23 results found
    1. Neuroscience

    Optical control of pain in vivo with a photoactive mGlu5 receptor negative allosteric modulator

    Joan Font, Marc López-Cano ... Francisco Ciruela
    Localized drug photoactivation provides light-mediated analgesia in behaving mice.
    1. Neuroscience

    Simultaneous brain, brainstem, and spinal cord pharmacological-fMRI reveals involvement of an endogenous opioid network in attentional analgesia

    Valeria Oliva, Ron Hartley-Davies ... Jonathan CW Brooks
    Attention-grabbing tasks produce rapid opioid-mediated analgesia via the descending pain modulation network to alter spinal neuronal activity.
    1. Neuroscience

    Conditional deletion of neurexins dysregulates neurotransmission from dopamine neurons

    Charles Ducrot, Gregory de Carvalho ... Louis-Eric Trudeau
    A combination of electrophysiological, electrochemical, and anatomical experiments sheds new light on how the complex neurotransmitter repertoire of dopaminergic neurons in the brain is regulated by proteins of the neurexin family.
    1. Neuroscience

    Deletion of Calsyntenin-3, an atypical cadherin, suppresses inhibitory synapses but increases excitatory parallel-fiber synapses in cerebellum

    Zhihui Liu, Man Jiang ... Thomas C Südhof
    Calsyntenin-3 functions in cerebellar Purkinje neurons as a postsynaptic adhesion molecule that, unexpectedly, suppresses excitatory parallel-fiber synapse numbers but boosts inhibitory synapse numbers and thereby controls the excitatory/inhibitory balance of Purkinje neurons.
    1. Neuroscience

    A machine-vision approach for automated pain measurement at millisecond timescales

    Jessica M Jones, William Foster ... Ishmail Abdus-Saboor
    Development of a fully automated pain scale using machine learning tools in computational neuroethology and creation of new software, reveals a robust circuit-dissection compatible platform for objective pain measurement.
    1. Neuroscience

    Criticality and degeneracy in injury-induced changes in primary afferent excitability and the implications for neuropathic pain

    Stéphanie Ratté, Yi Zhu ... Steven A Prescott
    No single molecular change is uniquely necessary to cause neuropathic changes in primary afferent excitability; multiple different changes are sufficient.
    1. Neuroscience

    Functional dichotomy in spinal- vs prefrontal-projecting locus coeruleus modules splits descending noradrenergic analgesia from ascending aversion and anxiety in rats

    Stefan Hirschberg, Yong Li ... Anthony E Pickering
    The locus coeruleus is organised into functional modules with subsets of noradrenergic neurones independently projecting to the spinal cord and prefrontal cortex to exert discrete, antithetical modulatory actions on a range of pain-related behaviours.
    1. Neuroscience

    Loss of cortical control over the descending pain modulatory system determines the development of the neuropathic pain state in rats

    Robert AR Drake, Kenneth A Steel ... Anthony E Pickering
    Alterations to brain network communication leading to a progressive loss in descending inhibitory modulation of the spinal cord is a key determinate of pain state development following peripheral nerve injury.
    1. Neuroscience

    Associative memory neurons of encoding multi-modal signals are recruited by neuroligin-3-mediated new synapse formation

    Yang Xu, Tian-liang Cui ... Jin-Hui Wang
    The coactivity of cortical neurons in associative learning recruits them as associative memory cells based on their synapse interconnections by neuroligin-3-mediated synapse formation, which endorses the first order and the second order of associative memory.
    1. Neuroscience

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

    Kelly M Smith, Tyler J Browne ... Brett A Graham
    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.

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