title: Association of FAS gene polymorphisms with systemic lupus erythematosus: A case-control study and meta-analysis.
abstract: The association of functional polymorphisms in the promoter of the apoptosis gene FAS with systemic lupus erythematosus (SLE) susceptibility has been a controversial subject. We conducted a case-control study to investigate this association in a Chinese population and performed a meta-analysis in different populations. The single nucleotide polymorphisms (SNPs) rs2234767 (-1377G>A) and rs1800682 (-670A>G) were genotyped by TaqMan allelic discrimination assays in 552 Chinese SLE patients and 718 healthy controls. In our case-control study, we observed allelic association between the promoter SNP rs2234767 [P=0.033, odds ratio (OR)=0.836, 95% confidence interval (CI), 0.709-0.986] and SLE but not the SNP rs1800682. Haplotype analysis revealed that one haplotype of GA was significantly associated with the disease (P=0.039, OR=1.184, 95% CI, 1.009-1.391). In the meta-analysis available studies, including our data, were combined using the STATA software package v.7.0. The meta-analysis revealed a significant association between FAS polymorphisms and SLE (rs2234767 A vs. G allele; P=0.004, OR=0.819, 95% CI, 0.715-0.938, rs1800682 G vs. A allele: P=0.034, OR=0.791, 95% CI, 0.637-0.983). In conclusion, FAS gene polymorphisms may contribute to SLE susceptibility in the Chinese population, and the meta-analysis shows that FAS polymorphisms may be associated with SLE susceptibility in different populations.
authors.affiliation: Department of Epidemiology and Biostatistics, School of Public Health, and ; Anhui Provincial Laboratory of Population Health and Major Disease Screening and Diagnosis, Anhui Medical University, Hefei, Anhui 230032;
authors.forename: Man-Man
authors.initials: MM
authors.lastname: Lu
authors.forename: Qian-Ling
authors.initials: QL
authors.lastname: Ye
authors.forename: Chen-Chen
authors.initials: CC
authors.lastname: Feng
authors.forename: Jie
authors.initials: J
authors.lastname: Yang
authors.forename: Tao
authors.initials: T
authors.lastname: Zhang
authors.forename: Jing
authors.initials: J
authors.lastname: Li
authors.forename: Rui-Xue
authors.initials: RX
authors.lastname: Leng
authors.forename: Hai-Feng
authors.initials: HF
authors.lastname: Pan
authors.forename: Hui
authors.initials: H
authors.lastname: Yuan
authors.forename: Dong-Qing
authors.initials: DQ
authors.lastname: Ye