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Endothelial nitric oxide gene T-786C polymorphism and subarachnoid hemorrhage in Korean population.


ABSTRACT: We aimed to elucidate whether the eNOS T-786C mutant allele is implicated in subarachnoid hemorrhage (SAH) susceptibility or vasospasm after SAH, and whether the mutant allele is differentially expressed in those with small and large ruptured aneurysms in Korean population. 136 consecutive patients diagnosed with aneurismal SAH and 113 controls were recruited. Polymerase chain reaction and direct sequencing of both strands were performed to determine genotypes with respect to the eNOS T-786C mutation. No significant difference was found between cases and controls with respect to the distributions of the two eNOS T-786C single nucleotide polymorphism (SNP) genotypes. No significant differences in the distributions of the eNOS T-786C SNP genotypes were found with regard to the sizes of ruptured aneurysms or the occurrence of vasospasm after SAH. Multiple logistic regression analysis after controlling for age and sex showed the eNOS T-786C SNP T/C geno-type was independently associated with an unfavorable outcome (GOS grade 3-5) of SAH (Exp (beta)=4.27, 95% CI 1.131-16.108, p=0.032). In conclusion, the eNOS T-786C mutation was not found to be associated with either a susceptibility to SAH or vasospasm after SAH, or with aneurysm size in Korean population. The eNOS T-786C SNP T/C genotype could be used as a prognostic marker in individuals with SAH.

SUBMITTER: Song MK 

PROVIDER: S-EPMC2722006 | biostudies-literature | 2006 Oct

REPOSITORIES: biostudies-literature

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Endothelial nitric oxide gene T-786C polymorphism and subarachnoid hemorrhage in Korean population.

Song Min-Kyung MK   Kim Myeong-Kyu MK   Kim Tae-Sun TS   Joo Sung-Pil SP   Park Man-Seok MS   Kim Byeong-Chae BC   Cho Ki-Hyun KH  

Journal of Korean medical science 20061001 5


We aimed to elucidate whether the eNOS T-786C mutant allele is implicated in subarachnoid hemorrhage (SAH) susceptibility or vasospasm after SAH, and whether the mutant allele is differentially expressed in those with small and large ruptured aneurysms in Korean population. 136 consecutive patients diagnosed with aneurismal SAH and 113 controls were recruited. Polymerase chain reaction and direct sequencing of both strands were performed to determine genotypes with respect to the eNOS T-786C mut  ...[more]

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