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Pediatr Blood Cancer. 2012 Apr;58(4):640-2. doi: 10.1002/pbc.23190. Epub 2011 May 25.

A novel mutation Gly603Arg of TMPRSS6 in a Korean female with iron-refractory iron deficiency anemia.

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Department of Pediatrics, Seoul National University Bundang Hospital, Seongnam, Korea.

Erratum in

  • Pediatr Blood Cancer. 2012 Dec 15;59(7):1336.


Iron-refractory iron deficiency anemia (IRIDA) is a rare hereditary form of IDA with autosomal recessive inheritance. IRIDA is characterized by hypochromic microcytic anemia unresponsive to oral iron treatment, low transferrin saturation, and a high level of iron-regulated hormone hepcidin. The genetic background of IRIDA is mutations in the TMPRSS6 gene encoding matriptase-2 (TMPRSS6) that prevent inactivation of hemojuvelin, an activator of hepcidin transcription. We herein report a Korean female with IRIDA who was compound heterozygous for two mutations in TMPRSS6: a novel missense mutation c.1807G>C (p.Gly603Arg) in the serine protease domain and a known splicing mutation c.863+1G>T (IVS6+1G>T).

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