Concept

Inflammasome

Publications associées (27)

Single-cell analysis of the interactions between Mycobacterium tuberculosis and macrophages

Mycobacterium Tuberculosis is a highly effective pathogen infecting nearly a third of the world's population. An M. tuberculosis infection starts when droplets containing bacteria enter an individual's lungs. The first host cells to contact the bacteria ar ...

EPFL2024

Human alveolar lining fl uid from the elderly promotes Mycobacterium tuberculosis intracellular growth and translocation into the cytosol of alveolar epithelial cells

Vivek Vijay Thacker, Richa Mishra

The elderly population is highly susceptible to developing respiratory diseases, including tuberculosis, a devastating disease caused by the airborne pathogen Mycobacterium tuberculosis ( M.tb ) that kills one person every 18 seconds. Once M.tb reaches the ...

Elsevier Science Inc2024

The CRL5-SPSB3 ubiquitin ligase targets nuclear cGAS for degradation

Andrea Ablasser, Jonathan Jean-Pierre Ricci, Baptiste Claude André Guey, Chong Liu, Pengbiao Xu, Ying Liu, Lingyun Li, Pauline Ambre Melenec

Cyclic GMP-AMP synthase (cGAS) senses aberrant DNA during infection, cancer and inflammatory disease, and initiates potent innate immune responses through the synthesis of 2 ' 3 '-cyclic GMP-AMP (cGAMP)1-7. The indiscriminate activity of cGAS towards DNA d ...

Nature Portfolio2024

Exploring the role of cGAS-STING-mediated inflammation in age-associated neurodegeneration and antitumor immunity

Natasha Ella Samson

Inflammation stands as a dynamic and intricate biological process, promoting vital defence mechanisms against harmful stimuli, including infections and injuries, to drive pathogen clearance and healing. On one hand, these responses can manifest acutely and ...

EPFL2024

Nanoscale organization of the endogenous ASC speck

Suliana Manley, Christian Sieben

The NLRP3 inflammasome is a central component of the innate immune system. Its activation leads to for-mation of the ASC speck, a supramolecular assembly of the inflammasome adaptor protein ASC. Different models, based on ASC overexpression, have been prop ...

Cell Press2023

Caspase-9-mediated cleavage of vimentin attenuates the aggressiveness of leukemic NB4 cells

Cyrus Kazemiraad

Vimentin is a main type 3 intermediate filament protein. It seems that abnormal expression of vimentin is contributed to the appearance of the aggressive feature of cancer cells. So that it has been reported that malignancy and epithelial-mesenchymal trans ...

SPRINGER2023

Type I IFNs link skin-associated dysbiotic commensal bacteria to pathogenic inflammation and angiogenesis in rosacea

Alessio Mylonas

Rosacea is a common chronic inflammatory skin disease with a fluctuating course of excessive inflammation and apparent neovascularization. Microbial dysbiosis with a high density of Bacillus oleronius and increased activity of kallikrein 5, which cleaves c ...

AMER SOC CLINICAL INVESTIGATION INC2023

Prevention of the foreign body response to implantable medical devices by inflammasome inhibition

Stéphanie Lacour

Fibrotic scarring secondary to the foreign body reaction (FBR) generates a physical barrier obstructing the functional interaction of implantable medical devices with the host tissue. The mechanistic basis of the FBR is poorly understood, restricting the c ...

National Academy of Sciences2022

Characterization of Pseudomonas aeruginosa mechanosensing through label-free imaging of type IV pili

Lorenzo Anton-Louis Talà

Bacteria are ubiquitously found in all sorts of environment. They're found in the ocean, soil, or even in our guts or on our skin. Independently of their niche, they can transition from a planktonic state were they freely swim in an aqueous environment to ...

EPFL2022

Identification of genes required for host-cell adhesion and antibiotic persistence of uropathogenic Escherichia coli via high-content screening

Thomas Marie Simonet

Uropathogenic Escherichia coli (UPEC) are the most common bacterial pathogens causing urinary tract infections (UTIs). Driven by the development of antibiotic resistant UPEC strains, UTIs have become a major public health issue and generate substantial hea ...

EPFL2022

A Manganese Phosphate Nanocluster Activates the cGAS‐STING Pathway for Enhanced Cancer Immunotherapy

Li Tang, Yugang Guo, Armand Kurum, Kewen Lei, Yuqing Xie, Min Gao, Yu Zhao, Xiaomeng Hu

Targeting the stimulator of interferon genes (STING) pathway with cyclic dinucleotides (CDNs), the natural STING agonists, is a promising immunotherapeutic strategy for cancer. However, the clinical application of natural CDNs as therapeutics is greatly hi ...

2021

Boosted Pro-Inflammatory Activity in Human PBMCs by Lipopolysaccharide and SARS-CoV-2 Spike Protein Is Regulated by alpha-1 Antitrypsin

Florian Maria Wurm, Divor Kiseljak

For the treatment of severe COVID-19, supplementation with human plasma-purified alpha-1 antitrypsin (AAT) to patients is currently considered. AAT inhibits host proteases that facilitate viral entry and possesses broad anti-inflammatory and immunomodulato ...

MDPI2021

The role of immune effectors in controlling Drosophila-microbes interactions

Alice Marra

All live beings are in constant interaction with microorganisms that may be beneficial, deleterious or commensal. Insects in particular live in close contact with microorganisms. This is especially true for species, like the fruit fly Drosophila melanogast ...

EPFL2021

Wdr1 and cofilin are necessary mediators of immune-cell-specific apoptosis triggered by Tecfidera

Yimon Aye, Jesse Poganik, Kuan-Ting Huang, Yi Zhao, Sruthi Raja

The mechanism-of-action of many electrohilic drugs remains poorly understood. Here, the authors use a redox-targeting approach to elucidate the basis for the innate immune cell toxicity of dimethyl fumarate, showing that it modifies Keap1 to trigger mitoch ...

Nature Portfolio2021

Cell-autonomous inflammation of BRCA1-deficient ovarian cancers drives both tumor-intrinsic immunoreactivity and immune resistance via STING

George Coukos, Christian Iseli, Alexandre Harari, Alizée Jéléna Grimm, Julien Dorier, Mauro Delorenzi

In this study, we investigate mechanisms leading to inflammation and immunoreactivity in ovarian tumors with homologous recombination deficiency (HRD). BRCA1 loss is found to lead to transcriptional reprogramming in tumor cells and cell-intrinsic inflammat ...

2021

New Evidence for Ag-Sputtered Materials Inactivating Bacteria by Surface Contact without the Release of Ag Ions: End of a Long Controversy?

Juan Kiwi, Sami Rtimi

The study provides new evidence for Ag-coated polyester (PES) mediating Escherichia colt inactivation by way of genetically engineered E. coli (without porins, from now denoted porinless bacteria). This allows the quantification of the bactericidal kinetic ...

AMER CHEMICAL SOC2020

Intracellular bacteria engage a STING-TBK1-MVB12b pathway to enable paracrine cGAS-STING signalling

Andrea Ablasser, Bing Zhang, Thomas Charles Henry Rossi

The innate immune system is crucial for eventual control of infections, but may also contribute to pathology. Listeria monocytogenes is an intracellular Gram-positive bacteria and a major cause of food-borne disease. However, important knowledge on the int ...

NATURE PUBLISHING GROUP2019

Functional characterization of the virulence determinant ESX-1 from Mycobacterium tuberculosis

Paloma Julia Soler Arnedo

Tuberculosis (TB) is a chronic infectious disease that mainly affects the lungs and causes extensive human morbidity and mortality. It results from infection with Mycobacterium tuberculosis, a slow-growing intracellular pathogen that can replicate and surv ...

EPFL2018

Characterization of a B16-F10 melanoma model locally implanted into the ear pinnae of C57BL/6 mice

Esra Güç

The common experimental use of B16-F10 melanoma cells focuses on exploring their metastatic potential following intravenous injection into mice. In this study, B16-F10 cells are used to develop a primary tumor model by implanting them directly into the ear ...

2018

Association of brain amyloidosis with pro-inflammatory gut bacterial taxa and peripheral inflammation markers in cognitively impaired elderly

Tristan Bolmont, Taoufiq Harach

The pathway leading from amyloid-b deposition to cognitive impairment is believed to be a cornerstone of the pathogenesis of Alzheimer's disease (AD). However, what drives amyloid buildup in sporadic nongenetic cases of AD is still unknown. AD brains featu ...

Elsevier Science Inc2017