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Target intelligence / Profile preview
Group B Streptococcus Capsular Polysaccharide Antigen (GBS CPS Antigen)
- Target
- GBS CPS Antigen
- Molecular classification
- Polysaccharide, Capsular Polysaccharide, Antigen
01
Overview
The Group B Streptococcus capsular polysaccharide antigen is an essential virulence determinant composed of diverse carbohydrate structures capped with sialic acids. It enables immune evasion through molecular mimicry while serving as both an epidemiological marker (serotyping) and primary target for vaccine development due to its surface exposure and ability to elicit protective antibody responses when presented appropriately to the immune system.
- Other names
- Streptococcus agalactiae capsular polysaccharideGBS Capsular PolysaccharideCPSGroup B Strep CPSGBS Polysaccharide
02
Mechanism of action
Induction of neutralizing antibodies, opsonization, complement activation, antibody-dependent cell-mediated cytotoxicity (ADCC)
03
Biological functions
Immune evasionBacterial protectionVirulence factorAdhesion
04
Disease associations
Group B Streptococcus infectionNeonatal sepsisMeningitisPneumoniaInvasive GBS disease
05
Safety considerations
Potential for serotype replacementNeed for multivalent vaccinesImmune response variabilityAdverse reactions to vaccine components
06
Interacting drugs
GBS vaccines (in development)
1 more in the full profile.
07
Biomarkers
GBS CPS serotype (for vaccine design)Anti-GBS CPS antibody titers (for vaccine efficacy)Sialic acid content
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