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Year : 2021  |  Volume : 5  |  Issue : 2  |  Page : 49-55

Prevalence of H63D and C282Y mutations in hereditary hemochromatosis (HFE) gene in Tripoli region of Libya

1 Department of Genetic Engineering, School of Engineering and Applied Sciences, Libyan Academy, Tripoli, Libya
2 Faculty of Medicine, Gharyan University, Gharyan, Libya
3 Department of Biochemistry, Faculty of Medicine, University of Tripoli; Reference Laboratory, National Center for Disease Control, Tripoli, Libya

Correspondence Address:
Dr. Abdulla M Bashein
Department of Biochemistry, Faculty of Medicine, University of Tripoli, Tripoli
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ljms.ljms_27_21

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Background and Aims: Hereditary hemochromatosis (HH) is an autosomal recessive disorder, characterized by increased intestinal absorption of iron. Excessive amount of iron accumulates in the liver, pancreas, and heart, etc., and eventually leading to organ failure due to iron toxicity and death if untreated. The most common causes of HH are the C282Y and H63D mutations in HFE gene. This study aimed to identify the prevalence of H63D and C282Y alleles among the Libyan population in Tripoli region and to compare the results with other published data. Materials and Methods: This study included 300 randomly selected unrelated Libyan male blood donors, aged between 18 and 50 years. In-house hydrolysis probe real-time polymerase chain reaction and high-resolution melting analysis protocols were developed and employed as screening tools for H63D and C282Y genotyping, respectively, and direct DNA sequencing was used to confirm the results. Results: Seven subjects (2.33%) were detected as homozygous H63D mutation and 72 (24%) were detected as heterozygous, and only one subject was detected as a heterozygous C282Y mutant (0.33%) and no homozygous C282Y mutation was detected. Conclusion: In Libyans residing in Tripoli region, the allele frequency of C282Y was very rare and allele frequency of H63D was common.

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