Pneumococcal Vaccine with Aluminum Adjuvants
Author Information
Author(s): HogenEsch Harm, Dunham Anisa, Hansen Bethany, Anderson Kathleen, Maisonneuve Jean-Francois, Hem Stanley L
Primary Institution: Purdue University
Hypothesis
The study aims to determine the optimal formulation of a killed whole cell pneumococcal vaccine with aluminum-containing adjuvants for intramuscular injection.
Conclusion
The formulation of the whole killed bacterial cells with aluminum hydroxide resulted in a stable vaccine that induced both antibodies and an IL-17 response.
Supporting Evidence
- All adjuvants enhanced the antibody response over WCA alone.
- The highest concentration of anti-WCA IgG was observed in mice injected with WCA/AP.
- Vaccines formulated with AH induced an IL-17 response.
- The vaccine formulated with AH was stable and retained full immunogenicity when stored at 4°C for 4 months.
Takeaway
Researchers created a new vaccine to protect against a common bacteria that can make people very sick, and found that using a special ingredient helped the body fight it better.
Methodology
Mice were immunized with different formulations of a killed whole cell pneumococcal vaccine combined with various aluminum adjuvants, and their antibody and IL-17 responses were measured.
Limitations
The study primarily involved mice, which may not fully represent human responses.
Participant Demographics
Seven week old female C57BL/6J mice were used in the experiments.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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