Genomics of iron refractory iron deficiency anemia phenotype reveals a spectrum of novel pathogenic biallelic and monoallelic TMPRSS6 variants and rare overlapping disorders.

Abstract excerpt

The study highlights genomic findings in a series of 13 IRIDA phenotype cases. All had microcytic hypochromic anemia with suboptimal oral iron response to two different oral iron preparations at 4-6 weeks and low-normal ferritin, low transferrin saturation, and inappropriately high hepcidin. Targeted NGS on a 26-gene iron panel revealed pathogenic TMPRSS6 variants in 5/13 (38 %) cases. In addition, 2 (15 %) cases...

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