138 results found
    1. Cell Biology

    Lipolysis of bone marrow adipocytes is required to fuel bone and the marrow niche during energy deficits

    Ziru Li, Emily Bowers ... Ormond A MacDougald
    Bone marrow adipocyte lipolysis is required for maintaining bone mass under conditions of energy deficiency and is necessary for myelopoiesis following caloric restriction and irradiation.
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    Inhibition of intracellular lipolysis promotes human cancer cell adaptation to hypoxia

    Xiaodong Zhang, Alicia M Saarinen ... Jun Liu
    The survival and growth of solid tumor cells in hypoxia is dependent on fatty acid storage in triglyceride lipid droplets promoted by HIG2.
    1. Biochemistry and Chemical Biology
    2. Immunology and Inflammation

    Synergy between serum amyloid A and secretory phospholipase A2

    Shobini Jayaraman, Marcus Fändrich, Olga Gursky
    SAA removes toxic products of lipolysis of the cell membrane by sPLA2, indicating that SAA and sPLA2 act synergistically to clear debris from injured sites, as required for tissue healing.
    1. Cell Biology

    Inflammation produces catecholamine resistance in obesity via activation of PDE3B by the protein kinases IKKε and TBK1

    Jonathan Mowers, Maeran Uhm ... Alan R Saltiel
    Reduced energy expenditure in obesity may result from reduced sensitivity to sympathetic activation due to inflammation-generated signals in adipose tissue.
    1. Cell Biology
    2. Medicine

    An AMPK-dependent, non-canonical p53 pathway plays a key role in adipocyte metabolic reprogramming

    Hong Wang, Xueping Wan ... Libin Liu
    A non-canonical p53 function in adipocyte plays a critical role in energy homeostasis and is involved in obesity-associated metabolic dysfunctions.
    1. Cell Biology

    An in vivo reporter for tracking lipid droplet dynamics in transparent zebrafish

    Dianne Lumaquin, Eleanor Johns ... Richard M White
    A novel transgenic lipid droplet reporter in transparent casper zebrafish allows direct visualization of individual lipid droplets in a living animal.
    1. Cell Biology

    Human biallelic MFN2 mutations induce mitochondrial dysfunction, upper body adipose hyperplasia, and suppression of leptin expression

    Nuno Rocha, David A Bulger ... Robert K Semple
    Specific human mitofusin 2 mutations induce selective upper body obesity with suppressed leptin expression and severe adipose mitochondrial dysfunction.
    1. Biochemistry and Chemical Biology
    2. Medicine

    Covalent inhibition of endoplasmic reticulum chaperone GRP78 disconnects the transduction of ER stress signals to inflammation and lipid accumulation in diet-induced obese mice

    Dan Luo, Ni Fan ... Jianhui Rong
    Celastrol covalently inhibited the chaperone activity of GRP78 and could disconnect the transduction of ER stress signal to downstream inflammatory response and lipid metabolism.
    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
    2. Cell Biology

    Remodeling of dermal adipose tissue alleviates cutaneous toxicity induced by anti-EGFR therapy

    Leying Chen, Qing You ... Shiyi Zhang
    Modulation of dermal adipocytes contributes to skin homeostasis and provides a promising new therapeutic strategy in the treatment of EGFRI-related skin disorders.

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