Genetic hyperferritinaemia and reticuloendothelial iron overload associated with a three base pair deletion in the coding region of the ferroportin gene (SLC11A3)

Mario Cazzola, Laura Cremonesi, Maria Papaioannou, Nadia Soriani, Anna Kioumi, Anastasia Charalambidou, Rita Paroni, Katerina Romtsou, Sonia Levi, Maurizio Ferrari, Paolo Arosio, John Christakis

Research output: Contribution to journalArticle

89 Citations (Scopus)

Abstract

Iron overload may predominantly involve parenchymal or reticuloendothelial cells, the prototype of parenchymal iron overload being HFE-related genetic haemochromatosis. We studied a family with autosomal dominant hyperferritinaemia in whom the proband showed selective iron accumulation in the Kupffer cells on liver biopsy. Analysis of L and H ferritin genes excluded mutations responsible for hereditary hyperferritinaemia/cataract syndrome or similar translational disorders. Sequence analysis of the ferroportin gene (SLC11A3) in four individuals with hyperferritinaemia singled out a three base pair deletion in a region that contains four TTG repeats. This mutation removes a TTG unit from 780 to 791, and predicts the loss of one of three sequential valine residues 160-162. Denaturing high performance liquid chromatography can be used for its detection. SLC11A3 polymorphism analysis indicates that this probably represents a recurrent mutation due to slippage mispairing. Affected individuals may show marginally low serum iron and transferrin saturation, and young women may have marginally low haemoglobin concentration levels. Serum ferritin levels are directly related to age, but are 10-20 times higher than normal. Heterozygosity for the ferroportin Val 162 deletion represents the prototype of selective reticuloendothelial iron overload, and should be taken into account in the differential diagnosis of hereditary or congenital hyperferritinaemias.

Original languageEnglish
Pages (from-to)539-546
Number of pages8
JournalBritish Journal of Haematology
Volume119
Issue number2
DOIs
Publication statusPublished - 2002

Fingerprint

Iron Overload
Base Pairing
Apoferritins
Mutation
Iron
Genes
Kupffer Cells
Hemochromatosis
Valine
Transferrin
Ferritins
Serum
Sequence Analysis
Hemoglobins
Differential Diagnosis
High Pressure Liquid Chromatography
Biopsy
Liver
metal transporting protein 1

Keywords

  • Ferritin
  • Ferroportin
  • Iron
  • Iron overload
  • Reticuloendothelial cell

ASJC Scopus subject areas

  • Hematology

Cite this

Genetic hyperferritinaemia and reticuloendothelial iron overload associated with a three base pair deletion in the coding region of the ferroportin gene (SLC11A3). / Cazzola, Mario; Cremonesi, Laura; Papaioannou, Maria; Soriani, Nadia; Kioumi, Anna; Charalambidou, Anastasia; Paroni, Rita; Romtsou, Katerina; Levi, Sonia; Ferrari, Maurizio; Arosio, Paolo; Christakis, John.

In: British Journal of Haematology, Vol. 119, No. 2, 2002, p. 539-546.

Research output: Contribution to journalArticle

Cazzola, Mario ; Cremonesi, Laura ; Papaioannou, Maria ; Soriani, Nadia ; Kioumi, Anna ; Charalambidou, Anastasia ; Paroni, Rita ; Romtsou, Katerina ; Levi, Sonia ; Ferrari, Maurizio ; Arosio, Paolo ; Christakis, John. / Genetic hyperferritinaemia and reticuloendothelial iron overload associated with a three base pair deletion in the coding region of the ferroportin gene (SLC11A3). In: British Journal of Haematology. 2002 ; Vol. 119, No. 2. pp. 539-546.
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