217 results found
    1. Cell Biology
    2. Physics of Living Systems

    Force propagation between epithelial cells depends on active coupling and mechano-structural polarization

    Artur Ruppel, Dennis Wörthmüller ... Martial Balland
    Combining micropatterning, traction force microscopy, and optogenetics, it is shown that epithelial cells actively respond to mechanical signals from neighboring cells.
    1. Neuroscience
    2. Physics of Living Systems

    A theory of synaptic transmission

    Bin Wang, Olga K Dudko
    The analytic theory establishes the general principles of synaptic transmission, enables extraction of microscopic parameters of synaptic fusion machinery from experiments, and links molecular constituents to synaptic function.
    1. Neuroscience

    An excitatory lateral hypothalamic circuit orchestrating pain behaviors in mice

    Justin N Siemian, Miguel A Arenivar ... Yeka Aponte
    A small population of lateral hypothalamic neurons detects pain and can be activated to suppress pain-related behavioral adaptations and the unpleasantness associated with pain in mice.
    1. Cell Biology

    Genetic, cellular, and structural characterization of the membrane potential-dependent cell-penetrating peptide translocation pore

    Evgeniya Trofimenko, Gianvito Grasso ... Christian Widmann
    Cationic cell-penetrating peptides (CPPs) enter cells through ~2 (–5)-nm-wide water pores induced by the strong negative plasma membrane potential that CPPs and the activity of potassium channels generate.
    1. Cell Biology
    2. Physics of Living Systems

    Probe-free optical chromatin deformation and measurement of differential mechanical properties in the nucleus

    Benjamin Seelbinder, Susan Wagner ... Moritz Kreysing
    Localized temperature gradients used as a novel method of active micro-theology that is non-invasive and probe-free, to investigate material responses of cell departments such as the different compartments of a nucleus displaying distinct material properties.
    1. Developmental Biology

    Axon tension regulates fasciculation/defasciculation through the control of axon shaft zippering

    Daniel Šmít, Coralie Fouquet ... Alain Trembleau
    Competition between adhesive and tensile forces regulates axon fasciculation, thus introducing a new role of mechanical tension in the development of neural networks.
    1. Cancer Biology
    2. Cell Biology

    PTEN controls glandular morphogenesis through a juxtamembrane β-Arrestin1/ARHGAP21 scaffolding complex

    Arman Javadi, Ravi K Deevi ... Frederick C Campbell
    PTEN organizes multicellular architecture by non-catalytic scaffolding of spatially localized β-Arrestin1/ARHGAP21/Cdc42 protein complexes to control mitotic spindle orientation, multicellular configuration and lumen formation.
    1. Cell Biology
    2. Developmental Biology

    Protein-based condensation mechanisms drive the assembly of RNA-rich P granules

    Helen Schmidt, Andrea Putnam ... Geraldine Seydoux
    P granule assembly depends in part on protein-protein interactions that drive condensation independent of RNA.
    1. Neuroscience

    Chemoreceptor co-expression in Drosophila melanogaster olfactory neurons

    Darya Task, Chun-Chieh Lin ... Christopher J Potter
    Olfactory neurons of insects, once thought to express only a single type of olfactory receptor, exhibit widespread co-expression of receptors from multiple chemosensory gene families.
    1. Cell Biology

    Quantitative regulation of the dynamic steady state of actin networks

    Angelika Manhart, Téa Aleksandra Icheva ... Alex Mogilner
    Cells are able to control the actin network length and steering by adjusting geometric, structural, or biochemical parameters such as ADF/Cofilin and actin concentrations, and network width.

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