63 results found
    1. Genetics and Genomics

    PDGFRα signaling regulates Srsf3 transcript binding to affect PI3K signaling and endosomal trafficking

    Thomas E Forman, Marcin P Sajek ... Katherine A Fantauzzo
    Upon PDGFRα signaling in mouse embryonic palatal mesenchyme cells, Srsf3 exhibits differential transcript binding, resulting in retention of the receptor in early endosomes and increased downstream PI3K-mediated Akt signaling.
    1. Cell Biology
    2. Immunology and Inflammation

    RAS-p110a signalling in macrophages is required for effective inflammatory response and resolution of inflammation

    Alejandro Rosell, Agata A Krygowska ... Esther Castellano
    Revised
    Reviewed Preprint v2
    Updated
    • Useful
    • Solid
    1. Cell Biology

    Bilateral regulation of EGFR activity and local PI(4,5)P2 dynamics in mammalian cells observed with superresolution microscopy

    Mitsuhiro Abe, Masataka Yanagawa ... Yasushi Sako
    The local PI(4,5)P2 nanodomain promotes the dimerization and activation of EGFR in the plasma membrane, whereas activated EGFR dissolves the nanodomain structure of PI(4,5)P2 through PLCγ.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Genetic code expansion, click chemistry, and light-activated PI3K reveal details of membrane protein trafficking downstream of receptor tyrosine kinases

    Duk-Su Koh, Anastasiia Stratiievska ... Sharona E Gordon
    The generation of phosphoinositide 3,4,5-trisphosphate causes an increase in the number of TRPV1 ion channels and insulin receptors in the plasma membrane.
    1. Microbiology and Infectious Disease

    SPARK regulates AGC kinases central to the Toxoplasma gondii asexual cycle

    Alice L Herneisen, Michelle L Peters ... Sebastian Lourido
    Genetic and proteomic analyses reveal that the SPARK kinase, which is a regulator of key life-cycle transitions in the parasite Toxoplasma gondii, complexes with an elongin-like protein to regulate several important AGC-family kinases.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural and dynamic changes in P-Rex1 upon activation by PIP3 and inhibition by IP4

    Sandeep K Ravala, Sendi Rafael Adame-Garcia ... John JG Tesmer
    P-Rex1 adopts an inactive, compact conformation that is stabilized by an abundant intracellular molecule and undergoes dynamic changes to extend upon encountering signaling phospholipids in membranes.
    1. Immunology and Inflammation

    PIM kinase control of CD8 T cell protein synthesis and cell trafficking

    Julia M Marchingo, Laura Spinelli ... Doreen A Cantrell
    Not revised
    Reviewed Preprint v1
    • Important
    • Convincing
    1. Biochemistry and Chemical Biology

    Molecular dissection of PI3Kβ synergistic activation by receptor tyrosine kinases, GβGγ, and Rho-family GTPases

    Benjamin R Duewell, Naomi E Wilson ... Scott D Hansen
    Single molecule reconstitution of PI3Kβ synergistic activation reveals mechanism for rapid PI(3,4,5)P3 production during immune cell signaling.
    1. Biochemistry and Chemical Biology

    Disulfide bridge-dependent dimerization triggers FGF2 membrane translocation into the extracellular space

    Fabio Lolicato, Julia P Steringer ... Walter Nickel
    Disulfide-bridged fibroblast growth factor 2 (FGF2) dimerization at the inner plasma membrane leaflet produces the building block for higher FGF2 oligomers that drive FGF2 membrane translocation into the extracellular space.
    1. Structural Biology and Molecular Biophysics

    Conformational heterogeneity of the BTK PHTH domain drives multiple regulatory states

    David Yin-wei Lin, Lauren E Kueffer ... Amy H Andreotti
    Multiple dynamic protein interactions converge to regulate the catalytic activity of the B cell kinase, BTK.

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