A unique bacterial tactic to circumvent the cell death crosstalk induced by blockade of caspase‐8

H Ashida, C Sasakawa, T Suzuki - The EMBO journal, 2020 - embopress.org
Upon invasive bacterial infection of colonic epithelium, host cells induce several types of cell
death to eliminate pathogens. For instance, necroptosis is a RIPK‐dependent lytic cell death …

The Shigella OspC3 effector inhibits caspase-4, antagonizes inflammatory cell death, and promotes epithelial infection

T Kobayashi, M Ogawa, T Sanada, H Mimuro, M Kim… - Cell host & …, 2013 - cell.com
Caspase-mediated inflammatory cell death acts as an intrinsic defense mechanism against
infection. Bacterial pathogens deploy countermeasures against inflammatory cell death, but …

Intestinal epithelial Caspase-8 signaling is essential to prevent necroptosis during Salmonella Typhimurium induced enteritis

M Hefele, I Stolzer, B Ruder, GW He… - Mucosal …, 2018 - nature.com
Although induction of host cell death is a pivotal step during bacteria-induced gastroenteritis,
the molecular regulation remains to be fully characterized. To expand our knowledge, we …

Shigella infection and host cell death: a double-edged sword for the host and pathogen survival

H Ashida, T Suzuki, C Sasakawa - Current Opinion in Microbiology, 2021 - Elsevier
Highlights•Host cell death is an immune defense against bacterial infection.•Shigella
circumvents epithelial cell death to maintain its replicative niche.•Shigella utilizes specific …

Cytosolic Gram-negative bacteria prevent apoptosis by inhibition of effector caspases through lipopolysaccharide

SD Günther, M Fritsch, JM Seeger, LM Schiffmann… - Nature …, 2020 - nature.com
The cytosolic appearance and propagation of bacteria cause overwhelming cellular stress
responses that induce apoptosis under normal conditions. Therefore, successful bacterial …

Shigella IpaH9.8 limits GBP1-dependent LPS release from intracytosolic bacteria to suppress caspase-4 activation

L Goers, K Kim, TC Stedman… - Proceedings of the …, 2023 - National Acad Sciences
Pyroptosis is an inflammatory form of cell death induced upon recognition of invading
microbes. During an infection, pyroptosis is enhanced in interferon-gamma-exposed cells …

Flexible usage and interconnectivity of diverse cell death pathways protect against intracellular infection

M Doerflinger, Y Deng, P Whitney, R Salvamoser… - Immunity, 2020 - cell.com
Programmed cell death contributes to host defense against pathogens. To investigate the
relative importance of pyroptosis, necroptosis, and apoptosis during Salmonella infection …

Shigella OspC3 suppresses murine cytosolic LPS sensing

C Oh, A Verma, M Hafeez, B Hogland, Y Aachoui - IScience, 2021 - cell.com
Shigella flexneri, a cytosol-invasive gram-negative pathogen, deploys an array of type III-
secreted effector proteins to evade host cell defenses. Caspase-11 and its human ortholog …

A hierarchy of cell death pathways confers layered resistance to shigellosis in mice

JL Roncaioli, JP Babirye, RA Chavez, FL Liu… - Elife, 2023 - elifesciences.org
Bacteria of the genus Shigella cause shigellosis, a severe gastrointestinal disease driven by
bacterial colonization of colonic intestinal epithelial cells. Vertebrates have evolved …

EspL is a bacterial cysteine protease effector that cleaves RHIM proteins to block necroptosis and inflammation

JS Pearson, C Giogha, S Mühlen, U Nachbur… - Nature …, 2017 - nature.com
Cell death signalling pathways contribute to tissue homeostasis and provide innate
protection from infection. Adaptor proteins such as receptor-interacting serine/threonine …