Molecular Biology Reports

, Volume 38, Issue 6, pp 3703–3708 | Cite as

Adiponectin gene variants and the risk of coronary artery disease in patients with type 2 diabetes

  • Nasser M. Al-Daghri
  • Omar S. Al-Attas
  • Majed S. Alokail
  • Khalid M. Alkharfy
  • Tajamul Hussain


Patients with type 2 diabetes (T2D) are more susceptible to develop cardiovascular complications than non-diabetic subjects. Several studies have indicated a role of adiponectin gene in the increased coronary artery disease (CAD) risk in T2D patients. The data however is limited and have been inconsistent. In this study we examined the association of SNP45T>G and SNP276G>T of adiponectin gene with CAD risk in T2D patients in a Saudi population. A total of 418 type 2 diabetic patients were randomly recruited in this study from the RIYADH COHORT. Of the total diabetes patients, 123 were also diagnosed to have CAD, while the rest were control subjects. Anthropometric, clinical and biochemical parameters were measured by standard procedures. Genotyping of polymorphisms was carried out by PCR–RFLP analysis. Genotype distribution of SNP45T>G was significantly (P = 0.005) different between control and CAD subjects, while the distribution of SNP276G>T genotypes was comparable between the subjects. The SNP45T>G was significantly associated with risk of CAD [OR (95% CI), 4.7 (1.6–13.5), P < 0.003] but not SNP276G>T [OR (95% CI), 1.02 (0.53–1.9), P > 0.05]. The association of SNP45T>G with CAD risk remained significant even after adjusting for potential confounding factors [OR (95% CI), 7.2 (1.1–45.9), P < 0.05]. The SNP45T>G of adiponectin gene is an independent risk factor for CAD in T2D patients in a Saudi population. These findings support a role for adiponectin gene in the increased CAD risk in diabetes patients and are consistent with genetic heterogeneity in the association between adiponectin gene and coronary artery disease.


Adiponectin Polymorphisms Coronary artery disease Type 2 diabetes 



We acknowledge the technical assistance of Mr. Abdul Khader, Mr. Usamah, and Mr. Ahmed Bamakhramah. We also acknowledge the help of Mr. Benjamin Vinodson for statistical analysis. This work was funded by a grant (Bio/2009/07) from the Research Center, College of Science, King Saud University, Riyadh, Saudi Arabia.


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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Nasser M. Al-Daghri
    • 1
  • Omar S. Al-Attas
    • 1
  • Majed S. Alokail
    • 1
  • Khalid M. Alkharfy
    • 2
  • Tajamul Hussain
    • 1
  1. 1.Department of Biochemistry, College of ScienceKing Saud UniversityRiyadhSaudi Arabia
  2. 2.Department of Clinical Pharmacy, College of PharmacyKing Saud UniversityRiyadhSaudi Arabia

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