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Autoimmune maintenance and neuroprotection of the central nervous system.

机译:中枢神经系统的自身免疫维持和神经保护。

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摘要

The genesis of immune privilege high in the evolutionary tree suggests that immune privilege is necessary, if not advantageous for the progressive development of the CNS. Upon reaching a certain degree of complexity, it seems as if the CNS was obliged to restrain the immune system from penetrating the blood-brain barrier. CNS autoimmunity against myelin proteins is known to be a contributory factor in the pathophysiology of multiple sclerosis and in the animal model of experimental autoimmune encephalomyelitis (EAE) (Wekerle, 1993). Such autoimmunity has therefore been regarded as detrimental and hence obviously undesirable. However, recent findings in our laboratory suggest that T-cell autoimmunity to CNS self-antigens (Moalem et al., 1999), if expressed at the right time and the right place, can do much good in the CNS. We shall review the experiments briefly, and then discuss their implications for our understanding of immune privilege and CNS maintenance after injury.
机译:进化树中较高的免疫特权的起源表明,免疫特权是必要的,即使对CNS的逐步发展不利。一旦达到一定程度的复杂性,似乎中枢神经系统就不得不限制免疫系统穿透血脑屏障。已知中枢神经系统对髓磷脂蛋白的自身免疫是多发性硬化症的病理生理学和实验性自身免疫性脑脊髓炎(EAE)的动物模型的促成因素(Wekerle,1993)。因此,这种自身免疫被认为是有害的,因此显然是不希望的。但是,我们实验室最近的发现表明,如果在正确的时间和正确的位置表达T细胞对CNS自身抗原的自身免疫(Moalem等,1999),可以在CNS中发挥很大的作用。我们将简要回顾实验,然后讨论它们对理解免疫特权和损伤后CNS维持的意义。

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