Publications associées à T cell deficiency

Blunted Glucocorticoid Responsiveness to Stress Causes Behavioral and Biological Alterations That Lead to Posttraumatic Stress Disorder Vulnerability

Maria del Carmen Sandi Perez, Jocelin Grosse, Olivia Zanoletti, Simone Astori, Marie-Isabelle Guillot de Suduiraut, Sophie Elizabeth Walker, Silvia Monari

Background: Understanding why only a subset of trauma-exposed individuals develop posttraumatic stress disorder is critical for advancing clinical strategies. A few behavioral (deficits in fear extinction) and biological (blunted glucocorticoid levels, sma ...

2023

How to: Diagnose inborn errors of intrinsic and innate immunity to viral, bacterial, mycobacterial, and fungal infections

Alessandro Borghesi

Background: Inborn errors of intrinsic and innate immunity constitute the focus of a growing research field that investigates the molecular mechanisms underlying susceptibility to infections previously not considered part of the spectrum of inborn errors o ...

ELSEVIER SCI LTD2022

Biallelic mutations in calcium release activated channel regulator 2A (CRACR2A) cause a primary immunodeficiency disorder

Dylan Lawless, Beibei Wu

CRAC channel regulator 2 A (CRACR2A) is a large Rab GTPase that is expressed abundantly in T cells and acts as a signal transmitter between T cell receptor stimulation and activation of the Ca2+-NFAT and JNK-AP1 pathways. CRACR2A has been linked to human d ...

eLIFE SCIENCES PUBL LTD2021

Predicting the Occurrence of Variants in RAG1 and RAG2

Jacques Fellay, Flavia Aurelia Shoko Hodel, Dylan Lawless

While widespread genome sequencing ushers in a new era of preventive medicine, the tools for predictive genomics are still lacking. Time and resource limitations mean that human diseases remain uncharacterized because of an inability to predict clinically ...

2019

Measurement of Mitochondrial Mass and Membrane Potential in Hematopoietic Stem Cells and T-cells by Flow Cytometry

Olaia Maria Naveiras Torres-Quiroga, Mukul Girotra, George Coukos, Nicola Vannini, Alexandre Harari

A fine balance of quiescence, self-renewal, and differentiation is key to preserve the hematopoietic stem cell (HSC) pool and maintain lifelong production of all mature blood cells. In recent years cellular metabolism has emerged as a crucial regulator of ...

2019

Absence of specific alternatively spliced exon of CD44 in macrophages prevents colitis

Ulrich Hoffmann, Riccardo Sabatini

CD44 is a transmembrane molecule appearing in numerous isoforms generated by insertions of alternatively spliced variant exons (CD44v) and having various binding partners. CD44v7 on T cells was proposed to promote colitis by preventing T-cell apoptosis. He ...

NATURE PUBLISHING GROUP2018

Glucocorticoid deficiency causes transcriptional and post-transcriptional reprogramming of glutamine metabolism

Benjamin Dieter Weger, Meltem Weger

Background: Deficient glucocorticoid biosynthesis leading to adrenal insufficiency is life-threatening and is associated with significant co-morbidities. The affected pathways underlying the pathophysiology of co-morbidities due to glucocorticoid deficienc ...

2018

Extensive Regulation of Diurnal Transcription and Metabolism by Glucocorticoids

Cédric Gobet, Meltem Weger, Frédéric Bruno Martin Gachon, Benjamin Dieter Weger

Altered daily patterns of hormone action are suspected to contribute to metabolic disease. It is poorly understood how the adrenal glucocorticoid hormones contribute to the coordination of daily global patterns of transcription and metabolism. Here, we exa ...

Public Library Science2016

Exome Sequencing Reveals Primary Immunodeficiencies in Children with Community-Acquired Pseudomonas aeruginosa Sepsis

Jacques Fellay, Istvan Bartha, Samira Asgari, Christoph Berger, Paul Jack Mc Laren, Richard Wong

One out of three pediatric sepsis deaths in high income countries occur in previously healthy children. Primary immunodeficiencies (PIDs) have been postulated to underlie fulminant sepsis, but this concept remains to be confirmed in clinical practice. Pseu ...

Frontiers Media Sa2016

New immunomodulatory roles of lymphatic endothelium and implications for immunotherapy

Efthymia Vokali

The lymphatic system serves a critical role in fluid homeostasis, lipid metabolism and immune surveillance. The growing appreciation of its implication in various diseases challenges the conventional view of lymphatics as a passive transport system. Tradit ...

EPFL2016

Mechanisms of tolerance induction by erythrocyte-targeted antigens

Alizée Jéléna Grimm

Immune-mediated disorders such as autoimmune diseases, graft-versus-host disease or allergies, are a major contemporary burden. Despite significant advances in the field of immunological tolerance, immunosuppressive drugs are still the current hallmark for ...

EPFL2016

Dicer1 imparts essential survival cues in Notch-driven T-ALL via miR-21-mediated tumor suppressor Pdcd4 repression

Freddy Radtke, Ute Koch, Fabian Junker, Antoine Matthieu Chabloz

The modulatory function of individual microRNAs (miRNAs) in Notch-driven T-cell acute lymphoblastic leukemias (T-ALLs) has recently been established. Although protumorigenic and tumor-suppressive miRNAs are implicated in disease onset in murine models of N ...

American Society of Hematology2015

Microbiota-Induced Changes in Drosophila melanogaster Host Gene Expression and Gut Morphology

Bruno Lemaitre, Nichole Broderick

To elucidate mechanisms underlying the complex relationships between a host and its microbiota, we used the genetically tractable model Drosophila melanogaster. Consistent with previous studies, the microbiota was simple in composition and diversity. Howev ...

American Society for Microbiology2014

Steady-State Antigen Scavenging, Cross-Presentation, and CD8(+) T Cell Priming: A New Role for Lymphatic Endothelial Cells

Melody Swartz, Marcela Rincón-Restrepo, Efthymia Vokali, Sachiko Hirosue, Amanda Waite Lund, Patricia Corthésy Henrioud, Vidya Raghavan

Until recently, the known roles of lymphatic endothelial cells (LECs) in immune modulation were limited to directing immune cell trafficking and passively transporting peripheral Ags to lymph nodes. Recent studies demonstrated that LECs can directly suppre ...

American Association of Immunologists ; Oxford University Press2014

MicroRNA 21 is a novel oncogene in Notch1-driven acute lymphoblastic T cell leukemia

Fabian Junker

Notch signaling is a conserved cell-to-cell communication pathway essential in the development and maintenance of various tissues. Upon ligand binding, Notch receptors on the cell surface are proteolytically cleaved, generating the intracellular domain of ...

EPFL2014

TLR4- and TRIF-dependent stimulation of B lymphocytes by peptide liposomes enables T cell-independent isotype switch in mice

Pedro Miguel Nunes Pereira de Almeida Reis, Andrea Pfeifer, Marija Vukicevic, Andreas Muhs, Valérie Gafner, Anna Lucia Buccarello

Immunoglobulin class switching from IgM to IgG in response to peptides is generally T cell-dependent and vaccination in T cell-deficient individuals is inefficient. We show that a vaccine consisting of a dense array of peptides on liposomes induced peptide ...

Amer Soc Hematology2013

Activation of a glioma-specific immune response by oncolytic parvovirus Minute Virus of Mice infection

Ute Koch

Rodent autonomous parvoviruses (PVs) are endowed with oncotropic properties and represent virotherapeutics with inherent oncolytic features. This work aimed to evaluate the capacity of Minute Virus of Mice (MVMp) to act as an adjuvant stimulating a mouse g ...

2012

Hyperbranched Polylysine: A Versatile, Biodegradable Transfection Agent for the Production of Recombinant Proteins by Transient Gene Expression and the Transfection of Primary Cells

Harm-Anton Klok, Florian Maria Wurm, Lucia Baldi Unser, David Hacker, Zuzana Kadlecova, Yashas Rajendra

The feasibility of a new transfection agent, HBPL, for the production of recombinant IgG antibody via TGE as well as for the transfection of primary cells is studied. Under the conditions investigated, transfection of CHO-DG44 cells using HBPL results in I ...

2012

Cell viability assessment by flow cytometry using yeast as cell model

Philippe Renaud, Nina Buffi, Niccolo Piacentini, Raphaël Tornay

This paper reports the new combination of cell sorting and counting capabilities on a single device. Most state-of-the-art devices combining these technologies use optical techniques requiring complicated experimental setups and labeled samples. The use of ...

2011

The Cell Differentiation Status Influences the Outcome of Notch-Induced Malignancy

Caroline Poisson

The Notch signaling cascade is a well conserved pathway that regulates many aspects of embryonic development and plays a crucial role in the differentiation process and tissue homeostasis in multiple organs of adult species. Several human pathological diso ...

EPFL2011