Abstract:
:The minor allele of the non-synonymous single nucleotide polymorphism (SNP) +1858C>T within the PTPN22 gene has now been unequivocally confirmed as conferring susceptibility to RA in population from Europe and America, but not in population from Asia. The aim of this study was to jointly address and integrate these separate findings to further elucidate the association between the PTPN22 gene and RA in Chinese Hans of Guangdong province. Four hundred and ninety-four cases with RA and 496 healthy controls were randomly selected, their SNPs at position -1123G>C (rs2488457), +1858C>T (rs2476601), +788G>A (rs33996649), and rs1310182 were genotyped using PCR-RFLP, followed by agarose gel electrophoresis. +1858C>T (rs2476601) and +788G>A (rs33996649) are not polymorphic in Chinese Hans. Meanwhile, our result reveals that the degree of association between the promoter polymorphism, -1123G>C and RA, was analogous to that observed in Japanese reports (odds ratio [OR] = 1.517, 95% CI = [1.154-1.995], P = 0.003). Expression study also indicated a tendency for association between -1123G>C and PTPN22 gene expression. Our study underpins that the promoter polymorphism, -1123G/C, may be a causal SNP for RA in Asian.
journal_name
Rheumatol Intjournal_title
Rheumatology internationalauthors
Huang JJ,Qiu YR,Li HX,Sun DH,Yang J,Yang CLdoi
10.1007/s00296-010-1705-xsubject
Has Abstractpub_date
2012-03-01 00:00:00pages
767-71issue
3eissn
0172-8172issn
1437-160Xjournal_volume
32pub_type
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