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Frequency and spectrum of hemochromatosis mutations in Tunisia

Abstract : The occurrence of the C282Y and H63D mutations of the HFE gene, responsible for toxic iron overload in the liver (hereditary hemochromatosis), was still unknown in Tunisia. We report the screening of 194 chromosomes from 97 randomly collected cord blood samples. The mutations were analyzed by PCR followed by DNA sequencing. The mild H63D and the severe C282Y mutations were found in 17.5+/-5.34% and 0.5+/-0.97% of the alleles, respectively. The allele frequency of the IVS 2+4 T --> C polymorphism is high (46.4+/-7.01%) in this population. Risk for homozygosity for the severe C282Y mutation is present in the Tunisian population at a low theoretical incidence. However, due to the relatively high rate of consanguinity in the country, liver pathology due to HH is not to be disregarded.
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Contributor : AbdelHakim Ben Hassine Connect in order to contact the contributor
Submitted on : Wednesday, February 27, 2019 - 12:30:38 PM
Last modification on : Monday, February 21, 2022 - 3:10:03 PM




Amine Zorai, Cornelis Harteveld, Radhouane Rachdi, Koussay Dellagi, Salem Abbes, et al.. Frequency and spectrum of hemochromatosis mutations in Tunisia. Hematology Journal, 2003, 4 (6), pp.433-435. ⟨10.1038/sj.thj.6200337⟩. ⟨pasteur-02050721⟩



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