Segmented filamentous bacteria antigens presented by intestinal dendritic cells drive mucosal Th17 cell differentiation

Yoshiyuki Goto, Casandra Panea, Gaku Nakato, Anna Cebula, Carolyn Lee, Marta Galan Diez, Terri M. Laufer, Leszek Ignatowicz, Ivaylo I. Ivanov

Research output: Contribution to journalArticle

216 Citations (Scopus)

Abstract

How commensal microbiota contributes to immune cell homeostasis at barrier surfaces is poorly understood. Lamina propria (LP) T helper 17 (Th17) cells participate in mucosal protection and are induced by commensal segmented filamentous bacteria (SFB). Here we show that MHCII-dependent antigen presentation of SFB antigens by intestinal dendritic cells (DCs) is crucial for Th17 cell induction. Expression of MHCII on CD11c+ cells was necessary and sufficient for SFB-induced Th17 cell differentiation. Most SFB-induced Th17 cells recognized SFB in an MHCII-dependent manner. SFB primed and induced Th17 cells locally in the LP and Th17 cell induction occurred normally in mice lacking secondary lymphoid organs. The importance of other innate cells was unveiled by the finding that MHCII deficiency in group 3 innate lymphoid cells (ILCs) resulted in an increase in SFB-independent Th17 cell differentiation. Our results outline the complex role of DCs and ILCs in the regulation of intestinal Th17 cell homeostasis.

Original languageEnglish (US)
Pages (from-to)594-607
Number of pages14
JournalImmunity
Volume40
Issue number4
DOIs
StatePublished - Apr 17 2014

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Th17 Cells
Dendritic Cells
Cell Differentiation
Bacteria
Antigens
Mucous Membrane
Homeostasis
Lymphocytes
Microbiota
Antigen Presentation

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Infectious Diseases

Cite this

Segmented filamentous bacteria antigens presented by intestinal dendritic cells drive mucosal Th17 cell differentiation. / Goto, Yoshiyuki; Panea, Casandra; Nakato, Gaku; Cebula, Anna; Lee, Carolyn; Diez, Marta Galan; Laufer, Terri M.; Ignatowicz, Leszek; Ivanov, Ivaylo I.

In: Immunity, Vol. 40, No. 4, 17.04.2014, p. 594-607.

Research output: Contribution to journalArticle

Goto, Y, Panea, C, Nakato, G, Cebula, A, Lee, C, Diez, MG, Laufer, TM, Ignatowicz, L & Ivanov, II 2014, 'Segmented filamentous bacteria antigens presented by intestinal dendritic cells drive mucosal Th17 cell differentiation', Immunity, vol. 40, no. 4, pp. 594-607. https://doi.org/10.1016/j.immuni.2014.03.005
Goto, Yoshiyuki ; Panea, Casandra ; Nakato, Gaku ; Cebula, Anna ; Lee, Carolyn ; Diez, Marta Galan ; Laufer, Terri M. ; Ignatowicz, Leszek ; Ivanov, Ivaylo I. / Segmented filamentous bacteria antigens presented by intestinal dendritic cells drive mucosal Th17 cell differentiation. In: Immunity. 2014 ; Vol. 40, No. 4. pp. 594-607.
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AU - Diez, Marta Galan

AU - Laufer, Terri M.

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