iNKT cell autoreactivity: what is 'self' and how is it recognized?

iNKT cell autoreactivity: what is 'self' and how is it recognized?
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DOI:
10.1038/nri2743
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发表时间:
2010-04
期刊:
Nature reviews. Immunology
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其他
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在通过其T细胞受体刺激后,不变的自然杀伤T(iNKT)细胞通过快速释放大量效应细胞因子和趋化因子而充当先天效应细胞,因此在调节随后的免疫应答中具有重要作用。iNKT细胞识别多种糖脂抗原并被其激活,其中许多抗原存在于微生物中。然而,iNKT细胞也表现出对“自身”的一些反应性。在这里,我概述了我们目前对iNKT细胞自身反应性的理解,并提出几种自身脂质可能参与了iNKT细胞的阳性选择和自身反应性。
Following stimulation through their T cell receptor, invariant natural killer T (iNKT) cells act as innate effector cells by rapidly releasing large amounts of effector cytokines and chemokines and therefore have an important role in modulating the ensuing immune response. iNKT cells recognize and are activated by diverse glycolipid antigens, many of which are found in microorganisms. However, iNKT cells also demonstrate some reactivity to “self”. Here, I outline our current understanding of iNKT cell autoreactivity and propose that several self-lipids are probably involved in the positive selection and autoreactivity of iNKT cells.
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