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Diabet Med. 2004 Jul;21(7):776-81.

The adiponectin gene SNP+45 is associated with coronary artery disease in Type 2 (non-insulin-dependent) diabetes mellitus.

Author information

1
Genomics Medicine Department and the Hammersmith Genome Centre, Imperial College, Hammersmith Hospital, Du Cane Road, London W12 0NN, UK.

Abstract

BACKGROUND:

The ACRP30/adiponectin gene on chromosome 3q27, a region linked to the metabolic syndrome, encodes for the abundant adipocyte-specific secreted protein. Consistent rodent and human studies suggested that this adipokine may be a molecular link between metabolic and cardiovascular diseases.

AIMS:

In order to investigate the role of single nucleotide polymorphisms (SNPs) within the APM1 gene in the susceptibility to coronary artery disease (CAD), we performed a case-control study on Caucasian Type 2 (non-insulin-dependent) diabetic patients, a population at high-risk for CAD.

METHODS:

Five APM1 SNPs were genotyped in 162 Type 2 diabetic French and Swiss subjects with CAD and in 315 Type 2 diabetic French and Swiss subjects without CAD.

RESULTS:

In univariate analysis, SNP+45 T>G was associated with CAD (OR 1.9 95% CI 1.2-2.9 P = 0.0036). In multivariate analysis, SNP+45 T>G remained associated with CAD (OR 1.2 95% CI 0.8-1.9 P = 0.017), independently of classical cardiovascular risk factors including components of the metabolic syndrome. SNP haplotype analyses revealed a CAD protective combination of all SNP wild-type alleles (OR 0.5 95% CI 0.3-0.7 P = 0.0006).

CONCLUSIONS:

Our study, performed in diabetic subjects, revealed an association between individual SNP+45 in the APM1 gene and CAD. Furthermore, the susceptibility for CAD due to SNP+45 was independent of classic cardiovascular risk factors. Further studies will be necessary to confirm the role of SNP+45 in the development of CAD. However, ACRP30/adiponectin may contribute to atherosclerosis susceptibility in high-risk populations such as Type 2 diabetic subjects.

[Indexed for MEDLINE]

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