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CD103 + CD11b + mucosal classical dendritic cells initiate long-term switched antibody responses to flagellin

Flores-Langarica, A. (author)
University of Birmingham
Müller Luda, K. (author)
Lund University,Lunds universitet,Slemhinnans immunologi,Forskargrupper vid Lunds universitet,Mucosal Immunology,Lund University Research Groups
Persson, E. K. (author)
Lund University,Lunds universitet,Luftvägsinflammation,Forskargrupper vid Lunds universitet,Airway Inflammation and Immunology,Lund University Research Groups
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Cook, C. N. (author)
University of Birmingham
Bobat, S. (author)
University of Birmingham
Marshall, J. L. (author)
University of Birmingham
Dahlgren, M. W. (author)
Lund University,Lunds universitet,Adaptivt immunförsvar,Forskargrupper vid Lunds universitet,Adaptive Immunity,Lund University Research Groups
Hägerbrand, K. (author)
Lund University,Lunds universitet,Adaptivt immunförsvar,Forskargrupper vid Lunds universitet,Adaptive Immunity,Lund University Research Groups
Toellner, K. M. (author)
University of Birmingham
Goodall, M. D. (author)
University of Birmingham
Withers, D. R. (author)
University of Birmingham
Henderson, I. R. (author)
University of Birmingham
Johansson Lindbom, B. (author)
Lund University,Lunds universitet,Adaptivt immunförsvar,Forskargrupper vid Lunds universitet,Adaptive Immunity,Lund University Research Groups,Technical University of Denmark
Cunningham, A. F. (author)
University of Birmingham
Agace, W. W. (author)
Lund University,Lunds universitet,Slemhinnans immunologi,Forskargrupper vid Lunds universitet,Mucosal Immunology,Lund University Research Groups,Technical University of Denmark
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 (creator_code:org_t)
Elsevier BV, 2018
2018
English 12 s.
In: Mucosal Immunology. - : Elsevier BV. - 1933-0219. ; 11:3, s. 681-692
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Antibody responses induced at mucosal and nonmucosal sites demonstrate a significant level of autonomy. Here, we demonstrate a key role for mucosal interferon regulatory factor-4 (IRF4)-dependent CD103 + CD11b + (DP), classical dendritic cells (cDCs) in the induction of T-dependent immunoglobulin G (IgG) and immunoglobulin A (IgA) responses in the mesenteric lymph node (MLN) following systemic immunization with soluble flagellin (sFliC). In contrast, IRF8-dependent CD103 + CD11b ' (SP) are not required for these responses. The lack of this response correlated with a complete absence of sFliC-specific plasma cells in the MLN, small intestinal lamina propria, and surprisingly also the bone marrow (BM). Many sFliC-specific plasma cells accumulating in the BM of immunized wild-type mice expressed α 4 β 7 +, suggesting a mucosal origin. Collectively, these results suggest that mucosal DP cDC contribute to the generation of the sFliC-specific plasma cell pool in the BM and thus serve as a bridge linking the mucosal and systemic immune system.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Medicinska och farmaceutiska grundvetenskaper -- Immunologi inom det medicinska området (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Basic Medicine -- Immunology in the medical area (hsv//eng)

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