The possible association of apolipoprotein E (apoE) DNA polymorphism with ischemic cerebrovascular disease was evaluated in 65 patients who had suffered completed stroke or transient ischemic attack and 330 healthy controls. ApoE genotypes were determined by restriction isotyping/MADGE analysis. Significant difference in apoE genotype frequencies between case and control group was observed (p<0.01). Patients affected by ischemic stroke had higher frequency of E4 allele and lower E2 allele than age-matched control subjects. Compared with persons without E4 allele, carriers of an E4 allele had 2.1 times higher risk of incident stroke. Our results indicate that the apoE gene polymorphism may be a risk factor for the development of ischemic cerebrovascular disease in Serbian population..
The plasma concentration of apoB has recently been reported to be the best lipid predictor of coronary heart disease. The possible associations of genetic markers in the apolipoprotein B gene (XbaI, EcoRI, MspI, Ins/Del, and 4311 A/G polymorphisms) were evaluated in patients with ischemic cerebrovascular disease (ICVD) and controls of equivalent BMI. The odds ratio for ICVD in the X+X+ genotype was 2.22, 95% CI 1.24-3.96 (P<0.05), while that for ICVD in the Ins/Ins genotype was 2.82, 95% CI 1.57-5.06 (P<0.05). The patients had significantly higher frequency of the 4311A allele compared to the controls (P<0.01). Our results support the assumption that apoB gene polymorphisms may contribute to the extent of cerebrovascular disease risk
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