Neutrophils induce paracrine telomere dysfunction and senescence in ROS‐dependent manner

A Lagnado, J Leslie, MH RuchaudSparagano… - The EMBO …, 2021 - embopress.org
Cellular senescence is characterized by an irreversible cell cycle arrest as well as a pro‐inflammatory
phenotype, thought to contribute to aging and age‐related diseases. Neutrophils …

[HTML][HTML] Exposure of monocytic cells to lipopolysaccharide induces coordinated endotoxin tolerance, mitochondrial biogenesis, mitophagy, and antioxidant defenses

…, A Pyle, MH Ruchaud-Sparagano… - Frontiers in …, 2018 - frontiersin.org
In order to limit the adverse effects of excessive inflammation, anti-inflammatory responses
are stimulated at an early stage of an infection, but during sepsis these can lead to …

Enteropathogenic Escherichia coli (EPEC) inactivate innate immune responses prior to compromising epithelial barrier function

MH RuchaudSparagano, M Maresca… - Cellular …, 2007 - Wiley Online Library
Enteropathogenic Escherichia coli (EPEC) infection of the human small intestine induces
severe watery diarrhoea linked to a rather weak inflammatory response despite EPEC's in vivo …

Diagnostic accuracy of pulmonary host inflammatory mediators in the exclusion of ventilator-acquired pneumonia

…, S Gossain, K Gould, MH Ruchaud-Sparagano… - Thorax, 2015 - thorax.bmj.com
Background Excessive use of empirical antibiotics is common in critically ill patients. Rapid
biomarker-based exclusion of infection may improve antibiotic stewardship in ventilator-…

[HTML][HTML] Proteasome-independent degradation of canonical NFκB complex components by the NleC protein of pathogenic Escherichia coli

S Mühlen, MH Ruchaud-Sparagano, B Kenny - Journal of Biological …, 2011 - ASBMB
The NFκB transcription factor is a key component of immune and inflammatory signaling as
its activation induces the expression of antimicrobial reagents, chemokines, cytokines, and …

CD66: role in the regulation of neutrophil effector function

SC Stocks, M RuchaudSparagano… - European journal of …, 1996 - Wiley Online Library
Neutrophils express several heavily glycosylated carcinoembryonic antigen (CEA)‐related
glycoproteins (CD66 antigens) which have been implicated in adhesion to E‐selectin and as …

[HTML][HTML] Lipopolysaccharide inhalation recruits monocytes and dendritic cell subsets to the alveolar airspace

…, A Filby, I Forrest, MH Ruchaud-Sparagano… - Nature …, 2019 - nature.com
Mononuclear phagocytes (MPs) including monocytes, macrophages and dendritic cells (DCs)
are critical innate immune effectors and initiators of the adaptive immune response. MPs …

Randomised controlled trial of GM-CSF in critically ill patients with impaired neutrophil phagocytosis

…, AJ Rostron, TP Hellyer, MH Ruchaud-Sparagano… - Thorax, 2018 - thorax.bmj.com
Background Critically ill patients with impaired neutrophil phagocytosis have significantly
increased risk of nosocomial infection. Granulocyte-macrophage colony-stimulating factor (GM-…

[HTML][HTML] C5a impairs phagosomal maturation in the neutrophil through phosphoproteomic remodeling

AJT Wood, AM Vassallo, MH Ruchaud-Sparagano… - JCI insight, 2020 - ncbi.nlm.nih.gov
Critical illness is accompanied by the release of large amounts of the anaphylotoxin, C5a.
C5a suppresses antimicrobial functions of neutrophils which is associated with adverse …

[HTML][HTML] The Enteropathogenic E. coli (EPEC) Tir Effector Inhibits NF-κB Activity by Targeting TNFα Receptor-Associated Factors

MH Ruchaud-Sparagano, S Mühlen, P Dean… - PLoS …, 2011 - journals.plos.org
Enteropathogenic Escherichia coli (EPEC) disease depends on the transfer of effector proteins
into epithelia lining the human small intestine. EPEC E2348/69 has at least 20 effector …