171 results found
    1. Neuroscience

    Apolipoprotein M-bound sphingosine-1-phosphate regulates blood–brain barrier paracellular permeability and transcytosis

    Mette Mathiesen Janiurek, Rana Soylu-Kucharz ... Martin Lauritzen
    Shortage of blood-borne apolipoprotein-M–bound sphingosine-1-phosphate, which accompanies various brain disorders, causes paracellular leak and increase in transcytosis at the blood–brain barrier, which can be reversed, thus is of clinical relevance.
    1. Cell Biology

    Apolipoprotein L-1 renal risk variants form active channels at the plasma membrane driving cytotoxicity

    Joseph A Giovinazzo, Russell P Thomson ... Ryan Schreiner
    Cytotoxicity associated with APOL1 renal-risk variants occurs through its plasma-membrane localization, where aberrant channel activity drives a sustained sodium and calcium influx leading to cell swelling and eventually cell death.
    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. Cell Biology

    Adiponectin is essential for lipid homeostasis and survival under insulin deficiency and promotes β-cell regeneration

    Risheng Ye, William L Holland ... Philipp E Scherer
    Under insulinopenic conditions, the hormone adiponectin is essential for lipid uptake specifically in subcutaneous white adipose tissue, and is sufficient to ameliorate islet lipotoxicity.
    1. Neuroscience

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

    Jerome Robert, Emily B Button ... Cheryl L Wellington
    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
    2. Physics of Living Systems

    Exceptional stability of a perilipin on lipid droplets depends on its polar residues, suggesting multimeric assembly

    Manuel Giménez-Andrés, Tadej Emeršič ... Alenka Čopič
    The amphipathic helix of perilipin 4 relies on the organization of its polar residues to form a remarkably immobile and stable protein layer on the surface of lipid droplets.
    1. Cell Biology

    A critical role of VMP1 in lipoprotein secretion

    Hideaki Morishita, Yan G Zhao ... Noboru Mizushima
    The ER transmembrane protein VMP1 is important for release of lipoproteins from the ER membrane into the ER lumen for secretion.
    1. Cancer Biology
    2. Computational and Systems Biology

    A novel machine learning algorithm selects proteome signature to specifically identify cancer exosomes

    Bingrui Li, Fernanda G Kugeratski, Raghu Kalluri
    A robust machine learning diagnostic platform utilizing exosome proteins to distinguish various human cancers in diverse biological fluids.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Dilation of fusion pores by crowding of SNARE proteins

    Zhenyong Wu, Oscar D Bello ... Erdem Karatekin
    A few SNARE complexes suffice to fuse membranes, but many more are needed to dilate the nascent fusion pore by molecular crowding for efficient neurotransmitter or hormone release during exocytosis.
    1. Biochemistry and Chemical Biology

    Curcumin promotes AApoAII amyloidosis and peroxisome proliferation in mice by activating the PPARα signaling pathway

    Jian Dai, Ying Li ... Keiichi Higuchi
    Curcumin regulates gene expression via PPARa activation and exhibits biological activities involved in amyloidosis, peroxisome proliferation, lipid metabolism, and hepatocyte hypertrophy.

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