Chemokine gene silencing in decidual stromal cells limits T cell access to the maternal-fetal interface.
Chemokine gene silencing in decidual stromal cells limits T cell access to the maternal-fetal interface.
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DOI:
10.1126/science.1220030
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发表时间:
2012-06-08
期刊:
影响因子:
--
通讯作者:
Erlebacher A
中科院分区:
文献类型:
--
作者:
Nancy P;Tagliani E;Tay CS;Asp P;Levy DE;Erlebacher A
The chemokine-mediated recruitment of effector T cells to sites of inflammation is a central feature of the immune response. The extent to which chemokine expression levels are limited by the intrinsic developmental characteristics of a tissue has remained unexplored. We show in mice that effector T cells cannot accumulate within the decidua, the specialized stromal tissue encapsulating the fetus and placenta. Impaired accumulation was in part attributable to the epigenetic silencing of key T cell-attracting inflammatory chemokine genes in decidual stromal cells, as evidenced by promoter accrual of repressive histone marks. These findings give insight into mechanisms of fetomaternal immune tolerance as well as reveal the epigenetic modification of tissue stromal cells as a modality for limiting effector T cell trafficking.
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