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Exp Mol Pathol. 2006 Oct;81(2):131-5. Epub 2006 Jun 9.

Angiotensin-I-converting enzyme (ACE) insertion/deletion polymorphism in Mexican patients with coronary artery disease. Association with the disease but not with lipid levels.

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Department of Physiology, Instituto Nacional de Cardiología Ignacio Chávez. Mexico City, Mexico. <>


Angiotensin-I-converting enzyme (ACE) insertion/deletion (ID) polymorphism has been associated with the genetic susceptibility to coronary artery disease (CAD) and also with the lipid profile in several populations. In the present work, we analyzed the distribution of ID polymorphism in 147 Mexican patients with CAD and 100 unrelated healthy controls. The correlation of this polymorphism with the lipid profile (cholesterol, low density lipoprotein-cholesterol, very low density lipoprotein-cholesterol, high density lipoprotein-cholesterol and triglycerides) in the patients group was determined. Increased frequency of D allele as well as DD genotype and decreased frequency of I allele and II genotype were found in CAD patients group (pC = 0.00058, OR = 1.96, pC = 0.021, OR = 2.5 and pC = 0.00058, OR = 0.51, pC = 0.0028, OR = 0.38). Correlation between ID genotypes and lipid profile in patients was carried out in total population and separately for females and males. After they had been adjusted for age, sex and BMI, there was no association among the three genotypes (II, ID and DD) and lipids and lipoproteins in none of the studied groups. Our data suggest that genetic variation at the ACE is a genetic factor related with the susceptibility to coronary artery disease in the Mexican Mestizo population.

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