Functional mechanisms of CCR10 in maintenance of the skin immune homeostasis

描述（由申请人提供）：总结CCR 10是一种趋化因子受体。其配体之一CCL 27主要在皮肤中表达。CCR 10/配体轴被认为在引导表达CCR 10的T细胞向皮肤中的迁移和维持中起作用，并且与许多皮肤炎性疾病如银屑病和特应性皮炎有关。然而，CCR 10在体内调节皮肤免疫应答的功能重要性和机制仍然不清楚。我们已经产生了CCR 10敲除/EGFP敲入小鼠，并发现CCR 10敲除小鼠改变了皮肤驻留T细胞的维持和对各种皮肤抗原挑战的反应。我们建议使用这些小鼠模型来研究CCR 10在调节皮肤T反应和免疫稳态中的功能机制。

DESCRIPTION (provided by applicant): Summary CCR10 is a chemokine receptor. One of its ligand, CCL27, is predominantly expressed in the skin. The CCR10/ligand axis was suggested to play a role in directing migration and maintenance of CCR10-expressing T cells into the skin and has been implicated in many skin inflammatory diseases such as psoriasis and atopic dermatitis. However, the in vivo functional importance and mechanisms of CCR10 in regulating the cutaneous immune responses are still not clear. We have generated CCR10-knockout/EGFP-knockin mice and found that the CCR10-knockout mice have altered maintenance of skin-resident T cells and response to various skin antigen challenges. We propose to use these mouse models to study the functional mechanisms of CCR10 in regulating the skin T response and immune homeostasis.