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首页> 外文期刊>The international journal of developmental biology >The Le Douarin phenomenon: a shift in the paradigm of developmental self-tolerance
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The Le Douarin phenomenon: a shift in the paradigm of developmental self-tolerance

机译:Le Douarin现象:发展自我宽容范式的转变

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摘要

Ever since the foundations of Immunology, "self-tolerance" has remained a central issue in this field, pertaining to basic and clinical questions alike. Burnet and Medawar shared the Nobel Prize in 1960 for proposing that tolerance is induced by tissue antigens, if present during the development of the immune system during the embryoniceonatal period. Very elegant experiments by Le Douarin and colleagues in the 1980's demonstrated that this is not the case; rather, the establishment of tolerance to peripheral tissues requires thymic epithelium which selects CD4 T lymphocytes mediating "dominant tolerance". The recent wealth of work on "regulatory T cells", as well as observations on the selective regulation of "tissue-specific" gene expression in thymic epithelial cells, confirm the critical relevance of those seminal findings in modern immunology.
机译:自从免疫学的基础以来,“自我耐受”一直是该领域的核心问题,涉及基本和临床问题。伯内特(Burnet)和梅达瓦尔(Medawar)在1960年获得诺贝尔奖,因为他提议,如果在胚胎/新生儿期免疫系统发育过程中存在组织抗原,则组织抗原会诱导耐受。 Le Douarin及其同事在1980年代进行的非常优雅的实验表明,事实并非如此。相反,对周围组织的耐受性的建立需要胸腺上皮,其选择介导“显性耐受性”的CD4T淋巴细胞。最近关于“调节性T细胞”的大量工作,以及对胸腺上皮细胞中“组织特异性”基因表达的选择性调节的观察,证实了这些开创性发现在现代免疫学中的关键意义。

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