4.8 Review

Recent progress in pneumococcal protein vaccines

Journal

FRONTIERS IN IMMUNOLOGY
Volume 14, Issue -, Pages -

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2023.1278346

Keywords

Streptococcus pneumoniae; Pneumococcal protein vaccine; pneumolysin; pneumococcal surface proteins; pneumococcal histidine triad proteins

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This review provides an overview of the advancements made in the development of protein-based pneumococcal vaccines. The key protein vaccine candidates and their vaccination results in animal studies are discussed, as well as the challenges and future directions in protein-based pneumococcal vaccine.
Pneumococcal infections continue to pose a significant global health concern, necessitating the development of effective vaccines. Despite the progress shown by pneumococcal polysaccharide and conjugate vaccines, their limited coverage and the emergence of non-vaccine serotypes have highlighted the need for alternative approaches. Protein-based pneumococcal vaccines, targeting conserved surface proteins of Streptococcus pneumoniae, have emerged as a promising strategy. In this review, we provide an overview of the advancements made in the development of pneumococcal protein vaccines. We discuss the key protein vaccine candidates, highlight their vaccination results in animal studies, and explore the challenges and future directions in protein-based pneumococcal vaccine.

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