Open Access

Association of vitamin D levels and polymorphisms in vitamin D receptor with type 2 diabetes mellitus

  • Authors:
    • Mahmoud A. Alfaqih
    • Abdullah Araidah
    • Zouhair Amarin
    • Rami Saadeh
    • Othman Al‑shboul
    • Mariam Khanfar
    • Mohammed Z. Allouh
  • View Affiliations

  • Published online on: November 17, 2022     https://doi.org/10.3892/br.2022.1585
  • Article Number: 3
  • Copyright: © Alfaqih et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Type 2 diabetes mellitus (T2DM) is a leading cause of death. The prevalence of T2DM in countries of the Middle East and North Africa (MENA) region, including Jordan, is among the highest worldwide. The reason(s) behind the epidemic nature of T2DM in Jordan are unknown but warrant further exploration. Studies have indicated that T2DM could be influenced by diet and/or genetic background. Evidence suggests that numerous patients with T2DM are deficient in vitamin D. The activity of vitamin D on its target tissues may be influenced by single nucleotide polymorphisms (SNPs) in the vitamin D receptor (VDR) gene. It was therefore hypothesized that SNPs in VDR could modify the risk of T2DM. To test this hypothesis, 125 patients with T2DM were recruited along with 125 controls. The study subjects were genotyped for variations in rs2228570, rs1544410, rs7975232, and rs731236 SNPs in the VDR. The levels of 25‑hydroxyvitamin D [25(OH)D] were measured from the serum. The analysis revealed that reduced 25(OH)D and age were associated with the risk of T2DM (P<0.05). Moreover, under a dominant inheritance model, the GG genotype of rs2228570 was revealed to increase the risk of T2DM in univariate and multivariate analysis (P<0.05). Additionally, a chromosomal block containing the GAAG haplotype of VDR SNPs increased the risk of T2DM (OR=1.909; CI: 1.260‑2.891; P=0.0021). Collectively, the present study revealed that low levels of serum 25(OH)D and rs2228570 of the VDR gene are associated with the risk of T2DM.

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January-2023
Volume 18 Issue 1

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Spandidos Publications style
Alfaqih MA, Araidah A, Amarin Z, Saadeh R, Al‑shboul O, Khanfar M and Allouh MZ: Association of vitamin D levels and polymorphisms in vitamin D receptor with type 2 diabetes mellitus. Biomed Rep 18: 3, 2023
APA
Alfaqih, M.A., Araidah, A., Amarin, Z., Saadeh, R., Al‑shboul, O., Khanfar, M., & Allouh, M.Z. (2023). Association of vitamin D levels and polymorphisms in vitamin D receptor with type 2 diabetes mellitus. Biomedical Reports, 18, 3. https://doi.org/10.3892/br.2022.1585
MLA
Alfaqih, M. A., Araidah, A., Amarin, Z., Saadeh, R., Al‑shboul, O., Khanfar, M., Allouh, M. Z."Association of vitamin D levels and polymorphisms in vitamin D receptor with type 2 diabetes mellitus". Biomedical Reports 18.1 (2023): 3.
Chicago
Alfaqih, M. A., Araidah, A., Amarin, Z., Saadeh, R., Al‑shboul, O., Khanfar, M., Allouh, M. Z."Association of vitamin D levels and polymorphisms in vitamin D receptor with type 2 diabetes mellitus". Biomedical Reports 18, no. 1 (2023): 3. https://doi.org/10.3892/br.2022.1585