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  • Title: Association of frequency of hereditary hemochromatosis (HFE) gene mutations (H63D and C282Y) with iron overload in beta-thalassemia major patients in Pakistan.
    Author: Sharif Y, Irshad S, Tariq A, Rasheed S, Tariq MH.
    Journal: Saudi Med J; 2019 Sep; 40(9):887-892. PubMed ID: 31522215.
    Abstract:
    OBJECTIVES: To evaluate any association between the frequency of hereditary hemochromatosis (HFE) gene mutation (H63D and C282Y) and iron overload in beta-thalassemia major (BTM) patients. METHODS: The case-control study was conducted from June 2016 to February 2018. Blood samples from 204 BTM patients and 204 normal controls were taken from the Sundas Foundation Blood Bank. These samples were analyzed for serum ferritin assay and HFE mutation. Ferritin level was measured on the ARCHITECT 1000SR. Both patient and control samples were analyzed for mutations using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). RESULTS: Serum ferritin levels for all patients were greater than 1000ng/mL. The p.H63D mutation was observed in 23 (11.3%) cases, out of which 19 cases were heterozygous for p.H63D and 4 cases were homozygous. In control samples, 4 cases (2%) were found heterozygous for the p.H63D, and no homozygous mutation was found. Significantly high serum ferritin levels were found in BTM patients with the H63D mutation (p=0.00). In the case of p.C282Y, neither homozygous nor heterozygous mutation was found in patients or in controls. CONCLUSION: H63D polymorphism is associated with iron overload in BTM patients. Larger-scale research is required to give an elaborated view of the association of the HFE mutation with iron overload in these patients and to confirm our conclusion.
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