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Role of Streptococcus pneumoniae Proteins in Evasion of Complement-Mediated Immunity.


ABSTRACT: The complement system plays a central role in immune defense against Streptococcus pneumoniae. In order to evade complement attack, pneumococci have evolved a number of mechanisms that limit complement mediated opsonization and subsequent phagocytosis. This review focuses on the strategies employed by pneumococci to circumvent complement mediated immunity, both in vitro and in vivo. At last, since many of the proteins involved in interactions with complement components are vaccine candidates in different stages of validation, we explore the use of these antigens alone or in combination, as potential vaccine approaches that aim at elimination or drastic reduction in the ability of this bacterium to evade complement.

SUBMITTER: Andre GO 

PROVIDER: S-EPMC5316553 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Role of <i>Streptococcus pneumoniae</i> Proteins in Evasion of Complement-Mediated Immunity.

Andre Greiciely O GO   Converso Thiago R TR   Politano Walter R WR   Ferraz Lucio F C LF   Ribeiro Marcelo L ML   Leite Luciana C C LC   Darrieux Michelle M  

Frontiers in microbiology 20170220


The complement system plays a central role in immune defense against <i>Streptococcus pneumoniae</i>. In order to evade complement attack, pneumococci have evolved a number of mechanisms that limit complement mediated opsonization and subsequent phagocytosis. This review focuses on the strategies employed by pneumococci to circumvent complement mediated immunity, both <i>in vitro</i> and <i>in vivo</i>. At last, since many of the proteins involved in interactions with complement components are v  ...[more]

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