Polymorphism C373G of the PECAM-1 Gene in Chilean Subjects with Coronary Disease and Controls  <span class="so-article-trans-title" dir="auto"> Translated title: Polimorfismo C373G del Gen PECAM-1 en Individuos Chilenos con Enfermedad Coronaria y Controles </span>

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Abstract

The platelet endothelial cell adhesion molecule-1 (PECAM-1), a 130-kDa membrane glycoprotein, is expressed on the surface of monocytes, some T-lymphocyte subsets, neutrophils, platelets and endothelial cells. PECAM-1 plays a key role in the transendothelial migration of circulating leukocytes during vascular inflammation. The aim of the present investigation was to evaluate the association between the C373G polymorphism of the PECAM-1 gene and coronary artery disease in Chilean subjects. A total of 220 individuals were investigated (112 cases and 108 controls). The presence of coronary artery disease was confirmed by angiography (Stenosis >70%). The C373G polymorphism was detected by polymerase chain reaction followed enzymatic restriction. The genotype frequencies were in agreement with those predicted by the Hardy-Weinberg equilibrium in both groups. The genotype distribution and the relative alíele frequencies for C373G polymorphism of the PECAM-1 gene were similar between cases and controls (P= 0.820 and P= 0.739, respectively). Moreover, the OR associated with the mutated G alíele was 0.92 (C.I. 95%, 0.54 - 1.57; P=NS). In summary, our study showed that C373G polymorphism of the PECAM-1 gene is not associated with coronary artery disease in the population analyzed

Translated abstract

La molécula de adhesión celular endotelial plaquetaria-1 (PECAM-1) es una glicoproteína de membrana expresada por células endoteliales, plaquetas, monocitos, neutro filos y algunos tipos de linfocitos T. Constituye una pieza clave en la extravasación de leucocitos a través de las uniones intercelulares del endotelio vascular durante el proceso inflamatorio. El objetivo de nuestro estudio fue determinar la asociación entre el polimorfismo C373G (Leul25 Val) del gen PECAM-1 y enfermedad coronaria, en individuos chilenos. Se estudió un total de 220 individuos (112 casos y 108 controles). La presencia de enfermedad coronaria fue confirmada mediante angiografía (estenosis > 70%). El polimorfismo C373G, fue detectado mediante la técnica de reacción en cadena de polimerasa seguida de restricción enzimática. Las frecuencias genotípicas observadas en ambos grupos cumplen con la ley de Hardy-Weinberg. La distribución de genotipos como la frecuencia relativa de alelos para el polimorfismo C373G del gen PECAM-1, fueron similares entre casos y controles (p = 0.820 y p = 0.739, respectivamente). Además, la OR asociada al alelo mutado G fue 0.92 (I.C. 95%, 0.54-1.57; p= NS). Los datos obtenidos sugieren que el polimorfismo C373G del gen PECAM-1 no está asociado a enfermedad coronaria en la población analizada

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