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Evaluation of Host-Pathogen Responses and Vaccine Efficacy in Mice
Published on: February 22, 2019
Mucosal immune responses to pneumococcal polysaccharides: implications for vaccination
G P van den Dobbelsteen1, E P van Rees
1Dept of Cell Biology and Immunology, Faculty of Medicine, Vrije Universiteit, Amsterdam, The Netherlands.
Trends in Microbiology
|April 1, 1995
Summary
Current vaccines struggle to protect vulnerable groups from Streptococcus pneumoniae. Mucosal vaccination, delivered via oral, intratracheal, or intranasal routes, offers a promising alternative by leveraging early-life and elderly immune responses.
Area of Science:
- Immunology
- Vaccinology
- Microbial Pathogenesis
Background:
- Systemic vaccination against Streptococcus pneumoniae is ineffective in infants, the elderly, and immunosuppressed individuals.
- These populations exhibit high susceptibility to pneumococcal infections.
- Mucosal immunity develops early and remains functional in the elderly.
Purpose of the Study:
- To explore mucosal vaccination as a potential alternative strategy for Streptococcus pneumoniae infections.
- To address the limitations of current systemic vaccination approaches.
Main Methods:
- Review of existing literature on mucosal immunity and vaccination routes (oral, intratracheal, intranasal).
- Analysis of immune response development in different age groups and immune statuses.
- Comparison of mucosal versus systemic vaccination efficacy.
Main Results:
- Mucosal immune responses are established early in life.
- Mucosal immunity is preserved in the elderly population.
- Mucosal vaccination routes show potential for inducing protective immunity against Streptococcus pneumoniae.
Conclusions:
- Mucosal vaccination presents a viable alternative to systemic vaccination for Streptococcus pneumoniae.
- Targeting mucosal immunity may overcome the challenges faced in protecting susceptible populations.
- Further research into intranasal, oral, and intratracheal vaccination strategies is warranted.
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