Expression of B-cell activating factor enhances protective immunity of a vaccine against Pseudomonas aeruginosa

Christine Tertilt, Ju Joh, Anja Krause, Paigee Chou, Kristin Schneeweiss, Ronald Crystal, Stefan Worgall

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

B-cell activating factor (BAFF), a member of the TNF family, is a potent cytokine with stimulatory effects on B and T cells. To evaluate the potential of transient overexpression of BAFF to enhance vaccine immunogenicity, a replication-deficient adenovirus expressing full-length murine BAFF (AdBAFF) was tested in a mouse vaccine model against Pseudomonas aeruginosa. When coadministered with heat-killed P. aeruginosa, AdBAFF mediated a significant increase in anti-P. aeruginosa-specific serum and lung mucosal antibodies and resulted in improved protection against a lethal respiratory challenge with P. aeruginosa. This effect was independent of the site of administration of AdBAFF and was observed both when AdBAFF was given simultaneously with heat-killed P. aeruginosa as well as when AdBAFF was administered 4 weeks after immunization with heat-killed P. aeruginosa. These data demonstrate that a temporal increase in systemic BAFF levels is able to augment a P. aeruginosa-specific immune response upon immunization with heat-killed P. aeruginosa, suggesting that the immune-stimulatory effects of BAFF may be exploited as a molecular adjuvant for genetic vaccines.

Original languageEnglish
Pages (from-to)3044-3055
Number of pages12
JournalInfection and Immunity
Volume77
Issue number7
DOIs
Publication statusPublished - 1 Jul 2009
Externally publishedYes

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B-Cell Activating Factor
Pseudomonas aeruginosa
Immunity
Vaccines
Hot Temperature
Immunization
Adenoviridae
Molecular Biology
B-Lymphocytes
Cytokines
T-Lymphocytes
Lung

ASJC Scopus subject areas

  • Parasitology
  • Microbiology
  • Immunology
  • Infectious Diseases

Cite this

Expression of B-cell activating factor enhances protective immunity of a vaccine against Pseudomonas aeruginosa. / Tertilt, Christine; Joh, Ju; Krause, Anja; Chou, Paigee; Schneeweiss, Kristin; Crystal, Ronald; Worgall, Stefan.

In: Infection and Immunity, Vol. 77, No. 7, 01.07.2009, p. 3044-3055.

Research output: Contribution to journalArticle

Tertilt, Christine ; Joh, Ju ; Krause, Anja ; Chou, Paigee ; Schneeweiss, Kristin ; Crystal, Ronald ; Worgall, Stefan. / Expression of B-cell activating factor enhances protective immunity of a vaccine against Pseudomonas aeruginosa. In: Infection and Immunity. 2009 ; Vol. 77, No. 7. pp. 3044-3055.
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