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Circ J. 2010 Mar;74(3):544-51. Epub 2010 Jan 18.

IL-1B polymorphism in association with initial intravenous immunoglobulin treatment failure in Taiwanese children with Kawasaki disease.

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  • 1Department of Pediatrics, Kaohsiung Veterans General Hospital, National Yang-Ming University, Taipei, Taiwan, ROC.

Abstract

BACKGROUND:

Approximately 8-38% of children with Kawasaki disease (KD) will have persistent or recrudescent fever after initial intravenous immunoglobulin (IVIG) treatment and are at increased risk for development of coronary artery abnormalities. Using genetic markers may be helpful to identify the high-risk group of IVIG-resistant patients for aggressive treatment. The aim of this study was to evaluate the associations between 4 potential polymorphisms in the interleukin (IL)-1 family of genes and initial IVIG treatment failure in KD children.

METHODS AND RESULTS:

A total of 156 KD children (136 with and 20 without a response to IVIG treatment) who were treated with high-dose IVIG (2 g/kg) within 10 days of fever onset were recruited. Polymerase chain reaction and Taqman assays were used for genotyping. A significant increase in IVIG resistance risk was observed for IL-1B -511 TT and IL-1B -31 CC genotypes (adjusted odds ratio (AOR) 5.27, 95% confidence interval (CI) 1.69-16.38, P=0.004; AOR 3.95, 95%CI 1.26-12.41, P=0.019, separately). The diplotype TC/TC (at IL-1B -511 and -31) also showed a significantly increased risk of IVIG resistance (AOR 4.32, 95%CI 1.36-13.71, P=0.013).

CONCLUSIONS:

The IL-1B -511 TT and IL-1B -31 CC genotypes or the TC/TC diplotype may be associated with initial IVIG treatment failure in Taiwanese children with KD.

PMID:
20081319
[PubMed - indexed for MEDLINE]
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