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Evidence for association between paraoxonase gene polymorphisms and atherosclerotic diseases.

Authors: Imai, Y  Morita, H  Kurihara, H  Sugiyama, T  Kato, N  Ebihara, A  Hamada, C  Kurihara, Y  Shindo, T  Oh-hashi, Y  Yazaki, Y 
Citation: Imai Y, etal., Atherosclerosis. 2000 Apr;149(2):435-42.
Pubmed: (View Article at PubMed) PMID:10729395

Paraoxonase 1 (PON1) is proposed to have an anti-atherogenic action. Two polymorphisms at the PON1 (M/L55 and Q/R192) have been shown to be associated with coronary artery disease (CAD). This conclusion is not drawn universally, however, and specific ethnic characteristics may be important determinants in this association. Recently two homologues of PON1 - PON2 and PON3 - were identified and Sanghera et al. demonstrated C/S311 polymorphism at PON2 was associated with the risk of CAD. Within that context, we investigated the association between the aforementioned three polymorphisms and CAD and ischemic stroke in a Japanese population. The study population included 431 control subjects, 210 CAD patients, and 235 ischemic stroke patients. Genotype distributions and allele frequencies of M/L55 and C/S311 were similar among the control and patient groups, whereas the R192 allele frequency was significantly higher (P<0.001) in CAD (75%) and ischemic stroke (76%) patients than in control subjects (65%). When confounding influences of other risk factors were controlled for by multivariate analysis, R192 remained an independent risk determinant (additive model: OR (95% CI), P value CAD: 2.01 (1.45-2.79), 0.0001; ischemic stroke: 1.84 (1.34-2.52), 0.0002 (three genotypes into calculation)). Taken together, our data indicate that the Q/R192 is principally associated with both CAD and ischemic stroke in Japanese.

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CRRD Object Information
CRRD ID: 1580196
Created: 2006-07-05
Species: All species
Last Modified: 2006-07-05
Status: ACTIVE



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