46 results found
    1. Cell Biology

    Mucosal absorption of therapeutic peptides by harnessing the endogenous sorting of glycosphingolipids

    Maria Daniela Garcia-Castillo, Daniel J-F Chinnapen ... Wayne I Lencer
    Non-native synthetic short-chain glycosphingolipids fused to GLP-1 enable intestinal absorption with high bioavailability in vivo.
    1. Developmental Biology

    The glycosphingolipid MacCer promotes synaptic bouton formation in Drosophila by interacting with Wnt

    Yan Huang, Sheng Huang ... Yong Q Zhang
    Multiple independent analyses reveal that a specific membrane lipid directly interacts with the signalling protein Wingless to promote synapse growth at the Drosophila neuromuscular junctions.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Fucosylation and protein glycosylation create functional receptors for cholera toxin

    Amberlyn M Wands, Akiko Fujita ... Jennifer J Kohler
    Cholera intoxication of human colonic epithelial cells is dependent on recognition of protein glycosylation and fucosylation, not exclusively on ganglioside recognition as proposed previously.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Lipid accumulation controls the balance between surface connection and scission of caveolae

    Madlen Hubert, Elin Larsson ... Richard Lundmark
    Caveolae sense the membrane lipid composition, which influences their dynamic behavior at the cell surface.
    1. Microbiology and Infectious Disease

    Metabolic arsenal of giant viruses: Host hijack or self-use?

    Djamal Brahim Belhaouari, Gabriel Augusto Pires De Souza ... Sarah Aherfi
    Metabolic pathways found to date in giant virus raise the question if these viral enzymes provide some level of autonomy to viruses or if they are used to expand the host metabolism.
    1. Medicine

    Neuroinflammation in neuronopathic Gaucher disease: Role of microglia and NK cells, biomarkers, and response to substrate reduction therapy

    Chandra Sekhar Boddupalli, Shiny Nair ... Pramod K Mistry
    In neurodegeneration of Gaucher disease, glucosylceramides trigger neuroinflammation via attrition of homeostatic microglia and transition to lipid-laden damage-associated microglia concurrently with infiltration of diverse immune cells including activated NK cells and CCR2+ macrophages, ameliorated by substrate reduction therapy.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The Ormdl genes regulate the sphingolipid synthesis pathway to ensure proper myelination and neurologic function in mice

    Benjamin A Clarke, Saurav Majumder ... Richard L Proia
    The ORMDL proteins function to restrain the de novo sphingolipid biosynthetic pathway during myelination, when there is a high demand for sphingolipids to prevent excessive accumulation of metabolic intermediates.
    1. Cell Biology

    Caveolae internalization repairs wounded cells and muscle fibers

    Matthias Corrotte, Patricia E Almeida ... Norma W Andrews
    Cells repair damage to their outer membranes not by patching them as previously thought, but by using proteins called caveolins to remove the damaged regions by endocytosis.
    1. Cell Biology
    2. Developmental Biology

    Murine endothelial serine palmitoyltransferase 1 (SPTLC1) is required for vascular development and systemic sphingolipid homeostasis

    Andrew Kuo, Antonio Checa ... Timothy Hla
    Endothelial sphingolipid biosynthesis is essential for maintaining vascular development, neovascular proliferation, non-CNS tissue sphingolipid levels, and hepatocyte response to stress.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Tuberculosis-associated IFN-I induces Siglec-1 on tunneling nanotubes and favors HIV-1 spread in macrophages

    Maeva Dupont, Shanti Souriant ... Geanncarlo Lugo-Villarino
    Type-I interferon enriched microenvironment generated by Mycobacterium tuberculosis induces the Siglec-1 receptor expression in human macrophages, including on tunneling nanotubes, and contributes to the exacerbation of cell-to-cell transfer of HIV-1.

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