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SLC30A8 gene polymorphism (rs13266634 C/T) and type 2 diabetes mellitus in south Iranian population

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Abstract

Type 2 diabetes mellitus (T2DM) is a multifactorial metabolic disorder which is characterized by chronic hyperglycemia. T2DM is due to the interplay of genetic susceptibility and environmental factors. Zinc is an important element for insulin storage and secretion. Zinc transporters ensure zinc transportation across the biological membranes and enable the cellular flow of zinc into the extracellular matrix or the intracellular vesicles. Solute carrier family 30 member 8 (SLC30A8) gene encodes zinc transporter protein member 8. The rs13266634 C/T polymorphism in SLC30A8 gene has been reported with higher risk of T2DM in literature. Thus, the present study aimed to investigate the association between rs13266634 polymorphism and T2DM in Fars province, Southern Iran and compare the results with other populations. A total of 306 subjects were collected from the outpatients of Shahid Motahhari clinic affiliated to Shiraz University of Medical Sciences, Shiraz, Iran. These subjects were genotyped using polymerase chain reaction-restriction fragment length polymorphism and validated by direct sequencing. The frequency of CC genotype in diabetic and control groups was 90 (59.6 %) and 89 (57.4 %). The number of CT genotype was 51 (33.8 %) in the case and 49 (31.6 %) in the control group. The TT genotype was 10 (6.6 %) and 17 (11 %) in diabetic and non-diabetic subjects, respectively. No significant difference was found between the normal and T2DM subjects regarding the allelic and genotypic distribution (p = 0.35, OR = 1.19, 95 % CI 0.82–1.7) and (p = 0.94, OR = 1.7, 95 % CI 0.7–3.9). No significant difference was found between the normal and diabetic subjects regarding the rs13266634 C/T polymorphism in SLC30A8 gene. In comparison with other ethnic groups, the C allele frequency in our population was very similar to that of the European but higher than that of the Eastern Asian and lower than the African populations.

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Acknowledgments

Research Improvement Center of Shiraz University of Medical Sciences, Shiraz, Iran and Ms. A. Keivanshekouh are appreciated for improving the use of English in the manuscript.

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Authors and Affiliations

  1. Department of Genetic, Faculty of Science, Shahid Chamran University of Ahwaz, Ahwaz, Iran

    Hossein Faghih, Saied-Reza Khatami & Ali-Mohammad Foroughmand

  2. Transplant Research Center, Nemazi Hospital, Shiraz University of Medical Sciences, Zand Street, 7193711351, Shiraz, Iran

    Hossein Faghih & Negar Azarpira

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  1. Hossein Faghih
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  2. Saied-Reza Khatami
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  3. Negar Azarpira
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  4. Ali-Mohammad Foroughmand
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Correspondence to Negar Azarpira.

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Faghih, H., Khatami, SR., Azarpira, N. et al. SLC30A8 gene polymorphism (rs13266634 C/T) and type 2 diabetes mellitus in south Iranian population. Mol Biol Rep 41, 2709–2715 (2014). https://doi.org/10.1007/s11033-014-3158-x

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  • DOI: https://doi.org/10.1007/s11033-014-3158-x

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