Development in the Concept of Bacterial Polysaccharide Repeating Unit-Based Antibacterial Conjugate Vaccines

The surface of cells is coated with a dense layer of glycans, known as the cell glycocalyx. The complex glycans in the glycocalyx are involved in various biological events, such as bacterial pathogenesis, protection of bacteria from environmental stresses, etc. Polysaccharides on the bacterial cell...

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Bibliographic Details
Published in:ACS infectious diseases 2023-02, Vol.9 (2), p.178-212
Main Authors: Rohokale, Rajendra, Guo, Zhongwu
Format: Article
Language:English
Subjects:
Antigens
Bacteria
Bacterial Vaccines
Humans
Polysaccharides, Bacterial
Vaccines, Conjugate
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Summary:The surface of cells is coated with a dense layer of glycans, known as the cell glycocalyx. The complex glycans in the glycocalyx are involved in various biological events, such as bacterial pathogenesis, protection of bacteria from environmental stresses, etc. Polysaccharides on the bacterial cell surface are highly conserved and accessible molecules, and thus they are excellent immunological targets. Consequently, bacterial polysaccharides and their repeating units have been extensively studied as antigens for the development of antibacterial vaccines. This Review surveys the recent developments in the synthetic and immunological investigations of bacterial polysaccharide repeating unit-based conjugate vaccines against several human pathogenic bacteria. The major challenges associated with the development of functional carbohydrate-based antibacterial conjugate vaccines are also considered.
ISSN:2373-8227
2373-8227
DOI:10.1021/acsinfecdis.2c00559