Molecular Characterization of Cosenza Mutation among Patients with Glucose-6-Phosphate Dehydrogenase Deficiency in Khuzestan Province, Southwest Iran

Seyed Reza Kazemi Nezhad, Fatemeh Fahmi, Saeid Reza Khatami, Mohsen Musaviun

Abstract



Glucose-6-phosphate dehydrogenase (G6PD) deficiency is one of the most common hereditary enzymatic disorders in human, increases the vulnerability of erythrocytes to oxidative stress. It is also characterized by remarkable molecular and biochemical heterogeneity. According to previous investigations, G6PD Cosenza (G1376C) is a common G6PD mutation in some parts of Iran. Therefore in the present study we have characterized Cosenza mutation among G6PD deficient individuals in Khuzestan province. In order to identify G6PD Cosenza, we analyzed the G6PD gene in 64 samples out of 231 deficient individuals who had not G6PD Mediterranean mutation, using PCR- restriction fragment length polymorphism (RFLP) method. G6PD Cosenza mutation was found in 6 males of 231 samples, resulting in the relative rate of 2.6% and allele frequency of 0.023 among Khuzestanian G6PD deficient subjects. A comparison of these results with previous findings in some parts of Iran suggests that G6PD Cosenza is a common mutation in Khuzestanian G6PD deficient individuals.

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pISSN: 0253-0716         eISSN: 1735-3688