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    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    PIP2 depletion promotes TRPV4 channel activity in mouse brain capillary endothelial cells

    Osama F Harraz, Thomas A Longden ... Mark T Nelson
    TRPV4 channels in brain capillaries are suppressed by the phosphoinositide PIP2 and activated by receptor agonists implicated in neurovascular coupling.
    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. Computational and Systems Biology
    2. Structural Biology and Molecular Biophysics

    Common activation mechanism of class A GPCRs

    Qingtong Zhou, Dehua Yang ... Suwen Zhao
    Contrary to previous findings, class A GPCRs share a common activation pathway that directly links ligand binding to G-protein activation, as revealed by novel quantitative analysis.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Endothelial pannexin 1–TRPV4 channel signaling lowers pulmonary arterial pressure in mice

    Zdravka Daneva, Matteo Ottolini ... Swapnil K Sonkusare
    Endothelial pannexin 1-P2Y2 purinergic receptor-TRPV4 channel signaling, facilitated by caveolin-1, is a novel pathway for lowering pulmonary arterial pressure.
    1. Neuroscience

    Differential interaction patterns of opioid analgesics with µ opioid receptors correlate with ligand-specific voltage sensitivity

    Sina B Kirchhofer, Victor Jun Yu Lim ... Moritz Bünemann
    The molecular pattern underlying the interactions of opioids with their receptor determines whether membrane depolarization increases or decreases their response or even convert antagonists to agonists.
    1. Evolutionary Biology
    2. Neuroscience

    Large-scale deorphanization of Nematostella vectensis neuropeptide G protein-coupled receptors supports the independent expansion of bilaterian and cnidarian peptidergic systems

    Daniel Thiel, Luis Alfonso Yañez Guerra ... Gáspár Jékely
    The identification of 31 neuropeptide GPCRs in the sea anemone Nematostella vectensis provides a rich resource to study peptidergic signaling in cnidarians and suggests that cnidarian and bilaterian peptidergic systems diversified independent from each other from a few ancestral systems.
    1. Neuroscience

    Activity-dependent regulation of T-type calcium channels by submembrane calcium ions

    Magali Cazade, Isabelle Bidaud ... Jean Chemin
    The feedback inhibition of T-type calcium channels by intracellular calcium provides new avenues to better decipher the roles of these low-voltage-activated channels in the fine control of calcium signaling events in physiology and pathophysiology.
    1. Neuroscience

    Microglial calcium signaling is attuned to neuronal activity in awake mice

    Anthony D Umpierre, Lauren L Bystrom ... Long-Jun Wu
    Microglial processes engage calcium signaling in response to hyper- or hypo-active shifts in neuronal activity.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Temperature evolution following joint loading promotes chondrogenesis by synergistic cues via calcium signaling

    Naser Nasrollahzadeh, Peyman Karami ... Dominique P Pioletti
    The loading-induced temperature evolution phenomenon in the knee joint modulates chondrogenic cells response to loading and accordingly opens a new paradigm that is coined 'thermo-mechanobiology'.