397 results found
    1. Neuroscience

    Cold-induced hyperphagia requires AgRP neuron activation in mice

    Jennifer D Deem, Chelsea L Faber ... Gregory J Morton
    A combination of neuroscience approaches and indirect calorimetry demonstrate a physiological role for AgRP neurons in cold-induced hyperphagia and strongly suggest temperature is an important regulator of AgRP neuron activity.
    1. Cell Biology
    2. Developmental Biology

    The Notch-mediated hyperplasia circuitry in Drosophila reveals a Src-JNK signaling axis

    Diana M Ho, SK Pallavi, Spyros Artavanis-Tsakonas
    A diverse group of modifier genes, including the proto-oncogene Src, cooperate with Notch specifically to control cell proliferation.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Enhanced C/EBPβ function promotes hyperplastic versus hypertrophic fat tissue growth and prevents steatosis in response to high-fat diet feeding

    Christine Müller, Laura M Zidek ... Cornelis F Calkhoven
    Gene regulation by C/EBPβ determines how surplus of dietary fat is stored, which has consequences for metabolic health.
    1. Stem Cells and Regenerative Medicine

    Myofiber-specific TEAD1 overexpression drives satellite cell hyperplasia and counters pathological effects of dystrophin deficiency

    Sheryl Southard, Ju-Ryoung Kim ... Christoph Lepper
    For skeletal muscle in mice, the size of the stem cell pool can be uncoupled from overall tissue size allowing for a dramatic increase in stem cell number.
    1. Cell Biology
    2. Developmental Biology

    Nutrient restriction enhances the proliferative potential of cells lacking the tumor suppressor PTEN in mitotic tissues

    Katarzyna Nowak, Gerhard Seisenbacher ... Hugo Stocker
    Nutrient limitation elicits differential responses in cells lacking the tumor suppressor PTEN and in normal cells, resulting in hyperplastic overgrowth of PTEN mutant tissue independent of additional mutations.
    1. Developmental Biology

    Deregulated FGF and homeotic gene expression underlies cerebellar vermis hypoplasia in CHARGE syndrome

    Tian Yu, Linda C Meiners ... M Albert Basson
    Mutations in CHD7, which cause CHARGE syndrome, cause a reduction in FGF8 signalling and subsequent abnormalities in the cerebellar vermis in both mice and humans.
    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. Developmental Biology
    2. Neuroscience

    Developmental, cellular, and behavioral phenotypes in a mouse model of congenital hypoplasia of the dentate gyrus

    Amir Rattner, Chantelle E Terrillion ... Jeremy Nathans
    A mouse mutant in which nearly all dentate gyrus granule cells fail to develop provides a new window on the role of the dentate gyrus in spatial learning and memory.
    1. Chromosomes and Gene Expression
    2. Developmental Biology

    Mi-2/NuRD complex protects stem cell progeny from mitogenic Notch signaling

    Evanthia Zacharioudaki, Julia Falo Sanjuan, Sarah Bray
    Depleting Mi-2 in the progeny of neural stem cells prevents normal enhancer decommissioning so that they become sensitive to Notch activity and re-acquire stem cell properties.
    1. Immunology and Inflammation

    Down-regulated GAS6 impairs synovial macrophage efferocytosis and promotes obesity-associated osteoarthritis

    Zihao Yao, Weizhong Qi ... Haiyan Zhang
    Down-regulation of GAS6 by M1 macrophages resulted in impaired efferocytosis for synovial apoptotic cells, causing synovial hyperplasia and obesity-associated OA development.

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