Protection against pulmonary infection with Pseudomonas aeruginosa following immunization with P. aeruginosa-pulsed dendritic cells

S. Worgall, T. Kikuchi, R. Singh, K. Martushova, L. Lande, Ronald Crystal

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

To develop a Pseudomonas aeruginosa vaccine that allows the host immune system to select the antigens, we hypothesized that dendritic cells (DC) pulsed with P. aeruginosa would induce protective immunity against pulmonary infections with P. aeruginosa. Incubation of murine bone marrow-derived DC with P. aeruginosa in vitro led to uptake of P. aeruginosa and activation of the DC. Spleen-derived CD4+ cells from mice immunized with P. aeruginosa-pulsed DC showed increased proliferation, demonstrating that DC pulsed with P. aeruginosa were capable of eliciting a P. aeruginosa-specific immune response. To evaluate if P. aeruginosa-pulsed DC can induce protective immunity against P. aeruginosa pulmonary infection, DC incubated with P. aeruginosa in vitro were administered systemically to syngeneic mice, and the mice were then challenged by intrapulmonary infection with P. aeruginosa (5 × 104 CFU/mouse) 13 days later. Unimmunized control mice and mice who had previously received naive DC or DC stimulated with lipopolysaccharide or Escherichia coli died within 72 h. In contrast, 45% of mice receiving P. aeruginosa-pulsed DC demonstrated prolonged survival (> 14 days). Finally, DC-pulsed with heat-inactivated P. aeruginosa protected CD8-/- but not CD4-/- mice, demonstrating that CD4+ T cells were required for the DC pulsed with P. aeruginosa to induce protective immunity.

Original languageEnglish
Pages (from-to)4521-4527
Number of pages7
JournalInfection and Immunity
Volume69
Issue number7
DOIs
Publication statusPublished - 5 Jul 2001
Externally publishedYes

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Dendritic Cells
Pseudomonas aeruginosa
Immunization
Lung
Infection
Immunity
Pseudomonas Vaccines
Lipopolysaccharides
Immune System
Spleen
Hot Temperature
Bone Marrow

ASJC Scopus subject areas

  • Parasitology
  • Microbiology
  • Immunology
  • Infectious Diseases

Cite this

Protection against pulmonary infection with Pseudomonas aeruginosa following immunization with P. aeruginosa-pulsed dendritic cells. / Worgall, S.; Kikuchi, T.; Singh, R.; Martushova, K.; Lande, L.; Crystal, Ronald.

In: Infection and Immunity, Vol. 69, No. 7, 05.07.2001, p. 4521-4527.

Research output: Contribution to journalArticle

Worgall, S. ; Kikuchi, T. ; Singh, R. ; Martushova, K. ; Lande, L. ; Crystal, Ronald. / Protection against pulmonary infection with Pseudomonas aeruginosa following immunization with P. aeruginosa-pulsed dendritic cells. In: Infection and Immunity. 2001 ; Vol. 69, No. 7. pp. 4521-4527.
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