750 results found
    1. Cell Biology

    Opto-RhoGEFs, an optimized optogenetic toolbox to reversibly control Rho GTPase activity on a global to subcellular scale, enabling precise control over vascular endothelial barrier strength

    Eike K Mahlandt, Sebastián Palacios Martínez ... Joachim Goedhart
    Optogenetic activation of Rho GTPases provides spatiotemporal control over endothelial cell shape and enables control over endothelial barrier function by manipulating the cell-cell overlap with blue light.
    1. Structural Biology and Molecular Biophysics

    The acidic domain of the endothelial membrane protein GPIHBP1 stabilizes lipoprotein lipase activity by preventing unfolding of its catalytic domain

    Simon Mysling, Kristian Kølby Kristensen ... Michael Ploug
    Intravascular triglyceride hydrolysis by lipoprotein lipase is crucial for delivering lipid nutrients to vital tissues, such as the heart, skeletal muscle, and adipose tissue.
    1. Cancer Biology

    LIPG signaling promotes tumor initiation and metastasis of human basal-like triple-negative breast cancer

    Pang-Kuo Lo, Yuan Yao ... Qun Zhou
    LIPG, a lipoprotein lipase, executes its oncogenic function in human basal-like triple-negative breast cancer through its functional involvement in DTX3L-ISG15 signaling, an interferon-related pathway that regulates protein functionality by ISGylation.
    1. Structural Biology and Molecular Biophysics

    The angiopoietin-like protein ANGPTL4 catalyzes unfolding of the hydrolase domain in lipoprotein lipase and the endothelial membrane protein GPIHBP1 counteracts this unfolding

    Simon Mysling, Kristian Kølby Kristensen ... Michael Ploug
    Building on previous work (Mysling et al., 2016), it is shown that angiopoietin-like protein 4 (ANGPTL4) inhibits lipoprotein lipase activity by catalyzing the unfolding of its hydrolase domain.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Endothelial PKA activity regulates angiogenesis by limiting autophagy through phosphorylation of ATG16L1

    Xiaocheng Zhao, Pavel Nedvetsky ... Holger Gerhardt
    The cAMP-dependent protein kinase A controls the switch from actively sprouting new blood vessel formation to vessel quiescence by reducing endothelial autophagy through phosphorylation-mediated destabilisation of ATG16L1.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Increasing heart vascularisation after myocardial infarction using brain natriuretic peptide stimulation of endothelial and WT1+ epicardial cells

    Na Li, Stephanie Rignault-Clerc ... Nathalie Rosenblatt-Velin
    Brain natriuretic peptide supplementation can increase cardiac neovascularization in infarcted hearts by stimulating endogenous endothelial cell proliferation and proliferation of precursor cells, which will differentiate into endothelial cells.
    1. Cell Biology

    V-ATPase V0a1 promotes Weibel–Palade body biogenesis through the regulation of membrane fission

    Yasuo Yamazaki, Yuka Eura, Koichi Kokame
    A V-ATPase component and protein kinase D are required for the segregation of Weibel–Palade bodies from the trans-Golgi network.
    1. Biochemistry and Chemical Biology

    GPIHBP1 expression in gliomas promotes utilization of lipoprotein-derived nutrients

    Xuchen Hu, Ken Matsumoto ... Haibo Jiang
    The expression of the lipoprotein lipase (LPL) transporter GPIHBP1 in glioma capillaries promotes the LPL-mediated processing of triglyceride-rich lipoproteins, thereby providing lipid nutrients for glioma cells.
    1. Immunology and Inflammation

    Endothelial heterogeneity across distinct vascular beds during homeostasis and inflammation

    Ankit Jambusaria, Zhigang Hong ... Jalees Rehman
    Vascular endothelial cells in the brain, heart and lung exhibit tissue-specific heterogeneity and plasticity, expressing genes that were traditionally thought to be only expressed by the surrounding parenchymal tissue cells.
    1. Cell Biology

    HIF-1α is required for disturbed flow-induced metabolic reprogramming in human and porcine vascular endothelium

    David Wu, Ru-Ting Huang ... Gökhan M Mutlu
    Hemodynamic forces regulate endothelial cell metabolism, which in turn regulates endothelial inflammation.

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