EBNA1 and LMP1 variants in multiple sclerosis cases and controls.

EBNA1 and LMP1 variants in multiple sclerosis cases and controls.
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多发性硬化症病例和对照中的 EBNA1 和 LMP1 变异。

DOI:
10.1111/j.1600-0404.2010.01410.x
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发表时间:
2011
影响因子:
3.5
通讯作者:
Ascherio,A
Ascherio,A
中科院分区:
医学3区
文献类型:
--
作者:
Simon,KC;Yang,X;Munger,KL;Ascherio,A

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Simon KC,Yang X,Munger KL,Ascherio A.多发性硬化症病例和对照中的EBNA 1和LMP 1变体. Acta Neurol Scand:2011:124:53-58. © 2010 John Wiley & Sons A/S.背景-Epstein-Barr病毒(EBV)的先前感染是多发性硬化症(MS)的既定风险因素。 

观察性研究的一些结果,包括可能的流行病和患病率的差异,可以解释,如果不同的EBV株赋予不同的MS risk.Methods-DNA提取外周血淋巴细胞从66 MS病例和66年龄和队列匹配的对照。 进行巢式聚合酶链反应(PCR)以扩增EBNA 1的N-和C-末端区域以及LMP 1基因的高变区。对于EBNA 1,我们比较了MS病例和对照中原型B95.8与变体序列的存在以及多种菌株的存在。结果-比较MS病例组和对照组EBNA 1 N-末端(0/28 vs 1/27)和C-末端(3/40 vs 8/36)的突变序列比例,显示无显著差异(P> 0.05)。   LMP 1的个体变异与MS的发病风险无关(均P> 0.05)。 EBNA 1和LMP 1变异均与抗EBNA 1 IgG抗体滴度无关。结论-这些发现并不支持EBNA 1 N末端、EBNA 1 C末端或LMP 1变异对MS风险的重要作用。  
Simon KC, Yang X, Munger KL, Ascherio A. EBNA1 and LMP1 variants in multiple sclerosis cases and controls.
Acta Neurol Scand: 2011: 124: 53–58.
© 2010 John Wiley & Sons A/S.Background –Prior infection with Epstein–Barr virus (EBV) is an established risk factor for multiple sclerosis (MS). Some findings from observational studies, including possible epidemics and differences in prevalence, may be explained if different strains of EBV conferred different MS risk.Methods –DNA was extracted from peripheral lymphocytes obtained from 66 MS cases and 66 age‐ and cohort‐matched controls. Nested polymerase chain reaction (PCR) was performed to amplify the N‐ and C‐terminus regions of EBNA1 and the hyper‐variable region of the LMP1 gene. For EBNA1, we compared the presence of the prototype B95.8 vs variant sequence and the presence of multiple strains in MS cases and controls. For LMP1, we considered differences in the proportions of mutations between cases and controls.Results –Comparing the proportion of mutant sequence between MS cases and controls in the EBNA1 N‐terminal (0/28 vs 1/27) and C‐terminal regions (3/40 vs 8/36) revealed no significant differences (P> 0.05). No individual variants in LMP1 were associated with risk of MS (allP> 0.05). Neither EBNA1 nor LMP1 variation was associated with anti‐EBNA1 IgG antibody titers.Conclusions –These findings do not support a strong role for variation in EBNA1 N‐terminus, EBNA1 C‐terminus or LMP1 contributing to MS risk.
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