1,464 results found
    1. Structural Biology and Molecular Biophysics
    2. Immunology and Inflammation

    Fluorescence Lifetime Imaging Microscopy reveals rerouting of SNARE trafficking driving dendritic cell activation

    Daniëlle Rianne José Verboogen et al.
    A novel microscopy-based assay shows that dendritic cells encountering pathogenic stimuli form increased complexes of specific SNARE proteins, driving release of large amounts of inflammatory cytokines.
    1. Cell Biology
    2. Computational and Systems Biology

    Removing physiological motion from intravital and clinical functional imaging data

    Sean C Warren et al.
    Image-based motion correction enables the use of fluorescence lifetime and other functional imaging modalities in an intravital and clinical context in the presence of physiological motion.
    1. Neuroscience

    Co-agonists differentially tune GluN2B-NMDA receptor trafficking at hippocampal synapses

    Joana S Ferreira et al.
    D-serine has a major role in the regulation of NMDA receptors not only contributing to its activation as the receptors co-agonist, but also by regulating specifically GluN2B-NMDA receptor trafficking and synaptic content at developing hippocampal synapses.
    1. Neuroscience
    2. Stem Cells and Regenerative Medicine

    AAV ablates neurogenesis in the adult murine hippocampus

    Stephen Johnston et al.
    Future work using recombinant AAV as an experimental tool in the dentate gyrus or as a gene therapy for diseases of the central nervous system should be carefully evaluated.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structures and functional characterization of the murine lipid scramblase TMEM16F

    Carolina Alvadia et al.
    While activated by a common mechanism, both functions in TMEM16F - lipid scrambling and ion conduction - are likely mediated by alternate protein conformations that are at equilibrium in the ligand-bound state.
    1. Cancer Biology
    2. Cell Biology

    Bim escapes displacement by BH3-mimetic anti-cancer drugs by double-bolt locking both Bcl-XL and Bcl-2

    Qian Liu et al.
    The pro-apoptotic BH3-protein Bim contains two distinct binding sites for anti-apoptotic proteins that together confer resistance of Bim/Bcl-2 and Bim/Bcl-XL complexes to BH3-mimetic drugs under development for use in humans.
    1. Neuroscience

    Rap2 and TNIK control Plexin-dependent tiled synaptic innervation in C. elegans

    Xi Chen et al.
    Plexin controls the spatial distribution of synapses by locally inhibiting Rap2 small GTPase activity along the axon, and a Rap2 effector, TNIK, which also plays a key role in inhibiting synapse number.
    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. Cell Biology

    Measuring NDC80 binding reveals the molecular basis of tension-dependent kinetochore-microtubule attachments

    Tae Yeon Yoo et al.
    Quantitative experiments and theory show that the tension-dependent regulation of NDC80 binding to kinetochore microtubules arises from a combination of the changing Aurora B concentration at NDC80 and the nonlinearity of Aurora B autoactivation.
    1. Structural Biology and Molecular Biophysics

    Routine single particle CryoEM sample and grid characterization by tomography

    Alex J Noble et al.
    Fiducial-less tomography on single particle cryoEM samples reveals that most particles are adsorbed to the air-water interface and allows for researchers to diagnose and solve sample, grid, ice thickness, collection, and processing issues.

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