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Elevated Epidermal Thymic Stromal Lymphopoietin Levels Establish an Antitumor Environment in the Skin

机译:表皮胸腺基质淋巴细胞生成素水平升高在皮肤中建立抗肿瘤环境

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摘要

Thymic Stromal Lymphopoietin (TSLP), a cytokine implicated in induction of T helper 2 (Th2)-mediated allergic inflammation, has recently been shown to stimulate solid tumor growth and metastasis. Conversely, studying mice with clonal loss of Notch signaling in their skin revealed that high levels of TSLP released by barrier-defective skin caused a severe inflammation, resulting in gradual elimination of Notch-deficient epidermal clones and resistance to skin tumorigenesis. We found CD4 + T cells to be both required and sufficient to mediate these effects of TSLP. Importantly, TSLP overexpression in wild-type skin also caused resistance to tumorigenesis, confirming that TSLP functions as a tumor suppressor in the skin.
机译:胸腺基质淋巴细胞生成素(TSLP)是一种与T辅助2(Th2)介导的变态反应性炎症有关的细胞因子,最近被证明可以刺激实体瘤的生长和转移。相反,研究在皮肤中具有Notch信号的克隆缺失的小鼠,发现屏障障碍性皮肤释放的高水平TSLP引起严重的炎症,从而逐渐消除了Notch缺陷的表皮克隆和对皮肤肿瘤发生的抵抗力。我们发现CD4 + T细胞既需要也足以介导TSLP的这些作用。重要的是,TSLP在野生型皮肤中的过表达也引起了对肿瘤发生的抗性,证实了TSLP在皮肤中起着抑癌作用。

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