Group A Streptococcus encounters with host macrophages.

Abstract:

:Group A Streptococcus (GAS) is a leading human bacterial pathogen with diverse clinical manifestations. Macrophages constitute a critical first line of host defense against GAS infection, using numerous surface and intracellular receptors such as Toll-like receptors and inflammasomes for pathogen recognition and activation of inflammatory signaling pathways. Depending on the intensity of the GAS infection, activation of these signaling cascades may provide a beneficial early alarm for effective immune clearance, or conversely, may cause hyperinflammation and tissue injury during severe invasive infection. Although traditionally considered an extracellular pathogen, GAS can invade and replicate within macrophages using specific molecular mechanisms to resist phagolysosomal and xenophagic killing. Unraveling GAS-macrophage encounters may reveal new treatment options for this leading agent of infection-associated mortality. [Formula: see text].

journal_name

Future Microbiol

journal_title

Future microbiology

authors

Valderrama JA,Nizet V

doi

10.2217/fmb-2017-0142

subject

Has Abstract

pub_date

2018-01-01 00:00:00

pages

119-134

eissn

1746-0913

issn

1746-0921

journal_volume

13

pub_type

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