Development and functional specialization of CD103+dendritic cells

被引:214
作者
del Rio, Maria-Luisa [1 ]
Bernhardt, Guenter [1 ]
Rodriguez-Barbosa, Jose-Ignacio [2 ]
Foerster, Reinhold [1 ]
机构
[1] Hannover Med Sch, Inst Immunol, D-30625 Hannover, Germany
[2] Univ Leon, Inst Biomed, E-24071 Leon, Spain
关键词
CD103; dendritic cell; lung; intestine; antigen presentation; REGULATORY T-CELLS; CD8-ALPHA(+) DENDRITIC CELLS; PERIPHERAL LYMPHOID ORGANS; BLOOD MONOCYTE SUBSETS; MHC CLASS-I; CROSS-PRESENTATION; STEADY-STATE; BONE-MARROW; SELF-ANTIGENS; LANGERHANS CELLS;
D O I
10.1111/j.0105-2896.2009.00874.x
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
CD103 (alpha(E)) integrin expression distinguishes a population of dendritic cells (DCs) that can be found in many if not all lymphoid and non-lymphoid organs. CD103+ DCs display distinct functional activities. Migratory CD103+ DCs derived from skin, lung, and intestine efficiently present exogenous antigens in their corresponding draining lymph nodes to specific CD8+ T cells through a mechanism known as cross-presentation. On the T cells they prime, intestinal CD103+ DCs can drive the induction of the chemokine receptor CCR9 and alpha(4)beta(7) integrin, both known as gut-homing receptors. CD103+ DCs also contribute to control inflammatory responses and intestinal homeostasis by fostering the conversion of naive T cells into induced Foxp3+ regulatory T cells, a mechanism that relies on transforming growth factor-beta and retinoic acid signaling. This review discusses recent findings that identify murine CD103+ DCs as important regulators of the immune response.
引用
收藏
页码:268 / 281
页数:14
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