351 results found
    1. Immunology and Inflammation
    2. Cell Biology

    Calcium-mediated shaping of naive CD4 T-cell phenotype and function

    Vincent Guichard et al.
    Calcium-calcineurin signaling cascade drives the acquisition of both the phenotype of the most self-reactive naive CD4 T cells and their enhanced cell-intrinsic ability to commit into induced regulatory T cells upon activation.
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    Memory CD4 T cell subsets are kinetically heterogeneous and replenished from naive T cells at high levels

    Graeme Gossel et al.
    The maintenance of memory CD4 T cells in mice relies on a continual and strikingly high level of replenishment from naive precursors, and older memory T cells may resist the influx of newer ones.
    1. Biochemistry and Chemical Biology
    2. Immunology and Inflammation

    Rasgrp1 mutation increases naïve T-cell CD44 expression and drives mTOR-dependent accumulation of Helios+ T cells and autoantibodies

    Stephen R Daley et al.
    A single point mutation in a Ras activator leads to aberrant constitutive mTOR signaling in peripheral T cells that consequently accumulate as abnormal T helper cells and stimulate the production of autoantibodies by B cells.
    1. Immunology and Inflammation

    Modulation of let-7 miRNAs controls the differentiation of effector CD8 T cells

    Alexandria C Wells et al.
    TCR-mediated downregulation of let-7 microRNAs licenses the differentiation of activated CD8 T cells into cytotoxic T lymphocytes.
    1. Human Biology and Medicine
    2. Immunology and Inflammation

    Bystander hyperactivation of preimmune CD8+ T cells in chronic HCV patients

    Cécile Alanio et al.
    Naïve CD8+ T cells are dysregulated during chronic hepatitis C (HCV) infection, and this is reversible after viral clearance.
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    T-cell Immunology: The maths of memory

    Jose Borghans, Ruy M Ribeiro
    Mathematical modeling reveals that long-term immunological memory is maintained in a manner that is even more dynamic than previously thought.
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    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    IRF4 haploinsufficiency in a family with Whipple’s disease

    Antoine Guérin et al.
    Autosomal dominant IRF4 deficiency is the first genetic etiology of Whipple's disease, a very rare chronic condition following a rather common infection by Tropheryma whipplei.
    1. Immunology and Inflammation

    IgM and IgD B cell receptors differentially respond to endogenous antigens and control B cell fate

    Mark Noviski et al.
    Self-reactive B cells downregulate the IgM but not the IgD B cell receptor, and this serves as a critical tolerance mechanism because IgD is less sensitive to bona fide endogenous antigens than IgM.
    1. Immunology and Inflammation
    2. Physics of Living Systems

    Role of framework mutations and antibody flexibility in the evolution of broadly neutralizing antibodies

    Victor Ovchinnikov et al.
    Computer simulations of the evolution of broadly neutralizing antibodies against HIV suggest that non-traditional pathways involving framework mutations which lead initially to increased antibody flexibility do occur, but can be avoided by appropriate vaccine design.
    1. Structural Biology and Molecular Biophysics

    Structural basis of ribosomal peptide macrocyclization in plants

    Joel Haywood et al.
    The first crystal structure of an active plant asparaginyl endopeptidase reveals a tetrahedral intermediate state in its active site, which may help to explain why these enzymes have been independently recruited to perform peptide macrocyclization.

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