297 results found
    1. Cell Biology

    Dynamic localization of the chromosomal passenger complex in trypanosomes is controlled by the orphan kinesins KIN-A and KIN-B

    Daniel Ballmer, Bungo Akiyoshi
    The kinetoplastid parasite Trypanosoma brucei employs a unique mechanism to target the conserved Aurora B kinase to kinetochores and the central spindle.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Intracellular cholesterol trafficking is dependent upon NPC2 interaction with lysobisphosphatidic acid

    Leslie A McCauliff, Annette Langan ... Judith Storch
    Sterol kinetics and cell-based assays reveal a heretofore unknown step in cholesterol trafficking through the endolysosomal compartment, involving a direct functional interaction between NPC2 and lysosbisphosphatidic acid.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    R-spondin signalling is essential for the maintenance and differentiation of mouse nephron progenitors

    Valerie PI Vidal, Fariba Jian-Motamedi ... Andreas Schedl
    In the developing kidney, secreted molecules of the R-spondin family control progenitor cell proliferation and nephron formation by permitting WNT/β-catenin signalling.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The E3 ubiquitin ligase ZNRF2 is a substrate of mTORC1 and regulates its activation by amino acids

    Gerta Hoxhaj, Edward Caddye ... Carol MacKintosh
    The ZNRF2 enzyme helps the mTOR protein complex to sense amino acid levels and regulate mammalian cell growth.
    1. Chromosomes and Gene Expression
    2. Cancer Biology

    Loss of the multifunctional RNA-binding protein RBM47 as a source of selectable metastatic traits in breast cancer

    Sakari Vanharanta, Christina B Marney ... Joan Massagué
    Inactivation of a multifunctional RNA-binding protein can lead to the acquisition of pro-metastatic phenotypes, possibly by stabilizing large-scale transcriptomic changes that provide a selective advantage during cancer progression.
    1. Microbiology and Infectious Disease

    Host-derived Lactobacillus plantarum alleviates hyperuricemia by improving gut microbial community and hydrolase-mediated degradation of purine nucleosides

    Yang Fu, Xiao-Dan Luo ... Wence Wang
    Lactobacillus plantarum regulates host uric acid metabolism via its own nucleoside hydrolase iunH.
    1. Cancer Biology

    Glutamine deprivation triggers NAGK-dependent hexosamine salvage

    Sydney Campbell, Clementina Mesaros ... Kathryn E Wellen
    Hexosamine salvage through the enzyme N-acetylglucosamine kinase is stimulated in nutrient-limited conditions and supports pancreatic tumor growth.
    1. Immunology and Inflammation

    T cell-specific inhibition of multiple apoptotic pathways blocks negative selection and causes autoimmunity

    Megan L Burger, Kenneth K Leung ... Astar Winoto
    Using mice expressing a Bcl-2 mutant protein to suppress multiple central tolerance pathways, it is shown that central tolerance is crucial for preventing autoimmunity.
    1. Cell Biology
    2. Immunology and Inflammation

    Acute exposure to apolipoprotein A1 inhibits macrophage chemotaxis in vitro and monocyte recruitment in vivo

    Asif J Iqbal, Tessa J Barrett ... Edward A Fisher
    Mechanistic insights show how treatment with apoA1 is anti-inflammatory by rapidly disrupting macrophage chemotaxis and monocyte recruitment.
    1. Neuroscience

    Arcuate hypothalamic AgRP and putative POMC neurons show opposite changes in spiking across multiple timescales

    Yael Mandelblat-Cerf, Rohan N Ramesh ... Mark L Andermann
    Gradual changes in the firing of specific hypothalamic neurons over many hours signal falling energy levels, while short-lived changes over seconds and minutes signal the availability of food.

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