78 results found
    1. Developmental Biology

    Transient inhibition of the ERK pathway prevents cerebellar developmental defects and improves long-term motor functions in murine models of neurofibromatosis type 1

    Edward Kim, Yuan Wang ... Yuan Zhu
    Nf1 is required during early, but not late, cerebellar development to facilitate neuronal lamination, providing a potential therapeutic prevention strategy for NF1-associated developmental abnormalities.
    1. Structural Biology and Molecular Biophysics

    How IGF-1 activates its receptor

    Jennifer M Kavran, Jacqueline M McCabe ... Daniel J Leahy
    Ligand binding to the ectodomain of the insulin-like growth factor receptor destabilises an autoinhibitory inter-subunit interaction, which allows the transmembrane domains to associate and the intracellular regions to autophosphorylate.
    1. Cancer Biology
    2. Immunology and Inflammation

    Tumor initiating cells induce Cxcr4-mediated infiltration of pro-tumoral macrophages into the brain

    Kelda Chia, Julie Mazzolini ... Dirk Sieger
    Pre-neoplastic cells in the brain release SDF1, which mediates an immediate infiltration of macrophages that differentiate into microglia-like cells and promote proliferation of pre-neoplastic cells.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A Fyn biosensor reveals pulsatile, spatially localized kinase activity and signaling crosstalk in live mammalian cells

    Ananya Mukherjee, Randhir Singh ... Akash Gulyani
    Unique biosensor design and protein-engineering enables direct visualization of the active form of Fyn kinase with high specificity, minimal perturbation and shows cellular signaling to be compartmentalized and pulsatile.
    1. Developmental Biology

    A chemical screen in zebrafish embryonic cells establishes that Akt activation is required for neural crest development

    Christie Ciarlo, Charles K Kaufman ... Leonard I Zon
    Akt activation is required for neural crest differentiation through regulation of Sox10 activity.
    1. Stem Cells and Regenerative Medicine

    Novel C1q receptor-mediated signaling controls neural stem cell behavior and neurorepair

    Francisca Benavente, Katja M Piltti ... Aileen Anderson
    Complement C1q directly drives the behavior of human neural stem cells via a classical receptor signaling mechanism modulating their capacity for functional integration in vivo.
    1. Structural Biology and Molecular Biophysics

    Structure of human Frizzled5 by fiducial-assisted cryo-EM supports a heterodimeric mechanism of canonical Wnt signaling

    Naotaka Tsutsumi, Somnath Mukherjee ... K Christopher Garcia
    Cryo-EM structure of monomeric human Frizzled5 was determined with a universal fiducial antibody at 3.7 Å overall resolution, which supports a simple Fzd/LRP6 heterodimerization mechanism of canonical Wnt/β-catenin signaling.
    1. Cancer Biology
    2. Chromosomes and Gene Expression

    Inducible lncRNA transgenic mice reveal continual role of HOTAIR in promoting breast cancer metastasis

    Qing Ma, Liuyi Yang ... Howard Y Chang
    HOTAIR is required in an ongoing manner when it regulates epigenetic status and reprograms cancer cell gene expression in promoting breast cancer metastasis.
    1. Cancer Biology
    2. Neuroscience

    NMNAT promotes glioma growth through regulating post-translational modifications of P53 to inhibit apoptosis

    Jiaqi Liu, Xianzun Tao ... R Grace Zhai
    NMNAT is genetically required for glioma development and promotes glioma growth by allowing a higher tolerance to DNA damage and inhibiting DNA damage-p53-caspase-3 apoptosis signaling pathway by enhancing NAD+-dependent posttranslational modifications (PTMs) poly(ADP-ribosyl)ation (PARylation) and deacetylation of p53.
    1. Cell Biology

    A remarkable adaptive paradigm of heart performance and protection emerges in response to marked cardiac-specific overexpression of ADCY8

    Kirill V Tarasov, Khalid Chakir ... Edward G Lakatta
    Overexpression of hAC8 engages complex, coordinate adaptation 'circuity' that has evolved in mammalian cells to defend against stress that threatens health or life, and may be important for proper healing in disease states such as heart infarction or failure.

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