第三，他们设计让老鼠在它们没有其他皮肤问题的情况下，在它们的皮肤里产生高水平的胸腺基质淋巴细胞生成素。

Thirdly, they engineered mice to produce high levels of TSLP in their skin in the absence of other skin problems.

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他们发现这种敲除基因的小鼠骨髓中的淋巴细胞较正常鼠少50%，产生特异免疫细胞的胸腺较正常鼠少80%。

They found that the knockout mice had 50 percent fewer lymphocytes in their bone marrow and 80 percent fewer in their thymus, a collection of glands that helps produce specialized immune cells.

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胸腺上皮细胞分泌产生的胸腺激素在T淋巴细胞发育分化过程中起重要作用。

The thymus hormones secreted by thymus epithelial cell plays a important role during t cell development and diff.

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