48 results found
    1. Cell Biology
    2. Ecology

    Ubiquitous macropinocytosis in anthozoans

    Philippe Ganot, Eric Tambutté ... Sylvie Tambutté
    Macropinocytosis, the process of non-specific endocytosis, is a major gateway for large volumes of surrounding medium and nanoparticles to coral cells.
    1. Cell Biology

    Neurofibromin controls macropinocytosis and phagocytosis in Dictyostelium

    Gareth Bloomfield, David Traynor ... Robert R Kay
    Inactivation of the Dictyostelium orthologue of the tumour suppressor Neurofibromin (NF1) enables amoebae to ingest dissolved nutrients using macropinocytosis more rapidly, and to prey on larger organisms using phagocytosis.
    1. Cancer Biology
    2. Developmental Biology

    The PMA phorbol ester tumor promoter increases canonical Wnt signaling via macropinocytosis

    Nydia Tejeda-Munoz, Yagmur Azbazdar ... Edward M De Robertis
    The archetypal tumor promoter PMA, which promotes cancer without mutating the DNA, increases Wnt signaling by activating macropinocytosis and membrane trafficking in Xenopus embryos and tumor cells.
    1. Cell Biology
    2. Cancer Biology

    Tumor microenvironment derived exosomes pleiotropically modulate cancer cell metabolism

    Hongyun Zhao, Lifeng Yang ... Deepak Nagrath
    Exosomes from cancer-associated fibroblasts enhance the "Warburg effect" in tumors and contain de novo metabolites that can contribute to the entire compendia of central carbon metabolism within cancer cells.
    1. Cell Biology

    A plasma membrane template for macropinocytic cups

    Douwe M Veltman, Thomas D Williams ... Robert R Kay
    Rings of actin polymerisation that form around PIP3/Ras patches in the cell membrane drive the formation of macropinocytic cups.
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    Metabolic requirement for GOT2 in pancreatic cancer depends on environmental context

    Samuel A Kerk, Lin Lin ... Costas A Lyssiotis
    Inhibition of GOT2 drives growth inhibitory reductive stress that can be rescued by electron acceptors in vitro, whereas GOT2 inhibition in endogenous or transplanted tumor models is tolerated without consequence, highlighting the importance of context when studying tumor metabolism.
    1. Cancer Biology

    Hyaluronic acid fuels pancreatic cancer cell growth

    Peter K Kim, Christopher J Halbrook ... Costas A Lyssiotis
    Pancreatic cancers can utilize hyaluronic acid, an abundant extracellular matrix component in the tumor microenvironment, to fuel cancer cell metabolism and growth.
    1. Cell Biology
    2. Developmental Biology

    Ingression-type cell migration drives vegetal endoderm internalisation in the Xenopus gastrula

    Jason WH Wen, Rudolf Winklbauer
    The cellular behaviours that underlie the internalization of the multilayered endoderm anlage in Xenopus laevis link the ancestral mode of vertebrate gastrulation to common, epithelial-based mechanisms of gastrulation in non-vertebrate animals.
    1. Cancer Biology

    Evidence that synthetic lethality underlies the mutual exclusivity of oncogenic KRAS and EGFR mutations in lung adenocarcinoma

    Arun M Unni, William W Lockwood ... Harold Varmus
    Co-mutation of two powerful oncogenes in certain cell types may have a lethal effect that explains the mutual exclusivity of the mutations.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Dynamics of mTORC1 activation in response to amino acids

    Maria Manifava, Matthew Smith ... Nicholas T Ktistakis
    Activation by amino acids causes mTORC1 to translocate transiently to the lysosomal surface.

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