Featured Publications
Mutations 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
2011
Tmprss6 is a genetic modifier of the Hfe-hemochromatosis phenotype in mice
Finberg KE, Whittlesey RL, Andrews NC. Tmprss6 is a genetic modifier of the Hfe-hemochromatosis phenotype in mice. Blood 2011, 117: 4590-4599. PMID: 21355094, PMCID: PMC3099575, DOI: 10.1182/blood-2010-10-315507.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntimicrobial Cationic PeptidesFemaleGenotypeHemochromatosisHemochromatosis ProteinHepcidinsHeterozygoteHistocompatibility Antigens Class IHomozygoteHumansIronLiverMaleMembrane ProteinsMiceMice, Inbred C57BLMice, TransgenicPhenotypeSerine EndopeptidasesSignal TransductionUp-RegulationConceptsBMP/SmadBone morphogenetic proteinSystemic iron deficiencyGenetic lossHereditary hemochromatosis protein HFENatural genetic variationHemochromatosis protein HFEIron deficiencySmad target genesIron deficiency anemiaSystemic iron overloadElevated hepatic expressionExpression of hepcidinIron-refractory iron deficiency anemiaTransmembrane serine proteaseDietary iron absorptionSystemic iron homeostasisGenetic variationGenetic approachesTarget genesMacrophage iron releaseHepcidin elevationMorphogenetic proteinsDeficiency anemiaHepcidin production
2010
Down-regulation of Bmp/Smad signaling by Tmprss6 is required for maintenance of systemic iron homeostasis
Finberg KE, Whittlesey RL, Fleming MD, Andrews NC. Down-regulation of Bmp/Smad signaling by Tmprss6 is required for maintenance of systemic iron homeostasis. Blood 2010, 115: 3817-3826. PMID: 20200349, PMCID: PMC2865872, DOI: 10.1182/blood-2009-05-224808.Peer-Reviewed Original ResearchMeSH KeywordsAnemia, Iron-DeficiencyAnimalsAntimicrobial Cationic PeptidesBlotting, WesternBone Morphogenetic ProteinsDown-RegulationFemaleGPI-Linked ProteinsHemochromatosis ProteinHepatocytesHepcidinsHomeostasisInhibitor of Differentiation Protein 1IronLiverMembrane ProteinsMiceMice, Inbred C57BLMice, KnockoutReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSerine EndopeptidasesSignal TransductionSmad ProteinsConceptsIron deficiency anemiaSystemic iron homeostasisHepcidin expressionSmad signalingIntravenous iron therapyOral iron treatmentSystemic iron overloadIron regulatory hormone hepcidinBMP/Smad signalingBmp6 mRNA levelsSmad Signaling PathwayIron homeostasisIron therapyIron storesDeficiency anemiaIron overloadHepatic levelsType II transmembrane serine proteaseIRIDA patientsTransmembrane serine proteaseFamilial disorderHormone hepcidinIron treatmentHepcidin transcriptionMice
2009
Iron-Refractory Iron Deficiency Anemia
Finberg KE. Iron-Refractory Iron Deficiency Anemia. Seminars In Hematology 2009, 46: 378-386. PMID: 19786206, DOI: 10.1053/j.seminhematol.2009.06.006.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsMeSH KeywordsAdministration, OralAnemia, Iron-DeficiencyAnemia, RefractoryAntimicrobial Cationic PeptidesChildChild, PreschoolFemaleGPI-Linked ProteinsHematinicsHemochromatosis ProteinHepcidinsHumansInfantInfusions, ParenteralIronIron CompoundsLiverMaleMembrane ProteinsMutationSerine EndopeptidasesTreatment FailureUp-RegulationConceptsIron-refractory iron deficiency anemiaIron deficiency anemiaDeficiency anemiaOral iron treatmentParenteral iron therapyAutosomal recessive disorderIron therapyClinical presentationRecent studiesHepcidin expressionIron absorptionIRIDA patientsTransmembrane serine proteaseIron treatmentAnemiaElevated levelsRecessive disorderHepcidinLiverDisordersTMPRSS6Serine proteases