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Title: Association between the Xba I polymorphism of APOB gene and plasma lipid level in Mexican patients with coronary artery disease
Author: Gallegos-Arreola, M.P.
Valdez, Y.
Zuniga-Corona, M.
Figuera, L.E.
Arnaud-Lopez, L.
Robles-Cervantes, J.A.
Gonzalez-Ortiz, M.
Martinez-Abundis, E.
Puebla-Perez, A.M.
Zuniga-Gonzalez, G.M.
Issue Date: 2012
Abstract: Some studies, that consider polymorphisms of the apolipoprotein B (APOB) gene as risk factors for coronary artery disease (CAD), have reported discordant results. The aim of the present study was to search for associations between plasma lipid profiles with the DNA Xba I polymorphism of the APOB gene in CAD patients diagnosed by angiography (CAD+). In the present study we compared 114 Mexican patients (80 men and 34 women) with CAD+ and 132 control patients (59 men and 73 women) without evidence of ischemia or arterial damage (CAD The frequency of X+/X+ genotype of Xba I polymorphism, in CAD+ group, was 23% (26/114) compared with 8% (11/132) in the CAD- (OR 3.25, p = 0.002). The patients with X+/X+ for the Xba I genotype APOB gene had higher concentration of triglycerides (TG) and VLDL in plasma than CAD- (p < 0.05). The genotype X+/X+ in the CAD had an effect increasing the TG and VLDL plasma levels when compared with individuals with X-/Xand X-/X+ genotypes. The present study indicated that the X+X+ genotype of Xba I polymorphism is associated with CAD+ patients and high plasma levels of TG and VLDL, in the Mexican population.
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