Guanylate-binding proteins convert cytosolic bacteria into caspase-4 signaling platforms

MP Wandel, BH Kim, ES Park, KB Boyle, K Nayak… - Nature …, 2020 - nature.com
Bacterial lipopolysaccharide triggers human caspase-4 (murine caspase-11) to cleave
gasdermin-D and induce pyroptotic cell death. How lipopolysaccharide sequestered in the …

Human GBP1 binds LPS to initiate assembly of a caspase-4 activating platform on cytosolic bacteria

JC Santos, D Boucher, LK Schneider… - Nature …, 2020 - nature.com
The human non-canonical inflammasome controls caspase-4 activation and gasdermin-D-
dependent pyroptosis in response to cytosolic bacterial lipopolysaccharide (LPS). Since …

LPS-aggregating proteins GBP1 and GBP2 are each sufficient to enhance caspase-4 activation both in cellulo and in vitro

MS Dickinson, M Kutsch, L Sistemich… - Proceedings of the …, 2023 - National Acad Sciences
The gamma-interferon (IFNγ)-inducible guanylate-binding proteins (GBPs) promote host
defense against gram-negative cytosolic bacteria in part through the induction of an …

Caspase-11 cleaves gasdermin D for non-canonical inflammasome signalling

N Kayagaki, IB Stowe, BL Lee, K O'Rourke… - Nature, 2015 - nature.com
Intracellular lipopolysaccharide from Gram-negative bacteria including Escherichia coli,
Salmonella typhimurium, Shigella flexneri, and Burkholderia thailandensis activates mouse …

Human GBP1 differentially targets Salmonella and Toxoplasma to license recognition of microbial ligands and caspase-mediated death

D Fisch, B Clough, MC Domart, V Encheva, H Bando… - Cell reports, 2020 - cell.com
Interferon-inducible guanylate-binding proteins (GBPs) promote cell-intrinsic defense
through host cell death. GBPs target pathogens and pathogen-containing vacuoles and …

Human GBP 1 is a microbe‐specific gatekeeper of macrophage apoptosis and pyroptosis

D Fisch, H Bando, B Clough, V Hornung… - The EMBO …, 2019 - embopress.org
The guanylate binding protein (GBP) family of interferon‐inducible GTP ases promotes
antimicrobial immunity and cell death. During bacterial infection, multiple mouse Gbps …

Irgm2 and Gate‐16 cooperatively dampen Gram‐negative bacteria‐induced caspase‐11 response

E Eren, R Planès, S Bagayoko, PJ Bordignon… - EMBO …, 2020 - embopress.org
Abstract Inflammatory caspase‐11 (rodent) and caspases‐4/5 (humans) detect the Gram‐
negative bacterial component LPS within the host cell cytosol, promoting activation of the …

Pathogen-selective killing by guanylate-binding proteins as a molecular mechanism leading to inflammasome signaling

S Feng, D Enosi Tuipulotu, A Pandey, W Jing… - Nature …, 2022 - nature.com
Inflammasomes are cytosolic signaling complexes capable of sensing microbial ligands to
trigger inflammation and cell death responses. Here, we show that guanylate-binding …

Guanylate binding proteins promote caspase-11–dependent pyroptosis in response to cytoplasmic LPS

DM Pilla, JA Hagar, AK Haldar… - Proceedings of the …, 2014 - National Acad Sciences
IFN receptor signaling induces cell-autonomous immunity to infections with intracellular
bacterial pathogens. Here, we demonstrate that IFN-inducible guanylate binding protein …

Cleavage of GSDMD by inflammatory caspases determines pyroptotic cell death

J Shi, Y Zhao, K Wang, X Shi, Y Wang, H Huang… - Nature, 2015 - nature.com
Abstract Inflammatory caspases (caspase-1,-4,-5 and-11) are critical for innate defences.
Caspase-1 is activated by ligands of various canonical inflammasomes, and caspase-4,-5 …