Key result
Patients with type 2 diabetes mellitus carrying the DD genotype of the ACE rs4646994 polymorphism experienced significantly faster progression of carotid atherosclerosis compared to other genotypes.
Why the study?
Are ACE gene polymorphisms (rs4646994 and rs4341) associated with the progression of carotid atherosclerosis in patients with type 2 diabetes mellitus?
Cohort (n=795)
Single-blind (outcome assessors)
Yes
Are ACE gene polymorphisms (rs4646994 and rs4341) associated with the progression of carotid atherosclerosis in patients with type 2 diabetes mellitus?
Effect estimate: β 0.952
Absolute Event Rate: 6.22% vs 4%
p-value: p=0.04
The DD genotype of the ACE rs4646994 polymorphism is associated with faster progression of carotid atherosclerosis in patients with type 2 diabetes mellitus.
May support intensified carotid surveillance in T2DM DD carriers; hypothesis-generating for ACE genotyping in diabetes risk stratification.
) gene polymorphisms (rs4646994 and rs4341) with markers of carotid atherosclerosis in patients with type 2 diabetes mellitus (T2DM) in a 4-year-long follow-up study. Five hundred and ninety-five T2DM subjects and 200 control subjects were enrolled. Genotyping of ACE polymorphisms was performed using KASPar assays, and ultrasound examinations were performed twice (at the enrollment and at follow-up). With regard to the progression of atherosclerosis in subjects with T2DM, statistically significant differences were demonstrated in the change of the sum of carotid plaques thickness for the rs4646994 polymorphism. We did not demonstrate an association between the tested polymorphisms (rs4646994 and rs4341) and either carotid intima media thickness (CIMT) or CIMT progression in a 3.8-year period. In our study, we demonstrated that subjects with T2DM with the DD genotype of the rs4646994 [ACE insertion/deletion (I/D)] polymorphism had faster progression of atherosclerosis in comparison to subjects with other genotypes.
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Merlo et al. (2015) conducted a cohort in Type 2 diabetes mellitus and carotid atherosclerosis (n=795). ACE rs4646994 (I/D) polymorphism DD genotype vs. II and ID genotypes was evaluated on Change in the sum of carotid plaque thickness (mm) (β 0.952, p=0.04). Patients with type 2 diabetes mellitus carrying the DD genotype of the ACE rs4646994 polymorphism experienced significantly faster progression of carotid atherosclerosis compared to other genotypes.
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