TMPRSS6

Summary

Gene Symbol: TMPRSS6
Description: transmembrane protease, serine 6
Alias: IRIDA, matriptase-2, membrane-bound mosaic serine proteinase matriptase-2, transmembrane protease serine 6, type II transmembrane serine protease 6
Species: human

Top Publications

  1. ncbi Pathogenesis and management of iron deficiency anemia: emerging role of celiac disease, helicobacter pylori, and autoimmune gastritis
    Chaim Hershko
    Department of Hematology, Shaare Zedek Medical Center and Hebrew University of Jerusalem, Israel
    Semin Hematol 46:339-50. 2009
  2. ncbi Down-regulation of Bmp/Smad signaling by Tmprss6 is required for maintenance of systemic iron homeostasis
    Karin E Finberg
    Department of Pathology, Duke University School of Medicine, Durham, NC 27710, USA
    Blood 115:3817-26. 2010
  3. ncbi Mutations in TMPRSS6 cause iron-refractory iron deficiency anemia (IRIDA)
    Karin E Finberg
    Pathology Service, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    Nat Genet 40:569-71. 2008
  4. ncbi Common variants in TMPRSS6 are associated with iron status and erythrocyte volume
    Beben Benyamin
    Queensland Institute of Medical Research, Brisbane, Queensland, Australia
    Nat Genet 41:1173-5. 2009
  5. ncbi Genome-wide association study identifies variants in TMPRSS6 associated with hemoglobin levels
    John C Chambers
    Department of Epidemiology and Public Health, Imperial College London, London, UK
    Nat Genet 41:1170-2. 2009
  6. ncbi The serine protease matriptase-2 (TMPRSS6) inhibits hepcidin activation by cleaving membrane hemojuvelin
    Laura Silvestri
    Vita Salute San Raffaele University, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS San Raffaele, Milan, Italy
    Cell Metab 8:502-11. 2008
  7. ncbi Variants in TF and HFE explain approximately 40% of genetic variation in serum-transferrin levels
    Beben Benyamin
    Queensland Institute of Medical Research, Brisbane 4029, Australia
    Am J Hum Genet 84:60-5. 2009
  8. ncbi Matriptase-2, a membrane-bound mosaic serine proteinase predominantly expressed in human liver and showing degrading activity against extracellular matrix proteins
    Gloria Velasco
    Departamento de Bioquimica y Biologia Molecular, Instituto Universitario de Oncologia, Universidad de Oviedo, 33006 Oviedo, Spain
    J Biol Chem 277:37637-46. 2002
  9. ncbi Role of matriptase-2 (TMPRSS6) in iron metabolism
    Pauline Lee
    Department of Molecular and Experimental Medicine, Scripps Research Institute, La Jolla, California 92037, USA
    Acta Haematol 122:87-96. 2009
  10. ncbi Matriptase-2 mutations in iron-refractory iron deficiency anemia patients provide new insights into protease activation mechanisms
    Andrew J Ramsay
    Departamento de Bioquimica y Biologia Molecular, Facultad de Medicina, Instituto Universitario de Oncologia, Universidad de Oviedo, 33006 Oviedo, Spain
    Hum Mol Genet 18:3673-83. 2009

Scientific Experts

  • J Krijt
  • Clara Camaschella
  • Karin E Finberg
  • Beben Benyamin
  • C Parr
  • Isabelle Tchou
  • John C Chambers
  • Santhi K Ganesh
  • Konrad Oexle
  • Pauline L Lee
  • Chaim Hershko
  • Manuel A R Ferreira
  • Toshiko Tanaka
  • Martina U Muckenthaler
  • Andrew J Sanders
  • Jaana M Hartikainen
  • An Sheng Zhang
  • Samira Lakhal
  • Xin Du
  • Laura Silvestri
  • Alessia Pagani
  • Mark D Fleming
  • Antonella Nai
  • Andrew J Ramsay
  • Milena Cau
  • Mark Fleming
  • Nancy Andrews
  • Nancy Catherine Andrews
  • Gloria Velasco
  • Carlos Lopez-Otin
  • Maria Antonietta Melis
  • Sandro Altamura
  • Michela Traglia
  • Domenico Girelli
  • Natascia Campostrini
  • Renzo Galanello
  • Carole Beaumont
  • Bernard Grandchamp
  • Jaroslav Truksa
  • Flavia Guillem
  • Alicia R Folgueras
  • John D Hooper
  • Anita Kloss-Brandstätter
  • Wei Gan
  • Hyoung Soo Choi
  • Gunter Weiss
  • Stefania Bertoncini
  • Michela Corbella
  • Tsutomu Sato
  • François Béliveau
  • Daniela Toniolo
  • He ming Wu
  • J V Neves
  • Irene Pichler
  • Dorine W Swinkels
  • Delphine Meynard
  • David Schlessinger
  • Luigi Ferrucci
  • Manuela Uda
  • Serena Sanna
  • Gregory J Anderson
  • Eleonora Porcu
  • Valentina Vaja
  • Nicole Soranzo
  • E Beutler
  • M L H Marloes Cuijpers
  • Hiroyuki Tsuchiya
  • L Toxqui
  • Luigia De Falco
  • Julia E Maxson
  • Paola Delbini
  • Carole Brasse-Lagnel
  • Yujie Cui
  • Deepak Darshan
  • Antonio Cao
  • Rita Congiu
  • Bruce Beutler
  • Ernest Beutler
  • Terri Gelbart
  • Cecilia Garabaya
  • Caroline Kannengiesser
  • Mark Westerman
  • James P Quigley
  • Victor Quesada
  • Sarah Netzel-Arnett
  • Dong Xie
  • Huaixing Li
  • Florian Kronenberg
  • Stefan Coassin
  • Claudia Lamina

Detail Information

Publications68

  1. ncbi Pathogenesis and management of iron deficiency anemia: emerging role of celiac disease, helicobacter pylori, and autoimmune gastritis
    Chaim Hershko
    Department of Hematology, Shaare Zedek Medical Center and Hebrew University of Jerusalem, Israel
    Semin Hematol 46:339-50. 2009
    ..However, abnormal iron absorption caused by hereditary iron-refractory iron deficiency anemia (IRIDA) or acquired disease is increasingly recognized as an important cause of unexplained iron deficiency...
  2. ncbi Down-regulation of Bmp/Smad signaling by Tmprss6 is required for maintenance of systemic iron homeostasis
    Karin E Finberg
    Department of Pathology, Duke University School of Medicine, Durham, NC 27710, USA
    Blood 115:3817-26. 2010
    ..Previously, we showed that IRIDA patients harbor loss-of-function mutations in TMPRSS6, a type II transmembrane serine protease primarily expressed by the liver...
  3. ncbi Mutations in TMPRSS6 cause iron-refractory iron deficiency anemia (IRIDA)
    Karin E Finberg
    Pathology Service, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
    Nat Genet 40:569-71. 2008
    ..Here, we show that iron deficiency anemia refractory to oral iron therapy can be caused by germline mutations in TMPRSS6, which encodes a type II transmembrane serine protease produced by the liver that regulates the expression of the ..
  4. ncbi Common variants in TMPRSS6 are associated with iron status and erythrocyte volume
    Beben Benyamin
    Queensland Institute of Medical Research, Brisbane, Queensland, Australia
    Nat Genet 41:1173-5. 2009
    ..1 x 10(-10)). We also find suggestive evidence of association with blood hemoglobin levels (combined P = 5.3 x 10(-7)). These findings demonstrate the involvement of TMPRSS6 in control of iron homeostasis and in normal erythropoiesis.
  5. ncbi Genome-wide association study identifies variants in TMPRSS6 associated with hemoglobin levels
    John C Chambers
    Department of Epidemiology and Public Health, Imperial College London, London, UK
    Nat Genet 41:1170-2. 2009
    ..most closely associated SNP (rs855791) results in nonsynonymous (V736A) change in the serine protease domain of TMPRSS6 and a blood hemoglobin concentration 0.13 (95% CI 0.09-0.17) g/dl lower per copy of allele A (P = 1.6 x 10(-13))...
  6. ncbi The serine protease matriptase-2 (TMPRSS6) inhibits hepcidin activation by cleaving membrane hemojuvelin
    Laura Silvestri
    Vita Salute San Raffaele University, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS San Raffaele, Milan, Italy
    Cell Metab 8:502-11. 2008
    ..The transmembrane serine protease matriptase-2 (TMPRSS6) inhibits the hepcidin response and its mutational inactivation causes iron-deficient anemia in mice and humans...
  7. ncbi Variants in TF and HFE explain approximately 40% of genetic variation in serum-transferrin levels
    Beben Benyamin
    Queensland Institute of Medical Research, Brisbane 4029, Australia
    Am J Hum Genet 84:60-5. 2009
    ....
  8. ncbi Matriptase-2, a membrane-bound mosaic serine proteinase predominantly expressed in human liver and showing degrading activity against extracellular matrix proteins
    Gloria Velasco
    Departamento de Bioquimica y Biologia Molecular, Instituto Universitario de Oncologia, Universidad de Oviedo, 33006 Oviedo, Spain
    J Biol Chem 277:37637-46. 2002
    ....
  9. ncbi Role of matriptase-2 (TMPRSS6) in iron metabolism
    Pauline Lee
    Department of Molecular and Experimental Medicine, Scripps Research Institute, La Jolla, California 92037, USA
    Acta Haematol 122:87-96. 2009
    ..Mutations in a type II serine protease, matriptase-2/TMPRSS6, were recently identified to be associated with severe iron deficiency caused by inappropriately high levels of ..
  10. ncbi Matriptase-2 mutations in iron-refractory iron deficiency anemia patients provide new insights into protease activation mechanisms
    Andrew J Ramsay
    Departamento de Bioquimica y Biologia Molecular, Facultad de Medicina, Instituto Universitario de Oncologia, Universidad de Oviedo, 33006 Oviedo, Spain
    Hum Mol Genet 18:3673-83. 2009
    ..Here we describe two novel heterozygous mutations within the matriptase-2 (TMPRSS6) gene of monozygotic twin girls exhibiting an IRIDA phenotype...
  11. ncbi The type II transmembrane serine protease matriptase-2--identification, structural features, enzymology, expression pattern and potential roles
    Andrew J Ramsay
    Institute of Health and Biomedical Innovation, Queensland University of Technology, Kelvin Grove, Queensland 4059, Australia
    Front Biosci 13:569-79. 2008
    Matriptase-2 (also known as TMPRSS6) is a recently identified member of the type II transmembrane serine protease (TTSP) family...
  12. ncbi A mutation in the TMPRSS6 gene, encoding a transmembrane serine protease that suppresses hepcidin production, in familial iron deficiency anemia refractory to oral iron
    Maria Antonietta Melis
    Dipartimento di Scienze Biomediche e Biotecnologie, Universita di Cagliari, Cagliari, Italy
    Haematologica 93:1473-9. 2008
    ..Defective hepcidin synthesis causes iron loading, while overproduction results in defective reticuloendothelial iron release and iron absorption...
  13. ncbi Candidate gene sequencing of SLC11A2 and TMPRSS6 in a family with severe anaemia: common SNPs, rare haplotypes, no causative mutation
    Anita Kloss-Brandstätter
    Division of Genetic Epidemiology, Department of Medical Genetics, Molecular and Clinical Pharmacology, Innsbruck Medical University, Innsbruck, Austria
    PLoS ONE 7:e35015. 2012
    ..iron deficiency anaemia (IRIDA) is a rare disorder which was linked to mutations in two genes (SLC11A2 and TMPRSS6). Common polymorphisms within these genes were associated with serum iron levels...
  14. ncbi Association of TMPRSS6 polymorphisms with ferritin, hemoglobin, and type 2 diabetes risk in a Chinese Han population
    Wei Gan
    Key Laboratory of Nutrition and Metabolism, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Graduate School of the Chinese Academy of Sciences, Shanghai, China
    Am J Clin Nutr 95:626-32. 2012
    b>Transmembrane protease serine 6 (TMPRSS6) regulates iron homeostasis by inhibiting the expression of hepcidin...
  15. ncbi A novel mutation Gly603Arg of TMPRSS6 in a Korean female with iron-refractory iron deficiency anemia
    Hyoung Soo Choi
    Department of Pediatrics, Seoul National University Bundang Hospital, Seongnam, Korea
    Pediatr Blood Cancer 58:640-2. 2012
    ..The genetic background of IRIDA is mutations in the TMPRSS6 gene encoding matriptase-2 (TMPRSS6) that prevent inactivation of hemojuvelin, an activator of hepcidin ..
  16. ncbi Common TMPRSS6 mutations and iron, erythrocyte, and pica phenotypes in 48 women with iron deficiency or depletion
    Pauline L Lee
    Department of Molecular and Experimental Medicine, Scripps Research Institute, La Jolla, CA, USA
    Blood Cells Mol Dis 48:124-7. 2012
    b>TMPRSS6 A736V is associated with lower transferrin saturation (TS), hemoglobin (Hb), and mean corpuscular volume (MCV) levels in general adult populations...
  17. ncbi Severe microcytic anemia but increased erythropoiesis in mice lacking Hfe or Tfr2 and Tmprss6
    Pauline Lee
    The Scripps Research Institute, Department of Molecular and Experimental Medicine, La Jolla, CA, USA
    Blood Cells Mol Dis 48:173-8. 2012
    Cell surface proteins Hfe, Tfr2, hemojuvelin and Tmprss6 play key roles in iron homeostasis. Hfe and Tfr2 induce transcription of hepcidin, a small peptide that promotes the degradation of the iron transporter ferroportin...
  18. ncbi Responsiveness to oral iron and ascorbic acid in a patient with IRIDA
    Milena Cau
    Dipartimento di Scienze Biomediche e Biotecnologie, Universita di Cagliari, Italy
    Blood Cells Mol Dis 48:121-3. 2012
    Mutations in TMPRSS6 gene cause iron-refractory iron deficiency anemia, a rare autosomal recessive disorder characterized by hypochromic microcytic anemia not responsive to oral iron therapy and partially responsive to parenteral iron ..
  19. ncbi Genetic variability of TMPRSS6 and its association with iron deficiency anaemia
    Paola Delbini
    Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico, University of Milan, Italy
    Br J Haematol 151:281–4. 2010
    Transmembrane Protease, Serine 6 (TMPRSS6) has an important role in iron homeostasis and its mutations, performed in TMPRSS6-deficient mice, have been recently associated with iron-refractory iron deficiency anaemia (IRIDA)...
  20. ncbi Novel association to the proprotein convertase PCSK7 gene locus revealed by analysing soluble transferrin receptor (sTfR) levels
    Konrad Oexle
    Institute of Human Genetics, MRI, Technische Universitat Munchen, Munich, Germany
    Hum Mol Genet 20:1042-7. 2011
    ..of five genome-wide association studies on sTfR and ferritin revealed novel association to the PCSK7 and TMPRSS6 loci for sTfR and the HFE locus for both parameters...
  21. ncbi Suppression of hepatic hepcidin expression in response to acute iron deprivation is associated with an increase of matriptase-2 protein
    An Sheng Zhang
    Department of Cell and Developmental Biology, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
    Blood 117:1687-99. 2011
    ..demonstrate a pivotal role for bone morphogenic protein-6 (BMP6) and matriptase-2, a protein encoded by the TMPRSS6 gene, in the induction and suppression of hepatic hepcidin expression, respectively...
  22. ncbi Iron-deficiency anemia secondary to mutations in genes controlling hepcidin
    Milena Cau
    Dipartimento di Scienze Biomediche e Biotecnologie Università di Cagliari, Ospedale Regionale Microcitemie ASL Cagliari, Via Jenner s n, Cagliari, Italy
    Expert Rev Hematol 3:205-16. 2010
    ..In 2008, a new gene, TMPRSS6, was identified that encodes a negative regulator of hepcidin expression...
  23. ncbi Common variants at 10 genomic loci influence hemoglobin A₁(C) levels via glycemic and nonglycemic pathways
    Nicole Soranzo
    Human Genetics, Wellcome Trust Sanger Institute, Hinxton, U K
    Diabetes 59:3229-39. 2010
    ..We aimed to identify such genetic factors and investigate the extent to which they influence diabetes classification based on HbA₁(c) levels...
  24. ncbi Identification of a common variant in the TFR2 gene implicated in the physiological regulation of serum iron levels
    Irene Pichler
    Institute of Genetic Medicine, European Academy Bozen Bolzano, 39100 Bolzano, Italy
    Hum Mol Genet 20:1232-40. 2011
    ..an association between the HFE locus and ferritin and confirmed previously reported associations with the TF, TMPRSS6 and HFE genes...
  25. ncbi Matriptase-2- and proprotein convertase-cleaved forms of hemojuvelin have different roles in the down-regulation of hepcidin expression
    Julia E Maxson
    Department of Cell and Developmental Biology, Oregon Health and Science University, Portland, Oregon 97239, USA
    J Biol Chem 285:39021-8. 2010
    ..These results suggest that the matriptase-2 and proprotein convertase-cleavage products have different roles in the regulation of hepcidin expression...
  26. ncbi Regulation of type II transmembrane serine proteinase TMPRSS6 by hypoxia-inducible factors: new link between hypoxia signaling and iron homeostasis
    Samira Lakhal
    Henry Wellcome Building for Molecular Physiology, University of Oxford, Oxford OX3 7BN, United Kingdom
    J Biol Chem 286:4090-7. 2011
    ..Type II transmembrane serine proteinase (TMPRSS6) antagonizes hepcidin induction by BMPs by cleaving HJV from the cell membrane...
  27. ncbi Inherited disorders of iron metabolism
    Clara Camaschella
    Vita Salute University, San Raffaele Scientific Institute, Milan, Italy
    Curr Opin Pediatr 23:14-20. 2011
    ..To discuss inherited iron disorders, their pathophysiology and clinical implications in the light of the recent advances in our knowledge of iron metabolism and its regulation...
  28. ncbi TMPRSS6 rs855791 modulates hepcidin transcription in vitro and serum hepcidin levels in normal individuals
    Antonella Nai
    Division of Genetics and Cell Biology, San Raffaele Scientific Institute, Verona, Italy
    Blood 118:4459-62. 2011
    The iron hormone hepcidin is inhibited by matriptase-2 (MT2), a liver serine protease encoded by the TMPRSS6 gene...
  29. ncbi Association of HFE and TMPRSS6 genetic variants with iron and erythrocyte parameters is only in part dependent on serum hepcidin concentrations
    Michela Traglia
    Division of Genetics and Cell Biology, San Raffaele Research Institute, Milano, Italy
    J Med Genet 48:629-34. 2011
    ..Hepcidin is the main regulator of iron homeostasis: inappropriate production of hepcidin results in iron overload or iron deficiency and anaemia...
  30. ncbi Rapid, accurate detection of TMPRSS6 gene causative mutations with a high-resolution melting assay
    He ming Wu
    Department of Medical Genetics, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, PR China
    Blood Cells Mol Dis 47:198-204. 2011
    Mutations of the TMPRSS6 gene are considered the major genetic factors for iron-refractory iron deficiency anemia (IRIDA)...
  31. ncbi Essential role of endocytosis of the type II transmembrane serine protease TMPRSS6 in regulating its functionality
    François Béliveau
    Department of Pharmacology, Faculty of Medicine and Health Sciences, Universite de Sherbrooke, Sherbrooke, Quebec J1H 5N4, Canada
    J Biol Chem 286:29035-43. 2011
    The type II transmembrane serine protease TMPRSS6 (also known as matriptase-2) controls iron homeostasis through its negative regulation of expression of hepcidin, a key hormone involved in iron metabolism...
  32. ncbi Novel missense mutation in the TMPRSS6 gene in a Japanese female with iron-refractory iron deficiency anemia
    Tsutomu Sato
    Fourth Department of Internal Medicine, Sapporo Medical University School of Medicine, South 1, West 16, Chuo Ku, Sapporo, 060 8543, Japan
    Int J Hematol 94:101-3. 2011
    ..The disease is caused by mutations in TMPRSS6 (transmembrane protease serine 6) that prevent inactivation of membrane-bound hemojuvelin, an activator of hepcidin transcription...
  33. ncbi Low hepcidin accounts for the proinflammatory status associated with iron deficiency
    Alessia Pagani
    Vita Salute San Raffaele University and Division of Genetics and Cell Biology, San Raffaele Scientific Institute, Milan, Italy
    Blood 118:736-46. 2011
    ..b>Tmprss6(-/-) mice, characterized by iron deficiency and high hepcidin, show a blunted inflammatory response when ..
  34. ncbi Regulation of TMPRSS6 by BMP6 and iron in human cells and mice
    Delphine Meynard
    Program in Membrane Biology, Division of Nephrology, Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Blood 118:747-56. 2011
    Mutations in transmembrane protease, serine 6 (TMPRSS6), encoding matriptase-2, are responsible for the familial anemia disorder iron-refractory iron deficiency anemia (IRIDA)...
  35. ncbi Liver hemojuvelin protein levels in mice deficient in matriptase-2 (Tmprss6)
    Jan Krijt
    Institute of Pathophysiology and Center of Experimental Hematology, Charles University in Prague, Czech Republic
    Blood Cells Mol Dis 47:133-7. 2011
    Mutations of the TMPRSS6 gene, encoding the serine protease matriptase-2, lead to iron-refractory iron deficiency anemia. Matriptase-2 is a potent negative regulator of hepcidin...
  36. ncbi Tmprss6 is a genetic modifier of the Hfe-hemochromatosis phenotype in mice
    Karin E Finberg
    Department of Pathology, Duke University School of Medicine, Durham, NC, USA
    Blood 117:4590-9. 2011
    ..b>TMPRSS6, a transmembrane serine protease mutated in iron-refractory iron deficiency anemia, inhibits hepcidin expression ..
  37. ncbi Molecular mechanisms of hepcidin regulation in sea bass (Dicentrarchus labrax)
    J V Neves
    Iron and Innate Immunity, Instituto de Biologia Molecular e Celular IBMC, Rua do Campo Alegre 823, 4150 180 Porto, Portugal
    Fish Shellfish Immunol 31:1154-61. 2011
    ..labrax) several coding sequences of known molecules involved on these pathways in mammals, namely jak3, stat3, tmprss6, bmp6, bmpr2, hjv, smad4, smad5, tfr1 and tfr2...
  38. ncbi A novel SNaPshot assay to detect genetic mutations related to iron metabolism
    Stefania Bertoncini
    Department of Biology, Anthropology Unit, University of Pisa, Pisa, Italy
    Genet Test Mol Biomarkers 15:173-9. 2011
    ..targets 10 autosomal mutations in genes, or regions near to them, reported to be involved in iron metabolism: TMPRSS6, TF, and HFE...
  39. ncbi [Iron deficiency anaemia due to a matriptase-2 mutation]
    M L H Marloes Cuijpers
    Universitair Medisch Centrum St Radboud, Nijmegen, Afd Hematologie, The Netherlands
    Ned Tijdschr Geneeskd 154:A1038. 2010
    ..hepcidin-regulating proteins the patient was found to be compound heterozygous for two different mutations in the TMPRSS6 gene. This leads to a dysfunctional matriptase-2 protein for which the gene codes...
  40. ncbi Immunoassay for human serum hemojuvelin
    Carole Brasse-Lagnel
    Laboratoire de Biochimie Medicale, hôpital universitaire de Rouen, EA4309 Endothélium Microvasculaire et Lésions Cérébrales Néonatales, Universite de Rouen, Rouen, France
    Haematologica 95:2031-7. 2010
    ..can be produced by secretion following furin cleavage or by proteolytic cleavage of the membrane-bound form by matriptase 2 (TMPRSS6). These forms contribute to down-regulation of hepcidin expression upon iron deficiency or hypoxia...
  41. ncbi SELDI-TOF MS detection of urinary hepcidin
    Sandro Altamura
    Department of Pediatric Oncology, Haematology and Immunology, University Hospital of Heidelberg Molecular Medicine Partnership Unit, Im Neuenheimer Feld 156, 69120 Heidelberg, Germany
    Biochimie 91:1335-8. 2009
    ..retention in the anemias of inflammation and plays a pathogenic role in iron-refractory iron-deficiency anemia (IRIDA)...
  42. ncbi Matriptase-2 (TMPRSS6): a proteolytic regulator of iron homeostasis
    Andrew J Ramsay
    Departamento de Bioquimica y Biologia Molecular, Facultad de Medicina, Universidad de Oviedo, Oviedo, Spain
    Haematologica 94:840-9. 2009
    ..The type-two transmembrane serine protease (TTSP), matriptase-2 (also known as TMPRSS6), is attracting significant amounts of interest due to its recently described role in iron homeostasis...
  43. ncbi Molecular mechanisms of the defective hepcidin inhibition in TMPRSS6 mutations associated with iron-refractory iron deficiency anemia
    Laura Silvestri
    Vita Salute University, San Raffaele Scientific Institute, Milan, Italy
    Blood 113:5605-8. 2009
    ..Our results underline the importance of LDLRA and CUB domains of matriptase-2...
  44. ncbi Hepcidin downregulation by repeated bleeding is not mediated by soluble hemojuvelin
    J Krijt
    Institute of Pathophysiology and Center of Experimental Hematology, Charles University in Prague, First Faculty of Medicine, Prague, Czech Republic
    Physiol Res 59:53-9. 2010
    ..Liver and muscle furin mRNA content was not significantly changed. No effect on hepatic Tmprss6 mRNA content was observed...
  45. ncbi Interacting signals in the control of hepcidin expression
    Deepak Darshan
    Iron Metabolism Laboratory, Queensland Institute of Medical Research and the University of Queensland, PO Royal Brisbane Hospital, Brisbane, QLD, Australia
    Biometals 22:77-87. 2009
    ..levels by acting through hepatocyte cell surface proteins including HFE, transferrin receptor 2, hemojuvelin, TMPRSS6 and the IL-6R...
  46. ncbi Two nonsense mutations in the TMPRSS6 gene in a patient with microcytic anemia and iron deficiency
    Flavia Guillem
    Assistance publique des Hôpitaux de Paris APHP, Laboratoire de Génétique et Biochimie Hormonale, Hopital Bichat, Paris, France
    Blood 112:2089-91. 2008
    ..with poor intestinal absorption and defective iron utilization of IV iron is caused by inherited mutations in TMPRSS6, a liver-expressed gene that encodes a membrane-bound serine protease of previously unknown role that was ..
  47. ncbi Fine tuning of hepcidin expression by positive and negative regulators
    Martina U Muckenthaler
    Department of Pediatric Oncology, Haematology and Immunology, University Hospital of Heidelberg, Molecular Medicine Partnership Unit, Im Neuenheimer Feld 156, 69120 Heidelberg, Germany
    Cell Metab 8:1-3. 2008
    ..Three recent publications now identify a novel hepcidin suppressor, the transmembrane serine protease TMPRSS6 (also known as matriptase-2), which is required to sense iron deficiency.
  48. ncbi Membrane-bound serine protease matriptase-2 (Tmprss6) is an essential regulator of iron homeostasis
    Alicia R Folgueras
    Departamento de Bioquimica y Biologia Molecular, Facultad de Medicina, Instituto Universitario de Oncologia, Universidad de Oviedo, Spain
    Blood 112:2539-45. 2008
    ..Here we show that matriptase-2 (Tmprss6), a recently described member of the TTSP family, is an essential regulator of iron homeostasis...
  49. ncbi The serine protease TMPRSS6 is required to sense iron deficiency
    Xin Du
    Department of Genetics, Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
    Science 320:1088-92. 2008
    ..caused by high levels of hepcidin and is due to a splicing defect in the transmembrane serine protease 6 gene Tmprss6. Overexpression of normal TMPRSS6 protein suppresses activation of the Hamp promoter, and the TMPRSS6 cytoplasmic ..
  50. ncbi Genetic upregulation of matriptase-2 reduces the aggressiveness of prostate cancer cells in vitro and in vivo and affects FAK and paxillin localisation
    Andrew J Sanders
    Metastasis and Angiogenesis Research Group, Cardiff University School of Medicine, Cardiff, UK
    J Cell Physiol 216:780-9. 2008
    ..Furthermore, the data presented implies a possible connection between matriptase-2 and the paxillin and FAK adhesion molecules which may ultimately contribute to the reduced migration rates seen in this study...
  51. ncbi Matriptase-2 inhibits breast tumor growth and invasion and correlates with favorable prognosis for breast cancer patients
    Christian Parr
    Metastasis and Angiogenesis Research Group, School of Medicine, Cardiff University, Cardiff, United Kingdom
    Clin Cancer Res 13:3568-76. 2007
    ..The role of matriptase-2 and its cellular function in cancer is unknown. This study aimed to provide new insights into the significance of matriptase-2 in cancer...
  52. ncbi Refinement of the 22q12-q13 breast cancer--associated region: evidence of TMPRSS6 as a candidate gene in an eastern Finnish population
    Jaana M Hartikainen
    Department of Pathology, University of Kuopio, Finland
    Clin Cancer Res 12:1454-62. 2006
    ..A SNP (rs733655) in matriptase-2 gene (TMPRSS6) was detected to associate with breast cancer risk...
  53. ncbi Haematologic data, iron parameters and molecular findings in two new cases of iron-refractory iron deficiency anaemia
    Isabelle Tchou
    Geneva University Hospitals, Switzerland
    Eur J Haematol 83:595-602. 2009
    Matriptase-2 (Tmprss6), a type II transmembrane serine protease, has an essential role in iron homoeostasis as a hepcidin regulator...
  54. ncbi Suppression of the hepcidin-encoding gene Hamp permits iron overload in mice lacking both hemojuvelin and matriptase-2/TMPRSS6
    Jaroslav Truksa
    Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA
    Br J Haematol 147:571-81. 2009
    ..is countered through a pathway involving the hepatocyte-specific plasma membrane protease matriptase-2 encoded by TMPRSS6, leading to suppression of HAMP expression...
  55. ncbi Iron-refractory iron deficiency anemia: new molecular mechanisms
    Yujie Cui
    Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, First Affiliated Hospital, Soochow University, Suzhou, China
    Kidney Int 76:1137-41. 2009
    ..In mice, defects in the Tmprss6 gene encoding matriptase-2 result in high hepcidin expression and cause severe microcytic anemia...
  56. ncbi A novel TMPRSS6 mutation that prevents protease auto-activation causes IRIDA
    Sandro Altamura
    Department of Pediatric Oncology, Haematology and Immunology, University Hospital of Heidelberg, Germany
    Biochem J 431:363-71. 2010
    ..The disease is caused by mutations in the transmembrane serine protease TMPRSS6 (transmembrane protease serine 6) that prevent inactivation of HJV (haemojuvelin), an activator of hepcidin transcription...
  57. ncbi A close association of abnormal iron metabolism with steatosis in the mice fed a choline-deficient diet
    Hiroyuki Tsuchiya
    Division of Molecular and Genetic Medicine, Department of Genetic Medicine and Regenerative Therapeutics, Graduate School of Medicine, Tottori University, Yonago, Tottori 683 8504, Japan
    Biol Pharm Bull 33:1101-4. 2010
    ..significantly downregulated hepcidin while increases in hemojuvelin and transferrin receptor 2 and a decrease in Tmprss6 expression were observed...
  58. ncbi [Iron deficiency and overload. Implications in oxidative stress and cardiovascular health]
    L Toxqui
    Departamento de Metabolismo y Nutricion, Instituto de Ciencia y Tecnología de Alimentos y Nutrición ICTAN, Instituto del Frio, Consejo Superior de Investigaciones Cientificas CSIC, Madrid, Spain
    Nutr Hosp 25:350-65. 2010
    ..overload and iron deficiency anaemia, involves mutations in several genes such as HFE, TFR2,HAMP, HJV, Tf and TMPRSS6. Iron has the capacity to accept and donate electrons easily and can catalyze reactions of free radicals ..
  59. ncbi Recent advances in iron metabolism and related disorders
    Clara Camaschella
    Università Vita Salute e IRCCS San Raffaele, Via Olgettina 60, Milan, Italy
    Intern Emerg Med 5:393-400. 2010
    ..The study of genetic conditions such as hemochromatosis and iron-refractory-iron-deficiency anemia (IRIDA) has provided crucial insights into the molecular mechanisms controlling iron homeostasis...
  60. ncbi Novel TMPRSS6 mutations associated with iron-refractory iron deficiency anemia (IRIDA)
    Luigia De Falco
    CEINGE, Centro di Ingegneria Genetica e Biotecnologie Avanzate, Via Comunale Margherita 482, Naples, Italy
    Hum Mutat 31:E1390-405. 2010
    ..In this paper we describe 12 IRIDA patients belonging to 7 unrelated families and identify 10 (9 novel) TMPRSS6 mutations spread along the gene sequence: 5 missense, 1 non sense and 4 frameshift...
  61. ncbi A genome-wide association analysis of serum iron concentrations
    Toshiko Tanaka
    MedStar Research Institute, Baltimore, MD, USA
    Blood 115:94-6. 2010
    ..12 x 10(-9)), located in exon 13 of the transmembrane protease serine 6 (TMPRSS6) gene, an enzyme that promotes iron absorption and recycling by inhibiting hepcidin ..
  62. ncbi Multiple loci influence erythrocyte phenotypes in the CHARGE Consortium
    Santhi K Ganesh
    National Human Genome Research Institute, Division of Intramural Research, Bethesda, MD, USA
    Nat Genet 41:1191-8. 2009
    ..Our findings include loci previously associated with these traits (HBS1L-MYB, HFE, TMPRSS6, TFR2, SPTA1) as well as new associations (EPO, TFRC, SH2B3 and 15 other loci)...
  63. ncbi Sequence variants in three loci influence monocyte counts and erythrocyte volume
    Manuel A R Ferreira
    Queensland Institute of Medical Research QIMR, Brisbane, QLD 4029, Australia
    Am J Hum Genet 85:745-9. 2009
    ..001, 9.9x10(-5), and 7x10(-5), respectively). The identification of these QTL provides new opportunities for furthering our understanding of the mechanisms regulating hemopoietic cell fate...
  64. ncbi Polymorphisms and mutations of human TMPRSS6 in iron deficiency anemia
    E Beutler
    Department of Molecular and Experimental Medicine, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
    Blood Cells Mol Dis 44:16-21. 2010
    ..with iron deficiency from the general population were examined for polymorphisms or sporadic mutations in TMPRSS6 to identify genetic risk factors for iron deficiency anemia...
  65. ncbi Iron-refractory iron deficiency anemia
    Karin E Finberg
    Department of Pathology, Duke University Medical Center, Durham, NC
    Semin Hematol 46:378-86. 2009
    ..IRIDA has recently been shown to be caused by mutations in the gene TMPRSS6, which encodes a transmembrane serine protease (also known as matriptase-2) expressed by the liver...
  66. ncbi Membrane anchored serine proteases: a rapidly expanding group of cell surface proteolytic enzymes with potential roles in cancer
    Sarah Netzel-Arnett
    Vascular Biology Department, Jerome H Holland Laboratory for the Biological Sciences, American Red Cross, 15601 Crabbs Branch Way, Rockville, MD 20855, USA
    Cancer Metastasis Rev 22:237-58. 2003
    ..Diagnostic or therapeutic targeting of the membrane anchored serine proteases has potential as promising new approaches for the treatment of cancer and other diseases...

Research Grants13

  1. Hemochromatosis - Epidemiology and Molecular Mechanisms
    Pauline Lee; Fiscal Year: 2009
    ..We have recently discovered that a serum protease encoded by the Tmprss6 gene is a potent downregulator of hepcidin...
  2. Mechanistic Characterization and Genetic Analysis of Systemic Iron Homeostasis
    Xin Du; Fiscal Year: 2010
    ..Mask phenotype was traced to a splicing error affecting the type II transmembrane serine protease 6 (TMPRSS6)...
  3. Mechanistic Characterization and Genetic Analysis of Systemic Iron Homeostasis
    Xin Du; Fiscal Year: 2009
    ..Mask phenotype was traced to a splicing error affecting the type II transmembrane serine protease 6 (TMPRSS6)...
  4. Hemochromatosis - Epidemiology and Molecular Mechanisms
    Pauline L Lee; Fiscal Year: 2010
    ..We have recently discovered that a serum protease encoded by the Tmprss6 gene is a potent downregulator of hepcidin...
  5. Genes that modify Iron loading in mice
    Nancy Catherine Andrews; Fiscal Year: 2010
    ..iron content and (2) carry out genetic screens for novel genes involved in iron homeostasis using mice lacking Tmprss6, a key inhibitor of production of the iron regulatory hormone hepcidin...
  6. Functional investigation of hemojuvelin in regulation of hepcidin expression
    An Sheng Zhang; Fiscal Year: 2010
    ..Elucidation of the role of HFE2, the juvenile HH-causing gene (Papanikolaou et al., 2004), will lead to a full understanding of the regulation of body iron homeostasis as well as more effective cures for iron overload disorders. ..
  7. Functional investigation of hemojuvelin in regulation of hepcidin expression
    An Sheng Zhang; Fiscal Year: 2009
    ..Elucidation of the role of HFE2, the juvenile HH-causing gene (Papanikolaou et al., 2004), will lead to a full understanding of the regulation of body iron homeostasis as well as more effective cures for iron overload disorders. ..