Abstract:
BACKGROUND:Aneurysmal subarachnoid hemorrhage (aSAH) has high fatality and permanent disability rates due to the severe damage to brain cells and inflammation. The SERPINE1 gene that encodes PAI-1 for the regulation of tissue plasminogen activator is considered an important therapeutic target for aSAH. METHODS:Six SNPs in the SERPINE1 gene (in order of rs2227631, rs1799889, rs6092, rs6090, rs2227684, rs7242) were investigated. Blood samples were genotyped with Taqman genotyping assays and pyrosequencing. The experiment-wide statistically significant threshold for single marker analysis was set at p < 0.01 after evaluation of independent markers. Haplotype analysis was performed in Haplo.stats package with permutation tests. Bonferroni correction for multiple comparison in dominant, additive, and recessive model was applied. RESULTS:A total of 146 aSAH patients and 49 control subjects were involved in this study. The rs2227631 G allele is significant (p = 0.01) for aSAH compared to control. In aSAH group, haplotype analysis showed that G5GGGT homozygotes in recessive model were associated with delayed cerebral ischemia (p < 0.01, Odds Ratio = 5.14, 95% CI = 1.45-18.18), clinical vasospasm (p = 0.01, Odds Ratio = 4.58, 95% CI = 1.30-16.13), and longer intensive care unit stay (p = 0.01). By contrast, the G5GGAG carriers were associated with less incidence of cerebral edema (p < 0.01) and higher Glasgow Coma Scale (p < 0.01). The A4GGGT carriers were associated with less incidence of severe hypertension (>140/90) (p < 0.01). CONCLUSION:The results suggested an important regulatory role of the SERPINE1 gene polymorphism in clinical outcomes of aSAH.
journal_name
Mol Genet Genomic Medjournal_title
Molecular genetics & genomic medicineauthors
Lin M,Griessenauer CJ,Starke RM,Tubbs RS,Shoja MM,Foreman PM,Vyas NA,Walters BC,Harrigan MR,Hendrix P,Fisher WS,Pittet JF,Mathru M,Lipsky RHdoi
10.1002/mgg3.737subject
Has Abstractpub_date
2019-08-01 00:00:00pages
e737issue
8issn
2324-9269journal_volume
7pub_type
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