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    1. Computational and Systems Biology
    2. Neuroscience

    Brain Networks: Modeling breathing rhythms

    Jan-Marino Ramirez, Nathan A Baertsch
    Computational models are helping researchers to understand how certain properties of neurons contribute to respiratory rhythms.
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    1. Neuroscience

    NaV1.1 is essential for proprioceptive signaling and motor behaviors

    Cyrrus M Espino, Cheyanne M Lewis ... Theanne N Griffith
    The voltage-gated sodium channel Nav1.1 is identified as an essential component of the proprioceptive transmission machinery that is required in vivo for normal motor behavior.
    1. Computational and Systems Biology
    2. Neuroscience

    Mixed-mode oscillations and population bursting in the pre-Bötzinger complex

    Bartholomew J Bacak, Taegyo Kim ... Ilya A Rybak
    Computational modeling reveals the mechanisms by which a diverse group of neurons in the brainstem generates rhythmic breathing in mammals.
    1. Neuroscience

    Non-uniform distribution of dendritic nonlinearities differentially engages thalamostriatal and corticostriatal inputs onto cholinergic interneurons

    Osnat Oz, Lior Matityahu ... Joshua A Goldberg
    The membrane nonlinearities of the dendritic arbor of striatal cholinergic interneurons conspire with the spatial distribution of its excitatory inputs to preferentially boost thalamic inputs.
    1. Computational and Systems Biology
    2. Neuroscience

    Estradiol elicits distinct firing patterns in arcuate nucleus kisspeptin neurons of females through altering ion channel conductances

    Jian Qiu, Margaritis Voliotis ... Martin J Kelly
    Kiss1ARH neurons transition from synchronous to burst firing under preovulatory levels of E2, causing a shift from peptidergic to glutamatergic transmission that drives the GnRH surge through enhanced glutamate neurotransmission.
    1. Neuroscience

    Enhanced excitability of cortical neurons in low-divalent solutions is primarily mediated by altered voltage-dependence of voltage-gated sodium channels

    Briana J Martiszus, Timur Tsintsadze ... Stephen M Smith
    External calcium regulates neuronal excitability via its actions on voltage-gated sodium channels but not by regulating NALCN via the calcium-sensing receptor.
    1. Neuroscience

    Clusters of cooperative ion channels enable a membrane-potential-based mechanism for short-term memory

    Paul Pfeiffer, Alexei V Egorov ... Susanne Schreiber
    Independently gating ion channels typically act fast within milliseconds, but cooperative interactions within a cluster of channels allow for a memory of previous electrical activity for several seconds.
    1. Computational and Systems Biology
    2. Neuroscience

    Stochastic and deterministic dynamics of intrinsically irregular firing in cortical inhibitory interneurons

    Philipe RF Mendonça, Mariana Vargas-Caballero ... Hugh PC Robinson
    A-type potassium conductances influence the distinctive firing behaviour of irregular-spiking interneurons.
    1. Neuroscience

    Interneuron FGF13 regulates seizure susceptibility via a sodium channel-independent mechanism

    Susan Lin, Aravind R Gade ... Geoffrey S Pitt
    Variants in FGF13, associated with developmental and epileptic encephalopathies, alter neuronal excitability by affecting inhibitory neurons and by a sodium channel-independent mechanism.
    1. Computational and Systems Biology
    2. Neuroscience

    Biophysical models reveal the relative importance of transporter proteins and impermeant anions in chloride homeostasis

    Kira M Düsterwald, Christopher B Currin ... Joseph V Raimondo
    Mathematical models with experimental validation show that chloride transporters in the cell membrane, and not negatively charged impermeant molecules, generate the driving force used by GABA receptors to silence neurons.