IL-10 Promoter Genetic Polymorphisms and Risk of Kawasaki Disease in Taiwan
نویسندگان
چکیده
Kawasaki disease (KD) is the most common cause of pediatric acquired heart disease. KD patients have spontaneously high plasma/serum levels of IL-10 during the acute phase. Therefore, two independent studies were carried out to investigate the association between genetic variants in IL-10 promoter (-1082, -819, and -592) and risk of KD. A total of 134 trios were included for the family-based association study. A significantly preferential transmission of the C allele at loci -819 T > C and -592 A > C for KD cases was observed (P permutation = 0.029 and P permutation = 0.034, respectively). There was a significant increase in the transmission of haplotype CC (p = 0.016) at the above two loci (OR, 1.632; 95% CI, 1.090-2.443; P permutation = 0.019). We also carried out a follow-up case-control study that included 146 KD cases and 315 unrelated healthy children. The haplotype CC (-819, -592) showed an increased risk of KD (but statistically non-significant; OR, 1.332; 95% CI, 0.987-1.797; p = 0.061). In diplotype analysis, a trend was found between number of CC haplotype and risk of KD (but non-significant, p =0.061). In conclusion, CC genotype and CC/CC diplotype at IL-10-819T > C and -592A > C were significantly associated with risk of KD in case-parent trio study, which were replicated partially in our follow-up case-control study.
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