2023
Bone marrow sinusoidal endothelial cells are a site of Fgf23 upregulation in a mouse model of iron deficiency anemia
Li X, Lozovatsky L, Tommasini S, Fretz J, Finberg K. Bone marrow sinusoidal endothelial cells are a site of Fgf23 upregulation in a mouse model of iron deficiency anemia. Blood Advances 2023, 7: 5156-5171. PMID: 37417950, PMCID: PMC10480544, DOI: 10.1182/bloodadvances.2022009524.Peer-Reviewed Original ResearchConceptsSinusoidal endothelial cellsEndothelial cellsBone marrowBM sectionsFGF23 upregulationFibroblast growth factor 23Iron deficiencyElevated serum erythropoietinFGF23 promoter activityBM endothelial cellsGrowth factor 23Vitamin D metabolismIron deficiency anemiaSystemic iron deficiencyKnockout mice exhibitBone marrow sinusoidal endothelial cellsNormal iron balanceNonanemic controlsChronic anemiaFactor 23D metabolismEndothelial cell populationErythropoietin treatmentDeficiency anemiaMouse model
2020
NCOA4 is regulated by HIF and mediates mobilization of murine hepatic iron stores after blood loss
Li X, Lozovatsky L, Sukumaran A, Gonzalez L, Jain A, Liu D, Ayala-Lopez N, Finberg KE. NCOA4 is regulated by HIF and mediates mobilization of murine hepatic iron stores after blood loss. Blood 2020, 136: 2691-2702. PMID: 32659785, PMCID: PMC7735158, DOI: 10.1182/blood.2020006321.Peer-Reviewed Original ResearchConceptsHepatic iron storesHypoxia-inducible factorNonheme iron concentrationsIron storesBlood lossNCOA4 expressionSubunit levelsHIF-2α knockdownMurine hepatoma cell lineMessenger RNA inductionDietary ironHepatic responseHepatoma cell lineHIF-1αHepatic originIron deficiencyInducible factorMiceCell linesNCOA4PhlebotomyModest effectRNA inductionIron concentrationProlyl hydroxylases
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 ironGenetic loss of Tmprss6 alters terminal erythroid differentiation in a mouse model of β-thalassemia intermedia
Stagg DB, Whittlesey RL, Li X, Lozovatsky L, Gardenghi S, Rivella S, Finberg KE. Genetic loss of Tmprss6 alters terminal erythroid differentiation in a mouse model of β-thalassemia intermedia. Haematologica 2019, 104: e442-e446. PMID: 30819909, PMCID: PMC6886429, DOI: 10.3324/haematol.2018.213371.Peer-Reviewed Original Research