Target intelligence / Profile preview

Neisseria meningitidis capsular polysaccharide X (None)

Target
None
Molecular classification
Polysaccharide, Capsular Polysaccharide
01

Overview

Neisseria meningitidis capsular polysaccharide X (MenX CPS) is a surface-expressed carbohydrate polymer that forms the capsule of N. meningitidis serogroup X strains. The capsule is the main virulence determinant for this bacterium, enabling it to evade host immune responses and cause invasive diseases such as septicemia and meningitis. It is composed of repeating units of (α-1→4)-linked N-acetylglucosamine 1-phosphate. Antibodies targeting MenX CPS can confer protection against disease; thus, this molecule serves as both a virulence factor and an important vaccine target.

Other names
MenX CPSSerogroup X capsular polysaccharide
02

Mechanism of action

Antibodies targeting MenX CPS confer protection against disease by promoting opsonization and complement-mediated killing.

03

Biological functions

Evasion of host immunityResistance to complement-mediated killingInhibition of phagocytosisVirulence factor
04

Disease associations

InfectionMeningitisSepticemia

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