Polymorphisms in endothelial protein C receptor gene and Kawasaki disease susceptibility in a Chinese children.

OBJECTIVE:To investigate association between the single nucleotide polymorphisms of endothelial protein C receptor (EPCR) gene and the risk of Kawasaki disease (KD) in a Chinese children.
 Methods: A total of 103 KD patients including 23 patients with coronary artery lesions (CAL) and 158 controls were recruited. Seven tagging SNPs (rs6088738, rs2069940, rs2069945, rs2069952, rs867186, rs9574, and rs1415774) of EPCR gene were selected for TaqMan allelic discrimination assay. The plasma soluble EPCR (sEPCR) levels of 53 KD and 52 healthy children were detected by ELISA.
 Results: We found a significant association between rs2069952, rs9574 or rs1415774 and higher probability for the occurrence of KD but not CAL formation. Interestingly, males with these 3 SNPs and rs2069945 SNPs bore a much greater risk of KD than females. The level of plasma sEPCR in children with KD didnot predict the formation of CAL. However, the allele G of rs867186 in EPCR was associated with the increased level of plasma sEPCR in KD patients.
 Conclusion: The SNPs of EPCR are associated with KD susceptibility in a Chinese Han children.

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