67 results found
    1. Structural Biology and Molecular Biophysics

    NPAS1-ARNT and NPAS3-ARNT crystal structures implicate the bHLH-PAS family as multi-ligand binding transcription factors

    Dalei Wu, Xiaoyu Su ... Fraydoon Rastinejad
    Detailed structural analysis of NPAS1-ARNT and NPAS3-ARNT complexes, and further comparisons with other bHLH-PAS protein structures, show that this family of mammalian transcription factors have distinct ligand-binding pockets within their molecular architectures.
    1. Neuroscience

    NPAS4 in the medial prefrontal cortex mediates chronic social defeat stress-induced anhedonia-like behavior and reductions in excitatory synapses

    Brandon W Hughes, Benjamin M Siemsen ... Makoto Taniguchi
    Social defeat stress induces transcription factor Npas4 expression in the medial prefrontal cortex and its chronic stress-induced changes in excitatory synaptic transmission, reduction of dendritic spine density, and anhedonia-like behaviors.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Insulin-producing β-cells regenerate ectopically from a mesodermal origin under the perturbation of hemato-endothelial specification

    Ka-Cheuk Liu, Alethia Villasenor ... Olov Andersson
    Genetic analyses revealed the remarkable plasticity of mesodermal cells to differentiate across the germ layers to form insulin-producing β-cells, which are normally of endodermal origin.
    1. Neuroscience

    NPAS4 recruits CCK basket cell synapses and enhances cannabinoid-sensitive inhibition in the mouse hippocampus

    Andrea L Hartzell, Kelly M Martyniuk ... Brenda L Bloodgood
    Behaviorally-driven expression of the immediate early gene transcription factor NPAS4 changes local circuit connectivity and short-term plasticity by selectively recruiting CCK basket cell synapses to pyramidal neuron somas.
    1. Medicine
    2. Stem Cells and Regenerative Medicine

    Therapeutic downregulation of neuronal PAS domain 2 (Npas2) promotes surgical skin wound healing

    Yoichiro Shibuya, Akishige Hokugo ... Reza Jarrahy
    A small molecule compound Dwn1, identified through high-throughput screening using Npas2 as the molecular target, enhances wound healing in a murine incisional wound model.
    1. Neuroscience

    REST/NRSF drives homeostatic plasticity of inhibitory synapses in a target-dependent fashion

    Cosimo Prestigio, Daniele Ferrante ... Pietro Baldelli
    A combination of electrophysiological, immunocytochemical, and biochemical approaches elucidate the mechanisms by which the transcriptional regulator REST/NRSF rescues neuronal homeostasis by upregulating GABAergic transmission selectively onto excitatory neurons in response to hyperactivity.
    1. Evolutionary Biology

    The last common ancestor of animals lacked the HIF pathway and respired in low-oxygen environments

    Daniel B Mills, Warren R Francis ... Gert Wörheide
    Sponges and ctenophores lack hypoxia-inducible factors, suggesting that the metazoan last common ancestor could have lived aerobically under severe hypoxia and did not need to regulate its transcription in response to oxygen availability.
    1. Neuroscience

    A robust activity marking system for exploring active neuronal ensembles

    Andreas T Sørensen, Yonatan A Cooper ... Yingxi Lin
    A new system for tagging activated neuronal population offers multiple advantages over existing systems based on immediate early genes, including greater sensitivity and specificity, and suitability for easy application in species other than mice.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    Cyclin-dependent kinase 5 (CDK5) regulates the circadian clock

    Andrea Brenna, Iwona Olejniczak ... Urs Albrecht
    Cyclin-dependent kinase 5 regulates the circadian clock involving phosphorylation of the PER2 protein.
    1. Neuroscience

    Single-cell transcriptomes and whole-brain projections of serotonin neurons in the mouse dorsal and median raphe nuclei

    Jing Ren, Alina Isakova ... Liqun Luo
    The combination of single-cell transcriptomics and whole-brain mapping of bulk and single-cell projections reveals the relationship between the molecular architecture, cell body distribution, and axonal arborization of serotonin neurons.

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