25 results found
    1. Cancer Biology

    KLK3/PSA and cathepsin D activate VEGF-C and VEGF-D

    Sawan Kumar Jha et al.
    Both VEGF-C and VEGF-D can be activated by KLK3/PSA and Cathepsin D, producing two novel VEGF-C forms and the known VEGFR-2-specific form of VEGF-D.
    1. Cell Biology

    An extensive program of periodic alternative splicing linked to cell cycle progression

    Daniel Dominguez et al.
    Extensive periodic regulation of alternative splicing during the cell cycle in genes is linked to cell cycle functions, and involves an auto-inhibitory mechanism that uses the protein kinase CLK1.
    1. Developmental Biology

    Oviductal estrogen receptor α signaling prevents protease-mediated embryo death

    Wipawee Winuthayanon et al.
    Cyclic estrogen signaling in oviduct epithelial cells suppresses oviduct luminal protease activity to allow survival and development of preimplantation embryos
    1. Developmental Biology

    The transcription factor Pitx2 positions the embryonic axis and regulates twinning

    Angela Torlopp et al.
    In higher vertebrates, the position of the embryonic axis (the location at which gastrulation starts) is determined by the transcription factor Pitx2, which suggests that the mechanisms of this process, and hence those that regulate twinning, are related to those that set up the left–right axis.
    1. Cell Biology

    Nuclear receptor LRH-1/NR5A2 is required and targetable for liver endoplasmic reticulum stress resolution

    Jennifer L Mamrosh et al.
    LRH-1/NR5A2 responds to ER stress by inducing a novel pathway that is required for stress resolution in mice and can be targeted by LRH-1 agonists.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    ULK3 regulates cytokinetic abscission by phosphorylating ESCRT-III proteins

    Anna Caballe et al.
    ULK3 is a kinase in the abscission checkpoint that temporarily inactivates ESCRT-III proteins via phosphorylation, which is required to delay cytokinesis in response to defects in mitosis.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    A herpesvirus encoded Qa-1 mimic inhibits natural killer cell cytotoxicity through CD94/NKG2A receptor engagement

    Xiaoli Wang et al.
    Rodent herpesvirus Peru overcomes NK ‘missing-self’ killing using a non-classical MHC-I like protein resistant todownregulation by its own ubiquitin ligase that potently sabotages antigen presentation to T-cells.
    1. Cancer Biology

    Arid1a restrains Kras-dependent changes in acinar cell identity

    Geulah Livshits et al.
    Arid1a loss in the pancreas enables an irreversible reprogramming of cell fate that is dependent on both cellular and genetic context.
    1. Structural Biology and Molecular Biophysics

    Rac1 GTPase activates the WAVE regulatory complex through two distinct binding sites

    Baoyu Chen et al.
    The cryo-electron microscopy structure of an assembly of the WAVE Regulatory Complex and its activator, the Rac GTPase, plus complementary biochemistry and biophysics, reveal a novel activation mechanism involving two distinct Rac binding sites.
    1. Developmental Biology
    2. Genetics and Genomics

    Defective AMH signaling disrupts GnRH neuron development and function and contributes to hypogonadotropic hypogonadism

    Samuel Andrew Malone et al.
    Mouse in vivo and in vitro analysis and human genetic screening highlight the role of anti-Müllerian hormone (AMH) signaling in GnRH neuronal development and function, and identify mutations in AMH and AMHR2 in CHH patients.

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