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|Title:||Cutaneous immunosurveillance and regulation of inflammation by group 2 innate lymphoid cells|
Fazekas de St Groth, B.
Le Gros, G.
|Citation:||Nature Immunology, 2013; 14(6):564-573|
|Publisher:||Nature Publishing Group|
|Ben Roediger, Ryan Kyle, Kwok Ho Yip, Nital Sumaria, Thomas V Guy, Brian S Kim, Andrew J Mitchell, Szun S Tay, Rohit Jain, Elizabeth Forbes-Blom, Xi Chen, Philip L Tong, Holly A Bolton, David Artis, William E Paul, Barbara Fazekas de St Groth, Michele A Grimbaldeston, Graham Le Gros, & Wolfgang Weninger|
|Abstract:||Type 2 immunity is critical for defense against cutaneous infections but also underlies the development of allergic skin diseases. We report the identification in normal mouse dermis of an abundant, phenotypically unique group 2 innate lymphoid cell (ILC2) subset that depended on interleukin 7 (IL-7) and constitutively produced IL-13. Intravital multiphoton microscopy showed that dermal ILC2 cells specifically interacted with mast cells, whose function was suppressed by IL-13. Treatment of mice deficient in recombination-activating gene 1 (Rag1−/−) with IL-2 resulted in the population expansion of activated, IL-5-producing dermal ILC2 cells, which led to spontaneous dermatitis characterized by eosinophil infiltrates and activated mast cells. Our data show that ILC2 cells have both pro- and anti-inflammatory properties and identify a previously unknown interactive pathway between two innate populations of cells of the immune system linked to type 2 immunity and allergic diseases.|
Mice, Inbred BALB C
Mice, Inbred C57BL
Green Fluorescent Proteins
Microscopy, Fluorescence, Multiphoton
|Rights:||© 2013, Nature America Inc. All rights reserved.|
|Appears in Collections:||Aurora harvest 2|
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