Abstract:
:In comparison to murine dendritic cells (DCs), less is known about the function of human DCs in tissues. Here, we analyzed, by using lung tissues from humans and humanized mice, the role of human CD1c(+) and CD141(+) DCs in determining the type of CD8(+) T cell immunity generated to live-attenuated influenza virus (LAIV) vaccine. We found that both lung DC subsets acquired influenza antigens in vivo and expanded specific cytotoxic CD8(+) T cells in vitro. However, lung-tissue-resident CD1c(+) DCs, but not CD141(+) DCs, were able to drive CD103 expression on CD8(+) T cells and promoted CD8(+) T cell accumulation in lung epithelia in vitro and in vivo. CD1c(+) DCs induction of CD103 expression was dependent on membrane-bound cytokine TGF-β1. Thus, CD1c(+) and CD141(+) DCs generate CD8(+) T cells with different properties, and CD1c(+) DCs specialize in the regulation of mucosal CD8(+) T cells.
journal_name
Immunityjournal_title
Immunityauthors
Yu CI,Becker C,Wang Y,Marches F,Helft J,Leboeuf M,Anguiano E,Pourpe S,Goller K,Pascual V,Banchereau J,Merad M,Palucka Kdoi
10.1016/j.immuni.2013.03.004subject
Has Abstractpub_date
2013-04-18 00:00:00pages
818-30issue
4eissn
1074-7613issn
1097-4180pii
S1074-7613(13)00139-8journal_volume
38pub_type
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