Xing Feng
Associate Research ScientistAbout
Research
Publications
2025
Spatiotemporal dynamics of fetal liver hematopoietic niches
Peixoto M, Soares-da-Silva F, Bonnet V, Zhou Y, Ronteix G, Santos R, Mailhe M, Nogueira G, Feng X, Pereira J, Azzoni E, Anselmi G, de Bruijn M, Perkins A, Baroud C, Pinto-do-Ó P, Cumano A. Spatiotemporal dynamics of fetal liver hematopoietic niches. Journal Of Experimental Medicine 2025, 222: e20240592. PMID: 39775824, PMCID: PMC11706214, DOI: 10.1084/jem.20240592.Peer-Reviewed Original ResearchConceptsFetal liverSource of hematopoietic growth factorsStromal cellsNon-hematopoietic stromal cellsHematopoietic growth factorsCytokine production patternsStromal cell populationsNeighboring stromal cellsEmbryonic hematopoietic cellsFetal hematopoiesisComplex cellular interactionsHematopoietic progenitorsHematopoietic cellsGrowth factorCell populationsFL developmentCellular interactionsCellsDevelopmental changesSignaling networks
2023
Cell 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 mechanismsMature B cells and mesenchymal stem cells control emergency myelopoiesis
Lim V, Feng X, Miao R, Zehentmeier S, Ewing-Crystal N, Lee M, Tumanov A, Oh J, Iwasaki A, Wang A, Choi J, Pereira J. Mature B cells and mesenchymal stem cells control emergency myelopoiesis. Life Science Alliance 2023, 6: e202301924. PMID: 36717247, PMCID: PMC9889502, DOI: 10.26508/lsa.202301924.Peer-Reviewed Original ResearchConceptsMarrow mesenchymal stem cellsSystemic inflammationMature B cellsB cellsEmergency myelopoiesisMesenchymal stem cellsIL-1 receptorBone marrow mesenchymal stem cellsStem cellsMyeloid cell productionMonocyte numbersB lineage cellsCCL2 productionViral infectionLymphotoxin α1β2InflammationReduced survivalLymphopoietic activityMyelopoiesisLymphopoiesisImportant regulatorLTβRCell productionCellsGenetic blocking
2022
Competition between hematopoietic stem and progenitor cells controls hematopoietic stem cell compartment size
Miao R, Chun H, Feng X, Gomes AC, Choi J, Pereira JP. Competition between hematopoietic stem and progenitor cells controls hematopoietic stem cell compartment size. Nature Communications 2022, 13: 4611. PMID: 35941168, PMCID: PMC9360400, DOI: 10.1038/s41467-022-32228-w.Peer-Reviewed Original ResearchConceptsMesenchymal stem/progenitor cellsMembrane-bound stem cell factorHematopoietic progenitorsLineage-restricted progenitorsProgenitor cellsEndothelial cellsCell compartment sizeStem/progenitor cellsEarly hematopoietic progenitorsStem cell factorCell competitionCellular competitionTranscriptomic heterogeneityHSC expansionHematopoietic stemHematopoietic cellsCell factorHematopoietic factorsHSC numbersProgenitorsHomeostatic balanceCellsCompartment sizeHSCsMultipotent
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