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Mol Biol Rep. 2011 Oct;38(7):4583-8. doi: 10.1007/s11033-010-0590-4. Epub 2010 Dec 2.

Possible association of VISA gene polymorphisms with susceptibility to systemic lupus erythematosus in Chinese population.

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1
Central Laboratory, Shandong Provincial Hospital, Shandong University, 324 Jingwu Road, Jinan 250021, People's Republic of China.

Abstract

Virus-induced signaling adapter (VISA), an important adaptor protein linking both RIG-I and MDA-5 to downstream signaling events, may mediates the activation of NF kappaB and IRFs and the induction of type I IFN. As the evidence has showed that Toll-like receptors (TLRs), I-IFN and IFN-inducible genes contribute to the pathogenesis of systemic lupus erythematosus (SLE), the aim of the current study was to investigate the possible associations between the VISA gene and SLE. Four single nucleotide polymorphisms (SNPs), rs17857295, rs2326369, rs7262903, and rs7269320, in VISA gene were genotyped in 123 SLE patients and 95 healthy controls. Genotyping was performed using direct sequencing the purified PCR products. Associations were analyzed by using the chi-square test and Fisher's exact test. Haplotype analysis was performed using haploview and PHASE2.1. None of the four SNPs was found to be associated with SLE. The four-SNPs haplotype analysis showed different effect between cases and controls. While the SNPs, rs17857295 and rs2326369, were found to be associated with the renal nephritis and arthritis of SLE patient, respectively. The SNPs rs7269320 showed associations with different manifestations. Our data reveal that polymorphisms in the VISA gene may be related to disease susceptibility and manifestations of SLE.

PMID:
21127988
DOI:
10.1007/s11033-010-0590-4
[Indexed for MEDLINE]

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