66 results found
    1. Cell Biology

    α8β1 integrin regulates nutrient absorption through an Mfge8-PTEN dependent mechanism

    Amin Khalifeh-Soltani, Arnold Ha ... Kamran Atabai
    The milk protein Mfge8 promotes fat uptake and slows gastrointestinal motility to optimize nutrient absorption.
    1. Cell Biology
    2. Physics of Living Systems

    Integrin α5β1 nano-presentation regulates collective keratinocyte migration independent of substrate rigidity

    Jacopo Di Russo, Jennifer L Young ... Joachim P Spatz
    The use of nanopatterned hydrogels and specific integrin α5β1 peptidomimetic revealed that keratinocytes require an optimum inter-ligand spacing to best propagate intercellular forces and efficiently coordinate cell sheet migration.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Low-affinity integrin states have faster ligand-binding kinetics than the high-affinity state

    Jing Li, Jiabin Yan, Timothy A Springer
    Faster ligand-binding kinetics of integrin low-affinity states suggests that integrin binding to ligand and intracellular adapters and the actin cytoskeleton precedes their stabilization, together with tensile force, of the high-affinity, extended-open integrin conformation.
    1. Developmental Biology

    Nephronectin-integrin α8 signaling is required for proper migration of periocular neural crest cells during chick corneal development

    Justin Ma, Lian Bi ... Peter Lwigale
    A new role for nephronectin and integrin α8 signaling during neural crest cell migration in the developing cornea has been identified.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Implications of the differing roles of the β1 and β3 transmembrane and cytoplasmic domains for integrin function

    Zhenwei Lu, Sijo Mathew ... Roy Zent
    Diverse biophysical properties of β1 and β3 integrin transmembrane and cytoplasmic domains result in distinct mechanisms of integrin activation and function.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Ankyrin-B is a PI3P effector that promotes polarized α5β1-integrin recycling via recruiting RabGAP1L to early endosomes

    Fangfei Qu, Damaris N Lorenzo ... Vann Bennett
    Ankyrin-B – through interactions with PI3P lipids, dynactin and RabGAP1L – functions as a critical node in the protein circuitry underlying polarized recycling of α5β1-integrin to enable haptotaxis along fibronectin gradients.
    1. Stem Cells and Regenerative Medicine

    Cardiac differentiation of human pluripotent stem cells using defined extracellular matrix proteins reveals essential role of fibronectin

    Jianhua Zhang, Zachery R Gregorich ... Timothy J Kamp
    Investigation of defined extracellular matrix proteins in differentiation of human pluripotent stem cells to cardiomyocytes reveals fibronectin, in addition to soluble factors, is required for cardiogenesis.
    1. Cell Biology

    Cas phosphorylation regulates focal adhesion assembly

    Saurav Kumar, Amanda Stainer ... Jonathan A Cooper
    A novel two-step model for integrin activation primed by Cas during cell migration and spreading on multiple extracellular matrix ligands.
    1. Stem Cells and Regenerative Medicine

    Integrin alpha11 is an Osteolectin receptor and is required for the maintenance of adult skeletal bone mass

    Bo Shen, Kristy Vardy ... Sean J Morrison
    Integrin a11 is identified as an Osteolectin receptor, revealing a new mechanism for adult skeletal bone maintenance in which Osteolectin/a11b1 signaling promotes bone formation by activating the Wnt pathway.
    1. Cancer Biology
    2. Cell Biology

    Collagen-rich omentum is a premetastatic niche for integrin α2-mediated peritoneal metastasis

    Yen-Lin Huang, Ching-Yeu Liang ... Viola Heinzelmann-Schwarz
    Inhibition of ITGA2-mediated cancer cell-collagen interaction or targeting focal adhesion kinase activity may present an opportunity for therapeutic intervention of metastatic spread in ovarian cancer.

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