5,253 results found
    1. Cell Biology
    2. Immunology and Inflammation

    Intermittent Ca2+ signals mediated by Orai1 regulate basal T cell motility

    Tobias X Dong et al.
    Orai1 channels activate intermittently in motile T cells, generating calcium transients, detected by a novel genetically encoded indicator and inducing pauses that favor antigen scanning.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Near-infrared dual bioluminescence imaging in mouse models of cancer using infraluciferin

    Cassandra L Stowe et al.
    Two cellular populations can be tracked in the same small animal model using near-infrared bioluminescence imaging, for the first time opening up the window for multi-coloured bioluminescence.
    1. Cell Biology
    2. Immunology and Inflammation

    T-cell calcium dynamics visualized in a ratiometric tdTomato-GCaMP6f transgenic reporter mouse

    Tobias X Dong et al.
    Salsa6f is a novel, ratiometric genetically encoded Ca2+ indicator that combines the power of ratiometric chemical Ca2+ indicators with the ability, when expressed transgenically, to image cellular Ca2+ signals amid complex tissue environments in vivo.
    1. Immunology and Inflammation

    T cell immunodominance is dictated by the positively selecting self-peptide

    Wan-Lin Lo et al.
    The T cell repertoire can display immunodominance to an epitope as a result of optimal positive selection in the thymus by one self-peptide/MHC ligand.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    EBI2-mediated bridging channel positioning supports splenic dendritic cell homeostasis and particulate antigen capture

    Tangsheng Yi, Jason G Cyster
    The receptor EBI2 is essential for correctly positioning CD4+ dendritic cells in the spleen so that they can present blood-borne antigens to T cells and thereby provoke an antibody response.
    1. Immunology and Inflammation

    Gamma delta T cells recognize haptens and mount a hapten-specific response

    Xun Zeng et al.
    The T-cell receptors of gamma delta (γδ) T cells can recognize and trigger responses to small molecules and are thereby versatile drivers of immunity.
    1. Cancer Biology
    2. Computational and Systems Biology

    Highly multiplexed immunofluorescence imaging of human tissues and tumors using t-CyCIF and conventional optical microscopes

    Jia-Ren Lin et al.
    t-CyCIF can be used to collect spatially-encoded, multiparametric data from fixed and embedded research or clinical specimens making it possible to probe the organization of tumors and tissues at a single-cell level.

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