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首页> 外文期刊>Journal of Neuroimmunology: Official Bulletin of the Research Committee on Neuroimmunology of the World Federation of Neurology >Microarray analysis of gene expression in multiple sclerosis and EAE identifies 5-lipoxygenase as a component of inflammatory lesions.
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Microarray analysis of gene expression in multiple sclerosis and EAE identifies 5-lipoxygenase as a component of inflammatory lesions.

机译:对多发性硬化症和EAE中的基因表达进行的微阵列分析确定5-脂氧合酶是炎性病变的组成部分。

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摘要

Multiple sclerosis (MS) is a demyelinating disease of the central nervous system characterized by lesions that are areas of blood-brain barrier breakdown, inflammation and myelin damage. To identify genes that contribute to lesion pathology, we have compared gene expression in MS lesions and in brains of mice with experimental allergic encephalomyelitis (EAE) with that in normal white matter. Gene expression was analyzed by cDNA microarrays consisting of 2798 human genes. One of the genes found to be upregulated in both MS lesions and EAE brains was 5-lipoxygenase (5-LO), a key enzyme in the biosynthesis of the proinflammatory leukotrienes. The presence of 5-LO in MS lesions was confirmed by immunohistochemistry and indicated that 5-LO was primarily contained within macrophages. Although these findings are not specific for MS, they identify a potentially important component of pro-inflammatory activity in the demyelinating process in MS and suggest a possible target for anti-inflammatory therapy in MS.
机译:多发性硬化症(MS)是中枢神经系统的脱髓鞘疾病,其特征是病变为血脑屏障破坏,炎症和髓鞘受损区域。为了鉴定有助于病变病理的基因,我们比较了实验性变应性脑脊髓炎(EAE)和正常白质小鼠的MS病变和大脑中的基因表达。通过由2798个人类基因组成的cDNA微阵列分析基因表达。在MS病变和EAE脑中均被上调的基因之一是5-脂氧合酶(5-LO),这是促炎性白三烯生物合成中的关键酶。免疫组织化学证实了MS病变中5-LO的存在,表明5-LO主要包含在巨噬细胞内。尽管这些发现不是针对MS的,但它们确定了MS脱髓鞘过程中促炎活性的潜在重要组成部分,并提出了MS抗炎治疗的可能靶标。

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