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 cellsSurvivalErythropoiesis
2020
Resolving 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 speed
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 example