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Start Over Author "Nava I" Journal british journal of haematology
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2. Genetic variability of TMPRSS6 and its association with iron deficiency anaemia.

Author

Delbini P, Vaja V, Graziadei G, Duca L, Nava I, Refaldi C, and Cappellini MD

Subjects
Adult, Female, Genetic Predisposition to Disease, Genetic Variation, Haplotypes, Humans, Linkage Disequilibrium, Male, Polymorphism, Single Nucleotide, Anemia, Iron-Deficiency genetics, Membrane Proteins genetics, Mutation, Serine Endopeptidases genetics
Abstract

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). Several variants of TMPRSS6 have been already identified; however the role of polymorphisms and TMPRSS6 haplotypes, causing iron deficiency anaemia, have not yet been investigated. This study sequenced the TMPRSS6 gene in 16 subjects with IRIDA phenotype and identified 27 DNA polymorphisms. Eight single nucleotide polymorphisms and four haplotypes were significantly associated with iron-refractory anaemia (P < 0·001). Our preliminary results suggest a possible association between specific haplotypes of TMPRSS6 and IRIDA.

Published
2010
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