Featured Publications
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 hydroxylasesIron-Refractory Iron Deficiency Anemia (IRIDA)
Heeney MM, Finberg KE. Iron-Refractory Iron Deficiency Anemia (IRIDA). Hematology/Oncology Clinics Of North America 2014, 28: 637-652. PMID: 25064705, DOI: 10.1016/j.hoc.2014.04.009.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsIron deficiency anemiaIron-refractory iron deficiency anemiaDeficiency anemiaChronic blood lossOral iron supplementationParenteral iron therapyInadequate dietary intakeSingle clinical entitySystemic iron homeostasisIron therapyBlood lossClinical featuresClinical entityIron supplementationDietary intakeAnemiaMultiple family membersCommon global problemTMPRSS6 geneRecent genetic studiesFamily membersIron homeostasisEtiologyTherapyIntakeMutations in TMPRSS6 cause iron-refractory iron deficiency anemia (IRIDA)
Finberg KE, Heeney MM, Campagna DR, Aydınok Y, Pearson HA, Hartman KR, Mayo MM, Samuel SM, Strouse JJ, Markianos K, Andrews NC, Fleming MD. Mutations in TMPRSS6 cause iron-refractory iron deficiency anemia (IRIDA). Nature Genetics 2008, 40: 569-571. PMID: 18408718, PMCID: PMC3104019, DOI: 10.1038/ng.130.Peer-Reviewed Original ResearchConceptsIron-refractory iron deficiency anemiaIron deficiency anemia refractoryChronic blood lossOral iron therapyInadequate dietary intakeIron deficiency anemiaIron regulatory hormone hepcidinSystemic iron homeostasisAnemia refractoryIron therapyBlood lossDeficiency anemiaDietary intakeType II transmembrane serine proteaseTransmembrane serine proteaseHormone hepcidinIron deficiencyGermline mutationsTMPRSS6Iron homeostasisSerine proteasesAnemiaTherapyHepcidinMutations
2021
Bone Marrow Sinusoidal Endothelial Cells Are a Site of Fgf23 Upregulation in Iron Deficiency Anemia
Li X, Lozovatsky L, Fretz J, Finberg K. Bone Marrow Sinusoidal Endothelial Cells Are a Site of Fgf23 Upregulation in Iron Deficiency Anemia. Blood 2021, 138: 759. DOI: 10.1182/blood-2021-153329.Peer-Reviewed Original ResearchIron deficiency anemiaSinusoidal endothelial cellsBone marrow sinusoidal endothelial cellsNon-anemic controlsBone marrowFGF23 upregulationEndothelial cellsHepcidin elevationDeficiency anemiaFGF23 productionSerum erythropoietinChronic iron deficiency anemiaIron deficiencyFGF23 promoter activityTissue iron deficiencyIron-restricted anemiaFemurs of miceSystemic iron deficiencyBone marrow sectionsReporter alleleNormal iron balanceEndothelial cell subtypesTotal FGF23Phosphaturic hormoneBlood loss