1,919 results found
    1. Immunology and Inflammation

    Conformational change within the extracellular domain of B cell receptor in B cell activation upon antigen binding

    Zhixun Shen et al.
    Conformational changes occur within extracellular domain of BCR upon antigen engagement, and these conformational changes are related with the strength of BCR activation and are distinct in IgM- and IgG-BCR.
    1. Immunology and Inflammation

    The activation of IgM- or isotype-switched IgG- and IgE-BCR exhibits distinct mechanical force sensitivity and threshold

    Zhengpeng Wan et al.
    The B cell receptors of naïve B cells need higher levels of mechanical force to be fully activated than those of memory B cells.
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    Deep generative models for T cell receptor protein sequences

    Kristian Davidsen et al.
    Deep learning improves estimation of T cell receptor cohort frequencies and learns the rules of VDJ recombination, potentially making it helpful for vaccine design.
    1. Immunology and Inflammation

    The quantity of CD40 signaling determines the differentiation of B cells into functionally distinct memory cell subsets

    Takuya Koike et al.
    Unveiling a mechanism for the fate decision of B-cell differentiation into two functionally distinct memory B cell subsets.
    1. Immunology and Inflammation

    B cell activation involves nanoscale receptor reorganizations and inside-out signaling by Syk

    Kathrin Kläsener et al.
    Studying the earliest events in B cell activation reveals that the B cell antigen receptor is opened and activated via the phosphorylation and binding by the spleen tyrosine kinase (Syk).
    1. Cancer Biology

    FGF2-FGFR1 signaling regulates release of Leukemia-Protective exosomes from bone marrow stromal cells

    Nathalie Javidi-Sharifi et al.
    Inhibition of FGF2-FGFR1 signaling in bone marrow stroma attenuates secretion of FGF2-laden exosomes and subsequent protection of leukemia cells.
    1. Immunology and Inflammation

    B cell receptor and Toll-like receptor signaling coordinate to control distinct B-1 responses to both self and the microbiota

    Lieselotte SM Kreuk et al.
    Microbial-sensing TLRs drive responses to the microbiota, while nucleic-acid sensing TLRs control responses to endogenous ligands, revealing novel regulation of B-1a responses through integrated BCR/TLR mediated activation.
    1. Immunology and Inflammation

    Protein sorting by lipid phase-like domains supports emergent signaling function in B lymphocyte plasma membranes

    Matthew B Stone et al.
    Clustering the B cell receptor generates a membrane domain analogous to the liquid-ordered phase, localizing proteins involved in early receptor activation.
    1. Immunology and Inflammation

    Optogenetic control shows that kinetic proofreading regulates the activity of the T cell receptor

    O Sascha Yousefi et al.
    Controlling the duration of ligand binding to the T cell receptor by light shows that T cells discriminate stimulatory from non-stimulatory ligands by measuring the dynamics of ligand binding.
    1. Immunology and Inflammation

    Somatic hypermutation of T cell receptor α chain contributes to selection in nurse shark thymus

    Jeannine A Ott et al.
    Shark's T cells suggest plasticity in diversification mechanisms used by vertebrate lymphocytes, including somatic hypermutation in the thymus.

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