100 results found
    1. Cell Biology
    2. Developmental Biology

    Specific polar subpopulations of astral microtubules control spindle orientation and symmetric neural stem cell division

    Felipe Mora-Bermúdez, Fumio Matsuzaki, Wieland B Huttner
    Mammalian neural stem cells specifically regulate a subset of astral microtubules to govern the subtle changes in spindle orientation that underlie symmetric vs asymmetric cell division during embryonic cortical neurogenesis.
    1. Developmental Biology
    2. Neuroscience

    GSK-3 signaling in developing cortical neurons is essential for radial migration and dendritic orientation

    Meghan Morgan-Smith, Yaohong Wu ... William D Snider
    The kinase GSK-3 regulates cortical neuronal migration and dendritic orientation by phosphorylating key cytoskeletal proteins.
    1. Cell Biology
    2. Neuroscience

    The transcription factor NRSF contributes to epileptogenesis by selective repression of a subset of target genes

    Shawn McClelland, Gary P Brennan ... Tallie Z Baram
    Uncovering the mechanisms by which the transcription factor NRSF contributes to the development of epilepsy reveals that the regulation of gene expression by transcription factors in the brain is more finely-tuned than previously thought.
    1. Developmental Biology
    2. Neuroscience

    Cannabinoid-induced actomyosin contractility shapes neuronal morphology and growth

    Alexandre B Roland, Ana Ricobaraza ... Zsolt Lenkei
    Cannabinoids inhibit neuronal expansion and growth through the rapid contraction of actomyosin.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Oxyntomodulin regulates resetting of the liver circadian clock by food

    Dominic Landgraf, Anthony H Tsang ... Henrik Oster
    The gut-released peptide oxyntomodulin mediates the alignment of liver clock gene and metabolic transcript rhythms with the timing of food intake by postprandial induction of hepatic Per gene expression.
    1. Neuroscience

    Palmitoylation of LIM Kinase-1 ensures spine-specific actin polymerization and morphological plasticity

    Joju George, Cary Soares ... Gareth M Thomas
    The protein-lipid modification palmitoylation targets the kinase LIMK1 to dendritic spines to ensure precise control of the size of individual spines in response to synaptic activation.
    1. Neuroscience

    Irregular spiking of pyramidal neurons organizes as scale-invariant neuronal avalanches in the awake state

    Timothy Bellay, Andreas Klaus ... Dietmar Plenz
    Spontaneous, irregular spiking in single cortical pyramidal neurons assembles as neuronal avalanches at the group level identifying a robust scale-invariant organization of resting activity in the awake state.
    1. Neuroscience

    Misaligned feeding impairs memories

    Dawn H Loh, Shekib A Jami ... Christopher S Colwell
    The time at which mice consume food can dramatically affect hippocampal-dependent biochemistry, physiology, and learned behavior.
    1. Neuroscience

    IK1 channels do not contribute to the slow afterhyperpolarization in pyramidal neurons

    Kang Wang, Pedro Mateos-Aparicio ... John P Adelman
    The slow afterhyperpolarization that follows a burst of action potentials is a powerful regulator of neuronal excitability and is not due to IK1 (KCNN4), a member of the SK channel family.
    1. Neuroscience

    Neto auxiliary proteins control both the trafficking and biophysical properties of the kainate receptor GluK1

    Nengyin Sheng, Yun S Shi ... Roger A Nicoll
    Auxiliary subunits Neto1 and Neto2 regulate the GluK1 receptor targeting to excitatory silent synapses through different molecular mechanisms and also modify receptor biophysics through distinct mechanisms.

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