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and the Complement System: A Review of the Evasion Strategies

Overview
Journal Microorganisms
Specialty Microbiology
Date 2023 Mar 29
PMID 36985237
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Abstract

The increasing emergence of multidrug resistant isolates of causes major problems in hospitals worldwide. This concern is particularly significant in bloodstream infections that progress rapidly, with a high number of deaths within the first hours and without time to select the most appropriate treatment. In fact, despite improvements in antimicrobial therapy and hospital care, bacteremia remains fatal in about 30% of cases. The complement system is a main defensive mechanism in blood against this pathogen. This system can mark bacteria for phagocytosis or directly lyse it via the insertion of a membrane attack complex in the bacterial membrane. exploits different strategies to resist complement attack. In this review for the special issue on "bacterial pathogens associated with bacteriemia", we present an overview of the interactions between and the complement components and strategies used by this pathogen to prevent recognition and killing by the complement system. A thorough understanding of these interactions will be critical in order to develop drugs to counteract bacterial evasion mechanisms.

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