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Interleukin-6 (-636 C/G) gene polymorphism in Korean children with Kawasaki disease

Title
Interleukin-6 (-636 C/G) gene polymorphism in Korean children with Kawasaki disease
Authors
Ahn H.M.Park I.S.Hong S.-J.Hong Y.M.
Ewha Authors
홍영미
SCOPUS Author ID
홍영미scopus
Issue Date
2011
Journal Title
Korean Circulation Journal
ISSN
1738-5520JCR Link
Citation
vol. 41, no. 6, pp. 321 - 326
Indexed
SCIE; SCOPUS; KCI scopus
Abstract
Background and Objectives: Kawasaki disease (KD) is a multi-systemic vasculitis with coronary artery involvement. Serum interleukin (IL)-6 levels during acute phase showed a significant correlation with the duration of fever in patients with KD who were not treated with intravenous immunoglobulin (IVIG), suggesting that the regulation of IL-6 expression in KD patients may differ from that in normal children. However, there are controversies surrounding the association between IL-6 (-636 C/G) gene polymorphism and development of KD. Subjects and Methods: One hundred and nine children with KD and 191 children with congenital heart disease were included in this study. Echocardiography was performed to examine cardiac involvement in patients with KD. Genotyping of the IL-6 (-636 C/G) gene polymorphism was performed using the single-base extension method, and serum IL-6 concentrations were estimated using the sandwich enzyme immunoassay method. Results: Neutrophil, platelet count, liver function test, total protein and albumin concentrations were significantly different in the KD group and the serum IL-6 concentration was significantly higher in the KD group than the control group. There was no difference between the patients with coronary arterial dilatation (CAD) and those without CAD in the IL-6 (-636 C/G) polymorphism. The serum albumin concentration was significantly lower in patients with KD who had the -636 C/G or GG genotype compared with the control group. The serum IL-6 concentration was significandy higher in patients with KD who had the -636 C/G or GG genotype. Conclusion: There was no association between the IL-6 (-636 C/G) gene polymorphism and development of coronary arterial lesions in KD. Further multicenter studies are required to establish the relationship between the IL-6 (-636 C/G) gene polymorphism and development of KD. Copyright © 2011 The Korean Society of Cardiology.
DOI
10.4070/kcj.2011.41.6.321
Appears in Collections:
의학전문대학원 > 의학과 > Journal papers
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