31 results found
    1. Structural Biology and Molecular Biophysics

    A critical residue in the α1M2–M3 linker regulating mammalian GABAA receptor pore gating by diazepam

    Joseph W Nors, Shipra Gupta, Marcel P Goldschen-Ohm
    The role of an important gating domain in linkage between the benzodiazepine drug-binding site and the pore gate in GABAA receptors.
    1. Neuroscience

    Learning of probabilistic punishment as a model of anxiety produces changes in action but not punisher encoding in the dmPFC and VTA

    David S Jacobs, Madeleine C Allen ... Bita Moghaddam
    A novel approach to studying anxiety reveals that learned anxiety and diazepam treatment have unique roles on prefrontal cortex and ventral tegmental area activity.
    1. Neuroscience

    Axonal mechanisms mediating γ-aminobutyric acid receptor type A (GABA-A) inhibition of striatal dopamine release

    Paul F Kramer, Emily L Twedell ... Zayd M Khaliq
    GABA-A receptors on dopamine neuron axons not only depolarize the membrane but also limit action potential propagation, an effect potentiated by positive allosteric modulators of GABA-A receptors like diazepam (Valium).
    1. Neuroscience

    Modulation of anxiety and fear via distinct intrahippocampal circuits

    Elif Engin, Kiersten S Smith ... Uwe Rudolph
    The hippocampus features a double dissociation in its circuits with respect to the regulation of fear and anxiety, with CA3 and the dentate gyrus implicated in anxiety and CA1 in fear.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Cryo-EM structure of the benzodiazepine-sensitive α1β1γ2S tri-heteromeric GABAA receptor in complex with GABA

    Swastik Phulera, Hongtao Zhu ... Eric Gouaux
    Structure of the triheteromeric α1β1γ2S GABAA receptor in complex with GABA illuminates the principles of receptor assembly and agonist binding.
    1. Neuroscience

    Risk of punishment influences discrete and coordinated encoding of reward-guided actions by prefrontal cortex and VTA neurons

    Junchol Park, Bita Moghaddam
    Risk of punishment during reward seeking behavior is associated with a functional "disconnection" of the PFC-VTA circuit due to a transient loss of VTA-driven theta oscillation.
    1. Neuroscience

    Myelination synchronizes cortical oscillations by consolidating parvalbumin-mediated phasic inhibition

    Mohit Dubey, Maria Pascual-Garcia ... Maarten HP Kole
    Demyelination disrupts fast inhibition of pyramidal neurons, thereby changing neocortical rhythms and causing the emergence of brief epileptic-like discharges.
    1. Neuroscience

    TMEM16B regulates anxiety-related behavior and GABAergic neuronal signaling in the central lateral amygdala

    Ke-Xin Li, Mu He ... Lily Yeh Jan
    SOM+ GABAergic neuronal signaling and inhibitory transmission in the central lateral amygdala is regulated by TMEM16B, which is also involved in fear and anxiety-like behaviors.
    1. Neuroscience

    Increasing adult neurogenesis protects mice from epilepsy

    Swati Jain, John J. LaFrancois ... Helen E. Scharfman

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