Journal
NATURE IMMUNOLOGY
Volume 10, Issue 5, Pages 488-495Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/ni.1724
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Funding
- Deutsche Forschungsgemeinschaft [BE 3285-1/2]
- National Health and Medical Research Council of Australia
- Howard Hughes Medical Institute
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Skin-derived dendritic cells (DCs) include Langerhans cells, classical dermal DCs and a langerin-positive CD103(+) dermal subset. We examined their involvement in the presentation of skin-associated viral and self antigens. Only the CD103(+) subset efficiently presented antigens of herpes simplex virus type 1 to naive CD8(+) T cells, although all subsets presented these antigens to CD4(+) T cells. This showed that CD103+ DCs were the migratory subset most efficient at processing viral antigens into the major histocompatibility complex class I pathway, potentially through cross-presentation. This was supported by data showing only CD103(+) DCs efficiently cross-presented skin-derived self antigens. This indicates CD103(+) DCs are the main migratory subtype able to cross-present viral and self antigens, which identifies another level of specialization for skin DCs.
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