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28 September 2012

Iranian hereditary hemochromatosis patients: Baseline characteristics, laboratory data and gene mutations

Farhad ZamaniABEF, Zohreh BagheriBCEF, Maryam BayatBCEF, Seyed-Mohammad FereshtehnejadBCEF, Ali BasiABEF, Hossein NajmabadiCDEF, Hossein AjdarkoshABEF

DOI: 10.12659/MSM.883489

Med Sci Monit 2012; 18(10): CR622-629

Abstract

Background: Hereditary hemochromatosis (HH) is the most common autosomal recessive disorder in white people, characterized by highly abnormal uptake of iron from the gastrointestinal tracts. Recently, mutation studies have focused to detect the genes responsible for HH.
Material/Methods: In this cross-sectional study, 12 HH patients were recruited, who were referred to Firoozgar Hospital, Tehran, Iran. In addition to the clinical assessments, a complete laboratory evaluation, imaging modalities, histopathologic assessment, atomic absorption spectrophotometry and gene mutation study were performed. The genetic study for HFE gene mutation was examined for all of the patients since 2006, while non-HFE mutation was conducted since December 2010 (only for 1 of them).
Results: Twelve patients were evaluated consisting of 11 men and 1 woman, with the mean age of 39.58±12.68 yr. The average of atomic iron loads was 13.25±4.83-fold higher than normal standards. Four patients had heterozygotic mutation of H63D (33.3%). There was no significant difference in either the iron load of liver (P=0.927) and heart (P=0.164) or serum concentration of ferritin (P=0.907) and TIBC (P=0.937) between the HFE-mutant and without HFE mutation HH cases.
Conclusions: In contrast to other studies, C282Y mutation was not detected in any of our Iranian HH patients. Heterozygotic mutations of H63D (HFE) and TFR2 (non-HFE) genes were found to be more common in these patients. Similar to previous reports, these mutations were not found to be significantly associated with severity of presentation in HH patients.

Keywords: Magnetic Resonance Imaging, Iran, Inheritance Patterns - genetics, Histocompatibility Antigens Class I - genetics, Hemochromatosis - ultrasonography, Clinical Laboratory Techniques, Membrane Proteins - genetics, Mutation - genetics

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750