Publications associées à Granulocyte éosinophile

Non-invasive investigation of the morphology and optical properties of the upside-down jellyfish Cassiopea with optical coherence tomography

Anders Meibom, Niclas Heidelberg Lyndby, Sandrine Denise Françoise Bessette, Michael Kühl

The jellyfish Cassiopea largely cover their carbon demand via photosynthates produced by microalgal endosymbionts, but how holobiont morphology and tissue optical properties affect the light microclimate and symbiont photosynthesis in Cassiopea remain unex ...

ROYAL SOC2023

Novel quantitative bioengineered tools to track human bone marrow niche cellular constituents in health and disease

Rita Sarkis

Acute leukemia has a high mortality rate of approximately 50%, and current methods are not effective in predicting disease progression and relapse. To improve our understanding of hematopoiesis and develop new markers for predicting disease relapse in dead ...

EPFL2023

The role of eosinophils in breast cancer

Luisa Spisak

Eosinophils are granulocytes and belong to the innate arm of immunity. Eosinophils can be in different basal or activation states and depending on which type of activation is applied, they exert different effector functions. These multi-functional cells ha ...

EPFL2022

Eosinophils regulate adipose tissue inflammation and sustain physical and immunological fitness in old age

Johan Auwerx, Norman Lionel Moullan

Adipose tissue eosinophils (ATEs) are important in the control of obesity-associated inflammation and metabolic disease. However, the way in which ageing impacts the regulatory role of ATEs remains unknown. Here, we show that ATEs undergo major age-related ...

2020

The emerging roles of eosinophils in mucosal homeostasis

Nicola Harris, Kathleen Shah

Eosinophils are granulocytes, typically implicated as end-stage effector cells in type-II immune responses. They are capable of producing a wide array of pre-formed molecules which render them with vast potential to influence a wide variety of processes. N ...

NATURE PUBLISHING GROUP2020

The Transcription Factor Nfix Requires RhoA-ROCK1 Dependent Phagocytosis to Mediate Macrophage Skewing during Skeletal Muscle Regeneration

Giuliana Rossi

Macrophages (MPs) are immune cells which are crucial for tissue repair. In skeletal muscle regeneration, pro-inflammatory cells first infiltrate to promote myogenic cell proliferation, then they switch into an anti-inflammatory phenotype to sustain myogeni ...

2020

HIV-1 Vpu is a potent transcriptional suppressor of NF-κB-elicited antiviral immune responses

Jacques Fellay, Christian Hammer, Daniel Sauter

Many viral pathogens target innate sensing cascades and/or cellular transcription factors to suppress antiviral immune responses. Here, we show that the accessory viral protein U (Vpu) of HIV-1 exerts broad immunosuppressive effects by inhibiting activatio ...

2019

An Exploratory Study On The Functional Significance Of Eosinophil Residency In The Small Intestine Under Homeostatic Conditions

Kathleen Shah

The small intestine is a highly dynamic and complex cellular ecosystem, which serves as the primary interface between the host and its environment. A critical component of this ecosystem is the microbiota, which plays a pivotal role in shaping both immune ...

EPFL2018

Lymphotoxin-Dependent B Cell-FRC Crosstalk Promotes De Novo Follicle Formation and Antibody Production following Intestinal Helminth Infection

Nicola Harris, Ilaria Mosconi, Lalit Kumar Dubey, Luc Xavier Marie Lebon

Secondary lymphoid tissues provide specialized niches for the initiation of adaptive immune responses and undergo a remarkable expansion in response to inflammatory stimuli. Although the formation of B cell follicles was previously thought to be restricted ...

Elsevier2016

Treatment with the GPR55 antagonist CID16020046 increases neutrophil activation in mouse atherogenesis

Nikolaos Stergiopoulos

Endocannabinoids modulate atherogenesis by triggering different receptors. Recently, orphan G protein-coupled receptors (GPRs) were suggested to be activated by endocannabinoids, possibly regulating vasorelaxation. Here, we investigated whether GPR55 antag ...

Schattauer Gmbh-Verlag Medizin Naturwissenschaften2016

The Intestinal Microbiota Contributes to the Ability of Helminths to Modulate Allergic Inflammation

Jacques Rougemont, Laure Menin, Nicola Harris, Mario Michael Zaiss, Ilaria Mosconi, Alessandra Piersigilli, Benjamin John Marsland, Lalit Kumar Dubey, Alexis Rapin, Luc Xavier Marie Lebon, Andrew J. Macpherson

Intestinal helminths are potent regulators of their host's immune system and can ameliorate inflammatory diseases such as allergic asthma. In the present study we have assessed whether this anti-inflammatory activity was purely intrinsic to helminths, or w ...

Elsevier2015

Antibody-Mediated Trapping of Helminth Larvae Requires CD11b and Fc gamma Receptor I

Arne Seitz, Romain Guiet, Duncan-Bruce Sutherland, Nicola Harris, Benjamin John Marsland, Beatrice Volpe, Julia Esser-von Bieren, Manuel Kulagin

Infections with intestinal helminths severely impact on human and veterinary health, particularly through the damage that these large parasites inflict when migrating through host tissues. Host immunity often targets the motility of tissue-migrating helmin ...

American Association of Immunologists ; Oxford University Press2015

Gut Reactions: Eosinophils Add another String to Their Bow

Duncan-Bruce Sutherland

Eosinophils are found in abundance in the gut. In this issue of Immunity, Chu et al. (2014) report that eosinophil-deficient mice have impaired intestinal immunoglobulin A production, accompanied by a disrupted mucosal layer and alterations in microbiota d ...

Cell Press2014

Antibodies Trap Tissue Migrating Helminth Larvae and Prevent Tissue Damage by Driving IL-4Rα-Independent Alternative Differentiation of Macrophages

Arne Seitz, Romain Guiet, Nicola Harris, Beatrice Volpe, Alessandra Piersigilli, Julia Esser-von Bieren, Ilaria Mosconi, Fei Chen

Approximately one-third of the world's population suffers from chronic helminth infections with no effective vaccines currently available. Antibodies and alternatively activated macrophages (AAM) form crucial components of protective immunity against chall ...

Public Library of Science2013

Antibodies and IL-3 support helminth-induced basophil expansion

Nicola Harris, Mario Michael Zaiss, Julia Esser-von Bieren, Manuel Kulagin, Tina Herbst

Basophils are powerful mediators of Th2 immunity and are present in increased numbers during allergic inflammation and helminth infection. Despite their ability to potentiate Th2 immunity the mechanisms regulating basophil development remain largely unknow ...

National Academy of Sciences2012

Immune Engineering Via Differential Antigen Carriers and Co-Stimulatory Molecules

Jackson Eby

There is an increasing clinical need for vaccines capable of enhancing antigen-specific immune responses and treatments that can induce immunological tolerance toward a single antigen. Here we explore two platforms to enhance either immunization or toleriz ...

EPFL2012

Differential Expression of NLRP3 among Hematopoietic Cells

Manuel Raphael Zenger

Although the importance of the NOD-like receptor family, pyrin domain containing 3 (NLRP3) inflammasome in health and disease is well appreciated, a precise characterization of NLRP3 expression is yet undetermined. To this purpose, we generated a knock-in ...

American Association of Immunologists ; Oxford University Press2011

Macrophage skewing by Phd2 haplodeficiency prevents ischaemia by inducing arteriogenesis

Michele De Palma, Mario Leonardo Squadrito, Francine Jordan

PHD2 serves as an oxygen sensor that rescues blood supply by regulating vessel formation and shape in case of oxygen shortage. However, it is unknown whether PHD2 can influence arteriogenesis. Here we studied the role of PHD2 in collateral artery growth by ...

2011