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Nature：Treg细胞的抗肿瘤效应与促免疫效应

2013-09-23 Nature中文网 Nature中文网

Treg细胞抗肿瘤效应促免疫效应
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“调控性T细胞”(Treg) 构成有效抗肿瘤免疫的一道屏障。它们的删除能诱导很多肿瘤的减小和清除，但由于这些细胞在免疫系统中发挥重要的平衡作用，所以其删除也会导致失控的自体免疫和死亡。这篇论文描述了semaphorin-4a（T-细胞介导的免疫的一个活化剂）和neuropilin受体Nrp1在Treg细胞上的一种相互作用，该相互作用是Treg细胞限制抗肿瘤免疫反应和治疗已发生的炎性结肠炎所必需的，

“调控性T细胞”(Treg) 构成有效抗肿瘤免疫的一道屏障。它们的删除能诱导很多肿瘤的减小和清除，但由于这些细胞在免疫系统中发挥重要的平衡作用，所以其删除也会导致失控的自体免疫和死亡。这篇论文描述了semaphorin-4a（T-细胞介导的免疫的一个活化剂）和neuropilin受体Nrp1在Treg细胞上的一种相互作用，该相互作用是Treg细胞限制抗肿瘤免疫反应和治疗已发生的炎性结肠炎所必需的，但对自体免疫的抑制和免疫自稳的维持来说却是可有可无的。至于是否可以通过以Treg细胞为目标来限制肿瘤生长而又不会引发自体免疫，其可行性仍有待确定。两种生物活性也许是不可分开的，但这项工作指出了可以对这一重要系统进一步定性的方向。

原文下载

Delgoffe GM, Woo SR, Turnis ME, Gravano DM, Guy C, Overacre AE, Bettini ML, Vogel P, Finkelstein D, Bonnevier J, Workman CJ, Vignali DA.Stability and function of regulatory T cells is maintained by a neuropilin-1-semaphorin-4a axis.Nature. 2013 Sep 12;501(7466):252-6.

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    2014-03-01 liye789132251

    #Nat#

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    2013-09-25 12498dd9m11暂无昵称

    #Treg细胞#

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    2013-09-25 12498484m48(暂无昵称)

    #Treg#

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