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Revista Cubana de Medicina

versión impresa ISSN 0034-7523

Resumen

CASANUEVA CALERO, Karina  y  FERREIRA CAPOTE, Raúl. Characterization of the angiotensin-converting enzyme gene insertion/deletion polymorphism in a sample of Cuban population. Rev cubana med [online]. 2011, vol.50, n.4, pp.348-358. ISSN 0034-7523.

Introduction: The insertion/deletion polymorphism of the angiotensin-converting enzyme is one of the more studied markers of predisposition to diseases of the renin-angiotensin axis. The contradictory findings from the studies of its association with diverse affection make necessary to typify previously the interesting population. Objectives: To characterize the behavior of this polymorphism in the main Cuban racial groups: Caucasoid and Negroid. Methods: By means of the polymerase chain reaction-based on method the genotyping was made in 93 samples of peripheral blood obtained from adults apparently healthy (49 Caucasoid and 44 Negroid). The allelic and genotypical-group frequencies were estimated. Results: The ID and DD genotypes were predominant in the Caucasoid and Negroid, respectively. The comparison of the genotype frequencies among both groups showed significant differences for the ID genotype. The D allele was more frequent in the two study subpopulations. Both are in balance of Hardy-Weinberg for this polymorphism. The comparisons of the allelic and genotypical distributions among similar foreign populations and groups had not significant differences. Conclusions: Results allows us to consider the values of genotypical and allelic frequencies obtained as reference for further studies on the association with diseases in Cuban population and suggest the need of to take into account the own features of this polymorphism in each racial group.

Palabras clave : Angiotensin-converting enzyme; insertion/deletion polymorphism; polymerase chain reaction; demographic study.

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