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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 

Genetic variation in lectin-like oxidized low-density lipoprotein receptor 1 ( LOX1) gene and the risk of coronary artery disease.

BACKGROUND: We examined the association of 3 polymorphisms in the lectin-like oxidized LDL receptor-1 ( LOX1 or OLR1) gene with coronary artery disease in the Women's Ischemia Syndrome Evaluation (WISE) study population. METHODS AND RESULTS: The WISE sample comprised 589 white and 122 black women who underwent angiography for suspected ischemia. The sample was divided into 3 groups: <20% stenosis (38.7%), 20% to 49% stenosis (24.9%), and >or=50% stenosis (35.3%). The three LOX1 polymorphisms ( intron 4/G-->A, intron 5/T-->G, and 3' UTR/T-->C) were in linkage disequilibrium and thus behaved as a single polymorphism. The frequency of the 3'UTR/T allele was significantly higher in whites than blacks (49% versus 19%; P<0.0001). Among white women, the frequency of the 3'UTR/T allele carriers (TC+TT genotypes) increased gradually from 67.9% to 75.0% and 79.2% in the <20%, 20% to 49%, and >or=50% stenosis groups, respectively (chi2 trend=6.23; P=0.013). Logistic regression analyses indicated that APOE ( odds ratio, 1.90; P=0.007) and LOX1 ( odds ratio, 1.67; P=0.025) genotypes were independently associated with the risk of disease and that there was no interaction between the two genes. The 3'UTR/T allele carriers also had significantly higher IgG anti-oxLDL levels than individuals carrying the CC genotype (0.94+/-0.20 versus 0.86+/-0.16; P=0.032). Furthermore, our electrophoretic mobility shift assay data show that the 3'UTR polymorphic sequence affects the binding of a putative transcription factor in an allele-specific manner. CONCLUSIONS: Our data suggest that common genetic variation in the LOX1 gene may be associated with the risk of coronary artery disease in white women.[1]

References

  1. Genetic variation in lectin-like oxidized low-density lipoprotein receptor 1 (LOX1) gene and the risk of coronary artery disease. Chen, Q., Reis, S.E., Kammerer, C., Craig, W.Y., LaPierre, S.E., Zimmer, E.L., McNamara, D.M., Pauly, D.F., Sharaf, B., Holubkov, R., Bairey Merz, C.N., Sopko, G., Bontempo, F., Kamboh, M.I. Circulation (2003)
 
 
 
 
 
 
 
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