepalli S, Eastman A, Shaw C, Guo S, Hattangadi S, Kupfer G. 2014 – FLUORESCENT CELL CYCLE TIMER ENABLED ANALYSIS OF NORMAL AND INEFFECTIVE ERYTHROPOIESIS. Experimental Hematology 2020, 88: s32. DOI: 10.1016/j.exphem.2020.09.176.Peer-Reviewed Original ResearchCell cycle speedCell cycleLive-cell reporterFluorescent timer proteinsErythropoietic responseIneffective erythropoiesisFaster cycling cellsErythroblast stageFlow cytometric sortingStress hematopoiesisDiamond-Blackfan anemiaTimer proteinFusion proteinCellular factorsEarly progenitorsCell stagePrimary cell culturesSorted populationsCell cycling ratesMetabolic pathwaysCycling cellsStress erythropoiesisHuman CD34Cytometric sortingIntracellular ratioThe palette of techniques for cell cycle analysis
Eastman AE, Guo S. The palette of techniques for cell cycle analysis. FEBS Letters 2020, 594: 2084-2098. PMID: 32441778, PMCID: PMC9261528, DOI: 10.1002/1873-3468.13842.Peer-Reviewed Original ResearchCell cycleCell cycle analysisCell fate specificationCell division cycleCell cycle speedSingle-cell eraSingle-cell resolutionCell cycle progressionCell cycle dynamicsMulticellular organismsFate specificationCell cycle heterogeneityGenomic fidelityDivision cycleBiochemical machineryTissue homeostasisCycle progressionCellular growthCell cycle measurementsCycle analysisPalette of techniquesGenerational periodCycle dynamicsCentral roleCell numberResolving Cell Cycle Speed in One Snapshot with a Live-Cell Fluorescent Reporter
Eastman AE, Chen X, Hu X, Hartman AA, Morales A, Yang C, Lu J, Kueh HY, Guo S. Resolving Cell Cycle Speed in One Snapshot with a Live-Cell Fluorescent Reporter. Cell Reports 2020, 31: 107804. PMID: 32579930, PMCID: PMC7418154, DOI: 10.1016/j.celrep.2020.107804.Peer-Reviewed Original ResearchConceptsFluorescent reportersLive-cell fluorescent reporterCell cycle speedFluorescent timer proteinsCell proliferationCell cycle dynamicsRed fluorescent proteinFaster cycling cellsFate transitionsFusion reporterActive lociTimer proteinFluorescent proteinLength heterogeneityComplex tissuesHematopoietic cellsCycling cellsReporterFluorescence ratioCycle dynamicsProteinFunctional heterogeneityMouse strainsSolid tissuesCycle speedYAP 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 mechanismsHigh-speed automatic characterization of rare events in flow cytometric data
Qi Y, Fang Y, Sinclair DR, Guo S, Alberich-Jorda M, Lu J, Tenen DG, Kharas MG, Pyne S. High-speed automatic characterization of rare events in flow cytometric data. PLOS ONE 2020, 15: e0228651. PMID: 32045462, PMCID: PMC7012421, DOI: 10.1371/journal.pone.0228651.Peer-Reviewed Original ResearchPublisher Correction: MLL-AF9 initiates transformation from fast-proliferating myeloid progenitors
Chen X, Burkhardt DB, Hartman AA, Hu X, Eastman AE, Sun C, Wang X, Zhong M, Krishnaswamy S, Guo S. Publisher Correction: MLL-AF9 initiates transformation from fast-proliferating myeloid progenitors. Nature Communications 2020, 11: 681. PMID: 31996673, PMCID: PMC6989496, DOI: 10.1038/s41467-020-14428-4.Peer-Reviewed Original Research
2019
MLL-AF9 initiates transformation from fast-proliferating myeloid progenitors
Chen X, Burkhardt DB, Hartman AA, Hu X, Eastman AE, Sun C, Wang X, Zhong M, Krishnaswamy S, Guo S. MLL-AF9 initiates transformation from fast-proliferating myeloid progenitors. Nature Communications 2019, 10: 5767. PMID: 31852898, PMCID: PMC6920141, DOI: 10.1038/s41467-019-13666-5.Peer-Reviewed Original ResearchAnimalsCell CycleCell DifferentiationCell ProliferationCell Transformation, NeoplasticCyclin D1Disease Models, AnimalFemaleGene Expression Regulation, LeukemicGene Knock-In TechniquesHumansKaplan-Meier EstimateLeukemia, Myeloid, AcuteMaleMice, TransgenicMyeloid Progenitor CellsMyeloid-Lymphoid Leukemia ProteinOncogene Proteins, FusionPiperazinesPrimary Cell CulturePrognosisPyridinesCell 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 ResearchTargeting Fibrotic Signaling: A Review of Current Literature and Identification of Future Therapeutic Targets to Improve Wound Healing.
Hetzler PT, Dash BC, Guo S, Hsia HC. Targeting Fibrotic Signaling: A Review of Current Literature and Identification of Future Therapeutic Targets to Improve Wound Healing. Annals Of Plastic Surgery 2019, 83: e92-e95. PMID: 31246672, PMCID: PMC6851445, DOI: 10.1097/sap.0000000000001955.Peer-Reviewed Original ResearchConceptsTherapeutic targetAberrant wound healing processAppropriate physiologic responseMorbid disease processSurvival of myofibroblastsWound healingFibrotic signaling pathwaysTranscription factor/serum response factor (MRTF/SRF) pathwayFuture therapeutic targetsSmooth muscle actinFuture translational researchCurrent literatureFibrotic signalingTherapeutic optionsFibrotic lesionsTissue injuryWound healing processDisease processPhysiologic responsesSerum response factor pathwayMuscle actinFactor pathwayExcessive responseFibrosisTranslational 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