BAFF-And APRIL-Dependent maintenance of antibody titers after immunization with t-dependent antigen and cd1d-binding ligand

Hemangi B. Shah, Sunil Joshi, Pragya Rampuria, T. Scott Devera, Gillian A. Lang, William Stohl, Mark L. Lang

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

CD1d-restricted invariant NKT (iNKT) cells boost humoral immunity to T-dependent Ags that are coadministered with the CD1dbinding glycolipid Ag a-galactosylceramide (a-GC). Observations that mice lacking iNKT cells have decaying Ab responses following vaccination have led to the hypothesis that iNKT cells express plasma cell (PC) survival factors that sustain specific Ab titers. Bone marrow chimeric mice in which the entire hematopoietic compartment or iNKT cells selectively lacked BAFF, a proliferation-inducing ligand (APRIL), or both BAFF and APRIL were created and immunized with nitrophenol haptenconjugated keyhole limpet hemocyanin adsorbed to Imject aluminum hydroxide-containing adjuvant or mixed with a-GC. In comparison with BAFF- or APRIL-sufficient bone marrow chimeras, absence of hematopoietic compartment- and iNKT-derived BAFF and APRIL was associated with rapidly decaying Ab titers and reduced PC numbers. The iNKT cell-derived BAFF or APRIL assumed a greater role in PC survival when a-GC was used as the adjuvant for immunization. These results show that iNKT cell- derived BAFF and APRIL each contribute to survival of PCs induced by immunization. This study sheds new light on the mechanisms through which iNKT cells impact humoral immunity and may inform design of vaccines that incorporate glycolipid adjuvants.

Original languageEnglish (US)
Pages (from-to)1154-1163
Number of pages10
JournalJournal of Immunology
Volume191
Issue number3
DOIs
StatePublished - Aug 1 2013
Externally publishedYes

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CD1d Antigen
Natural Killer T-Cells
Immunization
Maintenance
Ligands
Galactosylceramides
Antibodies
Plasma Cells
Glycolipids
Humoral Immunity
Cell Survival
Bone Marrow
Aluminum Hydroxide
Nitrophenols
Vaccination
Vaccines
Cell Count

ASJC Scopus subject areas

  • Immunology

Cite this

BAFF-And APRIL-Dependent maintenance of antibody titers after immunization with t-dependent antigen and cd1d-binding ligand. / Shah, Hemangi B.; Joshi, Sunil; Rampuria, Pragya; Devera, T. Scott; Lang, Gillian A.; Stohl, William; Lang, Mark L.

In: Journal of Immunology, Vol. 191, No. 3, 01.08.2013, p. 1154-1163.

Research output: Contribution to journalArticle

Shah, Hemangi B. ; Joshi, Sunil ; Rampuria, Pragya ; Devera, T. Scott ; Lang, Gillian A. ; Stohl, William ; Lang, Mark L. / BAFF-And APRIL-Dependent maintenance of antibody titers after immunization with t-dependent antigen and cd1d-binding ligand. In: Journal of Immunology. 2013 ; Vol. 191, No. 3. pp. 1154-1163.
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