Methylation of Phospholipase A2 Group VII Gene Is Associated with Brain Arteriovenous Malformations in Han Chinese Populations.

Journal of Molecular Neuroscience : MN
Yuchun LiuYi Huang

Abstract

The purpose of this study was to evaluate the contribution of DNA methylation at the phospholipase A2 group VII (PLA2G7) gene, to the risk of developing brain arteriovenous malformations (BAVMs) and intracranial aneurysms (IAs) in a Han Chinese population. Seventy patients with BAVMs or IAs and 26 control subjects were recruited to evaluate PLA2G7 methylation by bisulfite pyrosequencing. CpG3 methylation at the PLA2G7 was significantly higher in BAVM patients than in the control group (Chr6,46735560, p = 0.042). Gender subgroup analysis showed that PLA2G7 CpG4 (Chr6,46735574, p = 0.033) and mean methylation (p = 0.037) levels were significantly associated with BAVM in males. However, in females, PLA2G7 methylations were much lower in IAs than in controls [CpG2 (Chr6,46735558), p = 0.030] and BAVMs [CpG2, p = 0.001; CpG4, p = 0.007; CpG6 (Chr6, 46735579), p = 0.024; mean, p = 0.013]. In addition, mean methylation of the PLA2G7 significantly correlated with apoB levels in all individuals (r = 0.288, p = 0.006), and with apoE in BAVM patients (r = 0.259, p = 0.016). The receiver operating characteristic (ROC) curve showed that PLA2G7 CpG3 methylation might be a predictor of BAVM risk in Han Chinese (area under curve (AUC) = 0.76, ...Continue Reading

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BETA
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GraphPad Prism
SPSS
PyroMark Assay Design

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