611 results found
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Fuzzy supertertiary interactions within PSD-95 enable ligand binding

    George L Hamilton, Nabanita Saikia ... Mark E Bowen
    A combination of single molecule fluorescence with DMD simulations and disulfide mapping resolved the multistate structural landscape of the PSG supramodule from PSD-95, which explains how interdomain interactions within PSD-95 enable PDZ3 binding of the critical synaptic adhesion protein neuroligin.
    1. Neuroscience

    Associability-modulated loss learning is increased in posttraumatic stress disorder

    Vanessa M Brown, Lusha Zhu ... Pearl H Chiu
    Veterans with PTSD show increased attention to a history of unexpected outcomes during loss learning, both as measured by computational model-derived behavioral parameters and in increased neural signaling in amygdala and insula.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    Engineering paralog-specific PSD-95 recombinant binders as minimally interfering multimodal probes for advanced imaging techniques

    Charlotte Rimbault, Christelle Breillat ... Matthieu Sainlos
    Engineering new intrabodies allows to develop selective and non-interfering tools for the visualization of endogenous PSD-95 with advanced imaging techniques.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    A model for regulation by SynGAP-α1 of binding of synaptic proteins to PDZ-domain 'Slots' in the postsynaptic density

    Ward G Walkup IV, Tara L Mastro ... Mary B Kennedy
    The α1 isoform of synGAP restricts the binding of AMPA-receptors and other regulatory proteins to PSD-95, and thus regulates synaptic strength.
    1. Neuroscience

    Hippocampal neurogenesis enhancers promote forgetting of remote fear memory after hippocampal reactivation by retrieval

    Rie Ishikawa, Hotaka Fukushima ... Satoshi Kida
    Forgetting of remote fear memory is promoted by increased hippocampal neurogenesis only after hippocampal reactivation by long time memory retrieval.
    1. Computational and Systems Biology
    2. Neuroscience

    A taxonomy of seizure dynamotypes

    Maria Luisa Saggio, Dakota Crisp ... William C Stacey
    Taxonomy of seizure dynamics (TSD) provides a rigorous method for classifying and quantifying seizures and a principled framework for understanding seizure initiation and propagation.
    1. Cell Biology

    The peroxisome counteracts oxidative stresses by suppressing catalase import via Pex14 phosphorylation

    Kanji Okumoto, Mahmoud El Shermely ... Yukio Fujiki
    H2O2-induced phosphorylation at Ser232 of Pex14 spatiotemporally regulates peroxisomal import of catalase, functioning in counteracting action against oxidative stress by the increase of cytosolic catalase.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    Intramolecular domain dynamics regulate synaptic MAGUK protein interactions

    Nils Rademacher, Benno Kuropka ... Sarah A Shoichet
    Binding of ligands to PSD-95 PDZ domains induces a conformational change within the C-terminal domain module that enables differential binding to synaptic interactors.
    1. Neuroscience

    Activation of astrocytes in hippocampus decreases fear memory through adenosine A1 receptors

    Yulan Li, Lixuan Li ... Yan-Qin Yu
    A new strategy of memory consolidation disruption based on astrocyte and purinergic signaling, which leads to persistent fear memory attenuation accompanied by reduced fear-related anxiety behavior.
    1. Cell Biology

    Peroxisomal lactate dehydrogenase is generated by translational readthrough in mammals

    Fabian Schueren, Thomas Lingner ... Sven Thoms
    Whole-genome in silico screening for stop codon contexts that produce elevated translational readthrough and peroxisome targeting reveals that in mammals, the amount of lactate dehydrogenase in the peroxisome is controlled by translational readthrough.

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