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Batf3-dependent CD103(+) dendritic cell accumulation is dispensable for mucosal and systemic antifungal host defense.


ABSTRACT: Dendritic cells (DCs) are critical for defense against a variety of pathogens and the formation of adaptive immune responses. The transcription factor Batf3 is critical for the development of CD103(+)CD11b(-) DCs, which promote IL-12-dependent protective immunity during viral and parasitic infections, dampen Th2 immunity during helminthic infection, and exert detrimental effects during bacterial infection. Whether CD103(+) DCs modulate immunity during systemic or mucosal fungal disease remains unknown. Herein, we report that Batf3 is critical for accumulation of CD103(+) DCs in the kidney and tongue at steady state, for their expansion during systemic and oropharyngeal candidiasis, and for tissue-specific production of IL-12 in kidney but not tongue during systemic and oropharyngeal candidiasis, respectively. Importantly, deficiency of CD103(+) DCs does not impair survival or fungal clearance during systemic or oropharyngeal candidiasis, indicating that Batf3-dependent CD103(+) DC accumulation mediates pathogen- and tissue-specific immune effects.

SUBMITTER: Break TJ 

PROVIDER: S-EPMC5029292 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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Batf3-dependent CD103(+) dendritic cell accumulation is dispensable for mucosal and systemic antifungal host defense.

Break Timothy J TJ   Hoffman Kevin W KW   Swamydas Muthulekha M   Lee Chyi-Chia Richard CC   Lim Jean K JK   Lionakis Michail S MS  

Virulence 20160518 7


Dendritic cells (DCs) are critical for defense against a variety of pathogens and the formation of adaptive immune responses. The transcription factor Batf3 is critical for the development of CD103(+)CD11b(-) DCs, which promote IL-12-dependent protective immunity during viral and parasitic infections, dampen Th2 immunity during helminthic infection, and exert detrimental effects during bacterial infection. Whether CD103(+) DCs modulate immunity during systemic or mucosal fungal disease remains u  ...[more]

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