Article Publish Status: FREE
Abstract Title:

Evaluation of Immune Responses to Group B Streptococcus Type III Oligosaccharides Containing a Minimal Protective Epitope.

Abstract Source:

J Infect Dis. 2020 Mar 2 ;221(6):943-947. PMID: 31641758

Abstract Author(s):

Filippo Carboni, Francesca Angiolini, Monica Fabbrini, Barbara Brogioni, Alessio Corrado, Francesco Berti, Roberto Adamo, Immaculada Margarit

Article Affiliation:

Filippo Carboni


Recent structural studies demonstrated that the epitope recognized by a monoclonal antibody representative of the protective response against the type III group B Streptococcus polysaccharide was comprised within 2 of the repeating units that constitute the full-length native structure. In the current study, we took advantage of this discovery to design a novel vaccine based on multivalent presentation of the identified minimal epitope on a carrier protein. We show that highly glycosylated short oligosaccharide conjugates elicit functional immune responses comparable to those of the full-length native polysaccharide. The obtained results pave the way to the design of well-defined glycoconjugate vaccines based on short synthetic oligosaccharides.

Study Type : In Vitro Study

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Sayer Ji
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