73 results found
    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. Biochemistry and Chemical Biology

    Adipocyte ALK7 links nutrient overload to catecholamine resistance in obesity

    Tingqing Guo, Patricia Marmol ... Carlos F Ibanez
    The ALK7 receptor functions cell-autonomously and homeostatically in adult adipocytes to regulate catecholamine sensitivity in response to the diet.
    1. Genetics and Genomics

    Obesity-linked suppression of membrane-bound O-acyltransferase 7 (MBOAT7) drives non-alcoholic fatty liver disease

    Robert N Helsley, Venkateshwari Varadharajan ... J Mark Brown
    Loss of function of membrane-bound O-acyltransferase 7 (MBOAT7), but not transmembrane channel-like 4 (TMC4), promotes hepatic steatosis.
    1. Chromosomes and Gene Expression
    2. Neuroscience

    Intronic enhancer region governs transcript-specific Bdnf expression in rodent neurons

    Jürgen Tuvikene, Eli-Eelika Esvald ... Tõnis Timmusk
    An evolutionarily conserved neuron-specific and stimulus-dependent enhancer region downstream of the Bdnf exon III regulates the expression of Bdnf transcripts starting from the upstream 5' exons.
    1. Cell Biology

    Control of brown adipose tissue adaptation to nutrient stress by the activin receptor ALK7

    Patricia Marmol, Favio Krapacher, Carlos F Ibáñez
    The activin receptor ALK7 regulates the adaptation of brown adipose tissue to nutrient availability by preventing over-activation of signaling pathways induced by fasting, allowing appropriate response to cold exposure.
    1. Cell Biology

    Myogenic vasoconstriction requires G12/G13 and LARG to maintain local and systemic vascular resistance

    Ramesh Chennupati, Angela Wirth ... Stefan Offermanns
    Genetic mouse models identify a critical mechanism of myogenic vasoconstriction and reveal the in vivo function of myogenic autoregulation in protecting from organ overperfusion and in maintaining vascular resistance.
    1. Neuroscience

    POMC neurons expressing leptin receptors coordinate metabolic responses to fasting via suppression of leptin levels

    Alexandre Caron, Heather M Dungan Lemko ... Joel K Elmquist
    A subset of hypothalamic POMC neurons that express leptin receptors control metabolic responses to changing energy availability including regulating blood glucose and leptin levels.
    1. Microbiology and Infectious Disease

    Functional membrane microdomains and the hydroxamate siderophore transporter ATPase FhuC govern Isd-dependent heme acquisition in Staphylococcus aureus

    Lea Antje Adolf, Angelika Müller-Jochim ... Simon Heilbronner
    Staphylococcal heme acquisition needs a highly structured cell envelope, the membrane transporter accumulates in membrane domains most likely to allow concerted passage of heme from the cell wall-funnel to the membrane.
    1. Ecology
    2. Neuroscience

    Dopamine drives Drosophila sechellia adaptation to its toxic host

    Sofía Lavista-Llanos, Aleš Svatoš ... Bill S Hansson
    The insect dopaminergic system serves an important function in the regulation of ontogenesis and early development, contributing to the evolutionary processes that limit the ecological niche of Drosophila sechellia.
    1. Neuroscience

    Antagonistic modulation of NPY/AgRP and POMC neurons in the arcuate nucleus by noradrenalin

    Lars Paeger, Ismene Karakasilioti ... Peter Kloppenburg
    The coordinated differential modulation of satiety signaling POMC- and hunger signaling AgRP- neurons in the arcuate nucleus of the hypothalamus assigns an important role to noradrenalin to promote feeding.

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