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  • Title: A polymorphism in the promoter of the CD14 gene (CD14/-159) is associated with the development of coronary artery lesions in patients with Kawasaki disease.
    Author: Nishimura S, Zaitsu M, Hara M, Yokota G, Watanabe M, Ueda Y, Imayoshi M, Ishii E, Tasaki H, Hamasaki Y.
    Journal: J Pediatr; 2003 Sep; 143(3):357-62. PubMed ID: 14517520.
    Abstract:
    OBJECTIVE: To investigate whether a polymorphism in the CD14 gene is associated with Kawasaki disease (KD). STUDY DESIGN: We extracted DNA from the whole blood of 69 control children and 67 patients with KD. We determined a polymorphism in the CD14 gene at position -159 upstream from the major transcription site (CD14/-159) by restriction fragment assay. We then investigated the association between CD14/-159 and the onset of KD and development of coronary artery lesion (CAL). RESULTS: The genomic and allelic frequencies of the polymorphism were not different between normal children and KD patients. The KD patients with TT genotypes at CD14/-159 had more CAL complications than those with CT and CC (OR, 4.05; 95% CI, 1.34-12.22). The frequencies of the T allele was significantly higher than that of the C allele in KD patients with CAL (OR, 2.20; 95% CI, 1.23-3.94). Their data were confirmed in the patients whether the patients were treated with intravenous gamma-globulin. KD patients with TT genotypes had significantly higher levels of C-reactive protein and vascular endothelial growth factor, which had previously been reported as risk factors for CAL, than those with CC genotypes. CONCLUSION: These results indicate that the T allele and TT genotype at CD14/-159 are risk factors for CAL in KD, and that the development of CAL in KD may be related to the magnitude of CD14 toll-like receptor response.
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