The capsule of Porphyromonas gingivalis reduces the immune response of human gingival fibroblasts

Abstract excerpt

BACKGROUND: Periodontitis is a bacterial infection of the periodontal tissues. The Gram-negative anaerobic bacterium Porphyromonas gingivalis is considered a major causative agent. One of the virulence factors of P. gingivalis is capsular polysaccharide (CPS). Non-encapsulated strains have been shown to be less virulent in mouse models than encapsulated strains. RESULTS: To examine the role of the CPS in...

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