242 results found
    1. Neuroscience

    Clearance of beta-amyloid is facilitated by apolipoprotein E and circulating high-density lipoproteins in bioengineered human vessels

    Jerome Robert et al.
    Modelling beta-amyloid deposition in bioengineered human vessels represents a notable advance to further investigate the role of the vasculature in Alzheimer's disease.
    1. Cell Biology

    A critical role of VMP1 in lipoprotein secretion

    Hideaki Morishita et al.
    The ER transmembrane protein VMP1 is important for release of lipoproteins from the ER membrane into the ER lumen for secretion.
    1. Biochemistry and Chemical Biology

    GPIHBP1 expression in gliomas promotes utilization of lipoprotein-derived nutrients

    Xuchen Hu et al.
    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. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Glycine acylation and trafficking of a new class of bacterial lipoprotein by a composite secretion system

    Christopher Icke et al.
    AatD is a novel acyltransferase that mediates N-palmitoylation of glycine, a process not previously described, that results in the secretion of lipoproteins to the bacterial cell surface.
    1. Microbiology and Infectious Disease

    Human gut Bacteroides capture vitamin B12 via cell surface-exposed lipoproteins

    Aaron G Wexler et al.
    The human gut bacterial lipoprotein BtuG binds vitamin B12 with femtomolar affinity, can remove vitamin B12 from human intrinsic factor, and is required for commensal fitness in the gut.
    1. Developmental Biology
    2. Neuroscience

    Delivery of circulating lipoproteins to specific neurons in the Drosophila brain regulates systemic insulin signaling

    Marko Brankatschk et al.
    Yeast specific lipids promote the transport of lipid transfer protein (LTP) across the blood brain barrier to the neurons that regulate systemic insulin signaling.
    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 et al.
    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. Cell Biology

    Lpcat3-dependent production of arachidonoyl phospholipids is a key determinant of triglyceride secretion

    Xin Rong et al.
    The enzyme Lpcat3 plays a unique role in the incorporation of arachidonic acid into membranes, which is required for the production of lipoproteins.
    1. Biochemistry and Chemical Biology

    Fatty acid remodeling by LPCAT3 enriches arachidonate in phospholipid membranes and regulates triglyceride transport

    Tomomi Hashidate-Yoshida et al.
    LPCAT3 incorporates arachidonic acid into membrane phospholipids, which promotes lipoprotein assembly by enabling triacylgylcerols to cluster in the membrane.
    1. Microbiology and Infectious Disease

    A lipoprotein/β-barrel complex monitors lipopolysaccharide integrity transducing information across the outer membrane

    Anna Konovalova et al.
    Mutations that block assembly of the interlocked RcsF/β barrel protein complex prevent detection of lipopolysaccharide stress and activation of Rcs signal transduction pathway.

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