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- Title
The functional PTPN22 C1858T polymorphism confers risk for rheumatoid arthritis in patients from Central Mexico.
- Authors
Rincón, J.; Cano, D.; Morales, S.; Jiménez, M.; Cobos, R.; Bello, J.
- Abstract
Rheumatoid arthritis (RA) is a complex genetic disease. Human leukocyte antigen (HLA) and non-HLA genes are reportedly associated with an increased risk of RA. The protein tyrosine phosphatase non-receptor 22 gene ( PTPN22), which encodes the lymphoid tyrosine phosphatase (LYP) protein, is one of the best examples of a non-HLA gene associated with a risk for RA in several populations. The functional PTPN22 C1858T (R620W) non-synonymous polymorphism is widely associated with an increased risk for RA in Europeans and non-Europeans. The aim of this study was to determine if the PTPN22 C1858T polymorphism confers susceptibility to RA in a sample of patients from Mexico. This study included 364 RA patients and 387 non-related controls from Central Mexico. Genotyping of the PTPN22 C1858T (rs2476601) polymorphism was performed using allelic discrimination assays with TaqMan probes. The functional PTPN22 C1858T polymorphism was associated with an increased risk for RA in our study population. The CC vs CT genotype in RA patients versus healthy controls had an odds ratio (OR) of 4.17 (95 % CI 1.79-9.74, p = 0.00036), while T allele had an OR of 4.06 (95 % CI 1.75-9.41, p = 0.00043). PTPN22 is a genetic risk factor for developing RA in the Mexican population.
- Subjects
MEXICO; RHEUMATOID arthritis risk factors; PROTEIN-tyrosine phosphatase genetics; GENETIC polymorphisms; HLA histocompatibility antigens; GENETICS of disease susceptibility
- Publication
Clinical Rheumatology, 2016, Vol 35, Issue 6, p1457
- ISSN
0770-3198
- Publication type
Article
- DOI
10.1007/s10067-016-3223-z