600 results found
    1. Cell Biology
    2. Developmental Biology

    The interplay of stiffness and force anisotropies drives embryo elongation

    Thanh Thi Kim Vuong-Brender, Martine Ben Amar ... Michel Labouesse
    Elongation of C. elegans embryos requires stiffness and force to be specifically oriented in a coordinated manner in different cells.
    1. Developmental Biology
    2. Physics of Living Systems

    Rapid changes in tissue mechanics regulate cell behaviour in the developing embryonic brain

    Amelia J Thompson, Eva K Pillai ... Kristian Franze
    During embryonic development, tissue stiffness, which provides an important signal to motile cells, changes locally within tens of minutes in a well-controlled manner.
    1. Cell Biology
    2. Developmental Biology

    Fascin limits Myosin activity within Drosophila border cells to control substrate stiffness and promote migration

    Maureen C Lamb, Chathuri P Kaluarachchi ... Tina L Tootle
    Collectively migrating cells control their stiffness by Fascin-dependent control of Myosin activity, and this migratory cell stiffness regulates Myosin activity and stiffness within the cellular substrate to ultimately promote migration.
    1. Immunology and Inflammation

    Different TCR-induced T lymphocyte responses are potentiated by stiffness with variable sensitivity

    Michael Saitakis, Stéphanie Dogniaux ... Claire Hivroz
    Multiple functions of human T lymphocytes are shown to be potentiated within a wide range of physiological cell and tissue rigidities.
    1. Cell Biology
    2. Immunology and Inflammation

    Substrate stiffness governs the initiation of B cell activation by the concerted signaling of PKCβ and focal adhesion kinase

    Samina Shaheen, Zhengpeng Wan ... Wanli Liu
    The combination of molecular imaging, genetic and pharmacological approaches revealed that BCR signaling and PKCβ-dependent activation of focal adhesion kinase (FAK) is required for B cell mechanosensing.
    1. Physics of Living Systems

    Downsizing the molecular spring of the giant protein titin reveals that skeletal muscle titin determines passive stiffness and drives longitudinal hypertrophy

    Ambjorn Brynnel, Yaeren Hernandez ... Henk L Granzier
    Genetically altering the size of the molecular spring element in the giant protein titin established that titin determines the stiffness of skeletal muscle and the number of sarcomeres in series.
    1. Immunology and Inflammation
    2. Physics of Living Systems

    T cell stiffness is enhanced upon formation of immunological synapse

    Philipp Jung, Xiangda Zhou ... Bin Qu
    Upon activation of T cell receptors at the contact site, T cells were substantially stiffened at the cell body as well as at the lamellipodia, which is mediated by Ca2+.
    1. Microbiology and Infectious Disease
    2. Physics of Living Systems

    Substrate stiffness impacts early biofilm formation by modulating Pseudomonas aeruginosa twitching motility

    Sofia Gomez, Lionel Bureau ... Sigolene Lecuyer
    The spatial organization of pathogenic bacteria into microcolonies can be shaped by the stiffness of the substrate that they colonize, via modifications of the bacterial motility.
    1. Neuroscience

    Stretching the skin immediately enhances perceived stiffness and gradually enhances the predictive control of grip force

    Mor Farajian, Raz Leib ... Ilana Nisky
    Elucidating the contribution of augmented artificial skin-stretch stimulation to the fingertips to the immediate illusion of a higher stiffness and to an increased predictive grip force control.
    1. Cell Biology

    Pathogenic Huntingtin aggregates alter actin organization and cellular stiffness resulting in stalled clathrin-mediated endocytosis

    Surya Bansi Singh, Shatruhan Singh Rajput ... Deepa Subramanyam
    Neurodegeneration driven by pathogenic aggregating proteins reorganizes the actin cytoskeleton, causing cellular stiffening and abolishing force generation required for endocytic events.

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