2,206 results found
    1. Neuroscience

    AMPK acts as a molecular trigger to coordinate glutamatergic signals and adaptive behaviours during acute starvation

    Moloud Ahmadi, Richard Roy
    AMP-activated protein kinase directly coordinates glutamatergic signalling during starvation in C. elegans.
    1. Neuroscience

    Synaptic plasticity through activation of GluA3-containing AMPA-receptors

    Maria C Renner et al.
    A novel form of hippocampal synaptic plasticity is expressed by a change in channel function of GluA3-containing AMPA-receptors.
    1. Biochemistry and Chemical Biology

    AMPK signaling to acetyl-CoA carboxylase is required for fasting- and cold-induced appetite but not thermogenesis

    Sandra Galic et al.
    A single mutation in acetyl-CoA carboxylase blocking AMPK regulation inhibits food intake in mice in response to cold exposure or fasting causing them to lose weight.
    1. Developmental Biology
    2. Neuroscience

    Signalling through AMPA receptors on oligodendrocyte precursors promotes myelination by enhancing oligodendrocyte survival

    Eleni Kougioumtzidou et al.
    Electrically active axons in white matter stimulate their own myelination by releasing glutamate, which signals through AMPA-type glutamate receptors on nearby oligodendrocyte precursors and newly-differentiating oligodendrocytes, enhancing their survival and hence their ability to myelinate.
    1. Cell Biology

    AMPK and vacuole-associated Atg14p orchestrate μ-lipophagy for energy production and long-term survival under glucose starvation

    Arnold Y Seo et al.
    Upon AMPK activation by acute glucose restriction, Atg14p shifts its distribution from ER exit sites to liquid-ordered membrane domains on the vacuolar surface where, together with Atg6p, it facilitates LD-specific autophagy (i.e., microautophagy of lipid droplets) for energy production and long-term survival of starved cells.
    1. Cell Biology
    2. Computational and Systems Biology

    Size uniformity of animal cells is actively maintained by a p38 MAPK-dependent regulation of G1-length

    Shixuan Liu et al.
    The p38 MAPK pathway functions downstream of a cell-size-sensing process to coordinate cell size/growth with G1 progression in animal cells.
    1. Cell Biology
    2. Neuroscience

    MAPK signaling promotes axonal degeneration by speeding the turnover of the axonal maintenance factor NMNAT2

    Lauren J Walker et al.
    Genetic and biochemical analysis reveals that MAPK signaling promotes axon degeneration by modulating the turnover of axon-protective proteins.
    1. Neuroscience

    Synaptic transmission and plasticity require AMPA receptor anchoring via its N-terminal domain

    Jake F Watson et al.
    The positioning of AMPA-type glutamate receptors at synapses – a requirement for effective neurotransmission and synaptic plasticity – is orchestrated by their extracellular, N-terminal domain.
    1. Cancer Biology
    2. Cell Biology

    AMP-activated protein kinase fortifies epithelial tight junctions during energetic stress via its effector GIV/Girdin

    Nicolas Aznar et al.
    An effector of AMPK is essential for the kinase and its pharmacological activators, including Metformin, to strengthen cell-cell junctions and preserve epithelial cell polarity and barrier functions in the face of energetic stress, as well as to suppress oncogenesis.
    1. Cell Biology
    2. Neuroscience

    Synaptic activity regulates AMPA receptor trafficking through different recycling pathways

    Ning Zheng et al.
    There are at least two separate pathways for AMPA receptor recycling, which are regulated by synaptic activity.

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