Unknown

Dataset Information

0

Type I interferon is required for T helper (Th) 2 induction by dendritic cells.


ABSTRACT: Type 2 inflammation is a defining feature of infection with parasitic worms (helminths), as well as being responsible for widespread suffering in allergies. However, the precise mechanisms involved in T helper (Th) 2 polarization by dendritic cells (DCs) are currently unclear. We have identified a previously unrecognized role for type I IFN (IFN-I) in enabling this process. An IFN-I signature was evident in DCs responding to the helminth Schistosoma mansoni or the allergen house dust mite (HDM). Further, IFN-I signaling was required for optimal DC phenotypic activation in response to helminth antigen (Ag), and efficient migration to, and localization with, T cells in the draining lymph node (dLN). Importantly, DCs generated from Ifnar1-/- mice were incapable of initiating Th2 responses in vivo These data demonstrate for the first time that the influence of IFN-I is not limited to antiviral or bacterial settings but also has a central role to play in DC initiation of Th2 responses.

SUBMITTER: Webb LM 

PROVIDER: S-EPMC5556270 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

altmetric image

Publications


Type 2 inflammation is a defining feature of infection with parasitic worms (helminths), as well as being responsible for widespread suffering in allergies. However, the precise mechanisms involved in T helper (Th) 2 polarization by dendritic cells (DCs) are currently unclear. We have identified a previously unrecognized role for type I IFN (IFN-I) in enabling this process. An IFN-I signature was evident in DCs responding to the helminth <i>Schistosoma mansoni</i> or the allergen house dust mite  ...[more]

Similar Datasets

| S-EPMC2768351 | biostudies-literature
| S-EPMC3121950 | biostudies-literature
| S-EPMC2625293 | biostudies-literature
| S-EPMC4447135 | biostudies-literature
| S-EPMC3057371 | biostudies-literature
| S-EPMC6213651 | biostudies-literature
| S-EPMC4052223 | biostudies-literature
| S-EPMC3648566 | biostudies-literature
| S-EPMC3732485 | biostudies-literature
| S-EPMC5707144 | biostudies-literature