90 results found
    1. Computational and Systems Biology
    2. Medicine

    A computational model predicts sex-specific responses to calcium channel blockers in mammalian mesenteric vascular smooth muscle

    Gonzalo Hernandez-Hernandez, Samantha C O'Dwyer ... Colleen E Clancy
    A computer model predicts different mechanisms of blood pressure regulation and effective hypertensive therapy for males and females, thereby serving as a foundational tool for improved treatment precision.
    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
    2. Structural Biology and Molecular Biophysics

    Molecular tuning of sea anemone stinging

    Lily S He, Yujia Qi ... Nicholas W Bellono
    Sea anemones use adapted ion channels to control stinging behavior.
    1. Neuroscience

    Ca2+ channel and active zone protein abundance intersects with input-specific synapse organization to shape functional synaptic diversity

    Audrey T Medeiros, Scott J Gratz ... Kate M O'Connor-Giles
    In vivo analysis of endogenously tagged Ca2+ channel subunits reveals unexpected differences in subunit composition and synapse-specific relationships between channel abundance and synaptic strength.
    1. Neuroscience

    RIM-BP2 regulates Ca2+ channel abundance and neurotransmitter release at hippocampal mossy fiber terminals

    Rinako Miyano, Hirokazu Sakamoto ... Takeshi Sakaba
    By combining direct presynaptic patch-clamp electrophysiology and super-resolution microscopy, it was found that KO of RIM-BP2 reduced calcium channel abundance in hippocampal mossy terminals.
    1. Neuroscience

    Dendritic Na+ spikes enable cortical input to drive action potential output from hippocampal CA2 pyramidal neurons

    Qian Sun, Kalyan V Srinivas ... Steven A Siegelbaum
    In the hippocampus, dendritic Na + spikes are required for signals from the entorhinal cortex to drive action potentials in CA2-but not CA1 or CA3-pyramidal neurons.
    1. Neuroscience

    Neurexins control the strength and precise timing of glycinergic inhibition in the auditory brainstem

    He-Hai Jiang, Ruoxuan Xu ... Fujun Luo
    Neurexins are essential for shaping the functional properties of glycinergic synapse in the auditory brainstem, further attesting their universal role as critical presynaptic organizers in all major fast chemical synapses.
    1. Neuroscience

    Dendritic sodium spikes are required for long-term potentiation at distal synapses on hippocampal pyramidal neurons

    Yujin Kim, Ching-Lung Hsu ... Nelson Spruston
    At distal synapses onto hippocampal CA1 pyramidal neurons, synaptic plasticity is dependent on dendritically initiated sodium spikes, thus establishing a new role for voltage-gated sodium channels in the dendrites that may have important implications for how learning rules are implemented.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    CryoEM structures of Kv1.2 potassium channels, conducting and non-conducting

    Yangyu Wu, Yangyang Yan ... Fred J Sigworth
    The well-studied Kv1.2 potassium ion channel is observed in a variety of states and conditions, to understand mechanisms of ion permeation, gating and block.
    1. Physics of Living Systems

    Emergence of ion-channel-mediated electrical oscillations in Escherichia coli biofilms

    Emmanuel Akabuogu, Victor Carneiro da Cunha Martorelli ... Thomas A Waigh
    Electrical signaling is demonstrated in Escherichia coli biofilms.

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