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KMID : 0613820120220010025
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Journal of Life Science
2012 Volume.22 No. 1 p.25 ~ p.30
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Thymic Stromal Lymphopoietin (TSLP) Gene Polymorphisms are not Associated with Rheumatoid Arthritis in a Korean Population
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Lee Sam-Youn
Yu Ji-In
Chae Soo-Cheon
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Abstract
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Thymic stromal lymphopoietin(TSLP) is a novel IL-7-like hematopoietic cytokine. Human TSLP is produced by epithelial cells, stromal cells, and mast cells. The TSLP gene is highly expressed in synovial fluid specimens derived from rheumatoid arthritis (RA) patients. We previously identified four single nucleotide polymorphisms (SNPs) and one variation site in human TSLP gene. In this study, we analyzed the genotypic and allelic frequencies of the TSLP SNPs between RA patients and healthy controls. We also investigated the relationships between SNP genotypes and the RF levels and anti-synthetic cyclic citrullinated peptide (CCP) levels in RA patients. We then calculated the haplotype frequencies defined by these SNPs for both groups. The genotype and allele frequencies of the TSLP SNPs did not differ significantly between the RA patients and the healthy controls. We also found that TSLP SNPs in the RA patients had no significant association with the levels of RF or anti-CCP. Our results suggest that TSLP SNPs are not associated with susceptibility to RA.
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KEYWORD
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TSLP, polymorphism, RA, RF, anti-CCP
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