期刊
ANNUAL REVIEW OF PATHOLOGY: MECHANISMS OF DISEASE, VOL 11
卷 11, 期 -, 页码 343-364出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-pathol-012615-044351
关键词
coagulation; agglutination; immune evasion; abscess formation; vaccine
类别
资金
- NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES [R01AI110937, R01AI038897, R01AI052474, R56AI110937] Funding Source: NIH RePORTER
- NIAID NIH HHS [R01 AI052474, R01 AI038897, R56 AI110937, R01 AI110937] Funding Source: Medline
Staphylococcus aureus, a Gram-positive bacterium colonizing nares, skin, and the gastrointestinal tract, frequently invades the skin, soft tissues, and bloodstreams of humans. Even with surgical and antibiotic therapy, bloodstream infections are associated with significant mortality. The secretion of coagulases, proteins that associate with and activate the host hemostatic factor prothrombin, and the bacterial surface display of agglutinins, proteins that bind polymerized fibrin, are key virulence strategies for the pathogenesis of S. aureus bloodstream infections, which culminate in the establishment of abscess lesions. Pathogen-controlled processes, involving a wide spectrum of secreted factors, are responsible for the recruitment and destruction of immune cells, transforming abscess lesions into purulent exudate, with which staphylococci disseminate to produce new infectious lesions or to infect new hosts. Research on S. aureus bloodstream infections is a frontier for the characterization of protective vaccine antigens and the development of immune therapeutics aiming to prevent disease or improve outcomes.
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