2019
Low iron promotes megakaryocytic commitment of megakaryocytic-erythroid progenitors in humans and mice
Xavier-Ferrucio J, Scanlon V, Li X, Zhang PX, Lozovatsky L, Ayala-Lopez N, Tebaldi T, Halene S, Cao C, Fleming MD, Finberg KE, Krause DS. Low iron promotes megakaryocytic commitment of megakaryocytic-erythroid progenitors in humans and mice. Blood 2019, 134: 1547-1557. PMID: 31439541, PMCID: PMC6839952, DOI: 10.1182/blood.2019002039.Peer-Reviewed Original ResearchConceptsMK lineage commitmentExtracellular signal-regulated kinase (ERK) pathwaySignal-regulated kinase pathwayMegakaryocytic-erythroid progenitorsBone marrow transplantation assaysSignal transduction analysisIron-deficient conditionsGene expression analysisMegakaryocytic commitmentLineage commitmentTransferrin receptor 2MK lineageTmprss6-/- miceIron sensorExpression analysisKinase pathwayTransduction analysisTransplantation assaysErythroid progenitorsMarrow environmentHematopoietic cellsMessenger RNAPhospho-ERK1/2Systemic iron deficiencyLow iron
2015
Regulation of actin polymerization by tropomodulin-3 controls megakaryocyte actin organization and platelet biogenesis
Sui Z, Nowak RB, Sanada C, Halene S, Krause DS, Fowler VM. Regulation of actin polymerization by tropomodulin-3 controls megakaryocyte actin organization and platelet biogenesis. Blood 2015, 126: 520-530. PMID: 25964668, PMCID: PMC4513252, DOI: 10.1182/blood-2014-09-601484.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonAnimalsApoptosisBlood PlateletsBlotting, WesternCell MembraneCell ProliferationCells, CulturedCytoplasmEmbryo, MammalianFemaleFluorescent Antibody TechniqueHematopoiesisHemorrhageImmunoprecipitationMegakaryocytesMiceMice, KnockoutMicroscopy, ConfocalMicroscopy, Electron, TransmissionMicroscopy, FluorescencePloidiesPolymerizationTropomodulinConceptsPlatelet biogenesisDemarcation membrane systemF-actinTropomodulin-3Organelle distributionProplatelet formationActin polymerizationF-actin cappingF-actin organizationF-actin cytoskeletonWild-type megakaryocytesActin cytoskeletonActin organizationMK differentiationTmod isoformsLarge proplateletsBiogenesisContractile bundlesActin filamentsDMS formationBinds tropomyosinBud sizeMK numberConfocal microscopyCytoskeleton