160 results found
    1. Neuroscience

    Morphine disinhibits glutamatergic input to VTA dopamine neurons and promotes dopamine neuron excitation

    Ming Chen et al.
    Experiments examining the actions of morphine on single neurons from one of the brain's reward centers, the VTA, reveal the mechanism by which the drug exerts its hedonic effects.
    1. Neuroscience

    Different neuronal populations mediate inflammatory pain analgesia by exogenous and endogenous opioids

    Xin-Yan Zhang et al.
    Exogenous opioid analgesia is mediated by MORs expressed in glutamatergic neurons, whereas endogenous opioid analgesia is mediated by MORs expressed in GABAergic neurons.
    1. Neuroscience

    Cellular tolerance at the µ-opioid receptor is phosphorylation dependent

    Seksiri Arttamangkul et al.
    The role of C-terminal phosphorylation is critical for the expression of acute desensitization, trafficking and long-term tolerance to morphine.
    1. Computational and Systems Biology

    Linking traits based on their shared molecular mechanisms

    Yael Oren et al.
    Systematic analysis of a broad spectrum of behavioral and physiological traits reveals novel relationships among complex traits, and resolves their underlying combination of genetic loci and molecular mechanisms.
    1. Neuroscience

    Calretinin positive neurons form an excitatory amplifier network in the spinal cord dorsal horn

    Kelly M Smith et al.
    A signal amplifier network that transmits mechanical pain is delineated through characterising an excitatory interneuron population in the spinal cord dorsal horn and defining the postsynaptic populations they regulate.
    1. Neuroscience

    Polyglycerol-opioid conjugate produces analgesia devoid of side effects

    Sara González-Rodríguez et al.
    A novel opioid formulation producing analgesia similar to conventional opioids without permeation of blood-brain or intestinal barriers, thus precluding sedation, constipation and respiratory depression.
    1. Developmental Biology

    The Apelin receptor enhances Nodal/TGFβ signaling to ensure proper cardiac development

    Ashish R Deshwar et al.
    The Apelin receptor acts as a rheostat to ensure that the proper levels of Nodal signaling are achieved for proper cell fate specification at the onset of gastrulation, in particular for cardiac progenitor development.
    1. Neuroscience

    Opioids depress breathing through two small brainstem sites

    Iris Bachmutsky et al.
    Opioids stop breathing during overdose by silencing two small brain sites, with just 140 neurons in the breathing rhythm generator exerting the key effect.
    1. Neuroscience

    G protein βγ subunits inhibit TRPM3 ion channels in sensory neurons

    Talisia Quallo et al.
    TRPM3 inhibition is identified as a novel mechanism for G-protein βγ subunit signalling.
    1. Neuroscience

    An opioid-like system regulating feeding behavior in C. elegans

    Mi Cheong Cheong et al.
    The discovery that opioid neuropeptide neuronal signaling controls feeding behavior in a genetically tractable invertebrate model may help unravel the mechanisms of appetite control in humans.

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