MOE Key Laboratory of Dermatology

Hefei, China

MOE Key Laboratory of Dermatology

Hefei, China
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Zhang Z.,First Affiliated Hospital | Zhang Z.,MOE Key Laboratory of Dermatology | Zhu K.-J.,First Affiliated Hospital | Zhu K.-J.,MOE Key Laboratory of Dermatology | And 22 more authors.
Archives of Dermatological Research | Year: 2010

Systemic lupus erythematosus (SLE) is an autoimmune disease influenced by genetic and environmental factors. Recently, single nucleotide polymorphisms (SNPs) in the region of B lymphoid tyrosine kinase (BLK) have been shown to be associated with SLE in Caucasian population. In this paper, we genotyped SNP rs2248932 in 1,396 SLE patients of Chinese Han and 4,362 ethnically matched control subjects by using the Sequenom MassArray system. We confirmed that SNP rs2248932 in BLK gene was significantly associated with SLE (P= 1.41 × 10-8 for the allele frequency, Odds ratio [OR] = 0.74, 95% confidence interval (CI): 0.66-0.82).The association of BLK in Chinese SLE patients was consistent with a dominant model (P = 8.88 × 10-9, OR = 0.69, 95% CI: 0.61-0.79). In contrast to the Caucasian, this risk allele was the major allele in the Chinese Han; the risk allele frequency was higher in Chinese Han than in Caucasian. We did not find the association between this SNP and any subphenotype of SLE. The SNP rs2248932 was correlated to the expression of BLK mRNA. We conclude that the association of the BLK region with SLE was replicated in Chinese Han population living in mainland. © Springer-Verlag 2010.


Cai L.-Q.,Anhui Medical University | Cai L.-Q.,MOE Key Laboratory of Dermatology | Wang Z.-X.,Anhui Medical University | Wang Z.-X.,MOE Key Laboratory of Dermatology | And 15 more authors.
Molecular Biology Reports | Year: 2010

Systemic lupus erythematosus (SLE) is a complex systemic disease influenced by genetic and environmental factors. The exact pathogenesis of SLE is still unknown. Recently, several genome-wide association studies (GWA) in European population have found many novel susceptibility genes for SLE including TNFAIP3. In order to examine whether TNFAIP3 is associated with SLE in Chinese Han population, we genotyped one of its non-synonymous mutation SNP rs2230926, showing significant association evidence with SLE in European population, with 1,420 cases and 4,461 controls of Chinese Han by using Sequenom MassArray system. Highly significant association between SNP rs2230926 and SLE of Chinese Han was detected [OR = 1.65, 95% confidence interval (CI): 1.392-1.986, P = 2.03 × 10-8]. Interestingly, rs2230926 of TNFAIP3 was also associated with arthritis, ANA and some other subphenotypes of the disease. Our findings suggest that SNP rs2230926 in the TNFAIP3 might be a common genetic factor for SLE within different populations in terms of Chinese Han and European population. © 2009 Government Employee.

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