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    1. Neuroscience

    Beyond excitation/inhibition imbalance in multidimensional models of neural circuit changes in brain disorders

    Cian O'Donnell, J Tiago Gonçalves ... Terrence J Sejnowski
    Computational modeling and analysis of mouse neural population data finds that the excitation/inhibition imbalance theory of brain disorders is too limited to account for key changes in neural activity statistics.
    1. Genetics and Genomics
    2. Neuroscience

    Enrichment of SARM1 alleles encoding variants with constitutively hyperactive NADase in patients with ALS and other motor nerve disorders

    Jonathan Gilley, Oscar Jackson ... Michael P Coleman
    Rare SARM1 alleles encoding SARM1 variants that have constitutively high NADase activity and sensitise cultured neurons to mild stress are risk alleles for ALS and other, related motor disorders.
    1. Neuroscience

    Analysis of SUMO1-conjugation at synapses

    James A Daniel, Benjamin H Cooper ... Marilyn Tirard
    Analyses using His6-HA-SUMO1 and SUMO1 KO mice indicate that SUMO1 modification of synaptic proteins is either absent or cannot be detected in brain and cultured neurons.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Pdgfra marks a cellular lineage with distinct contributions to myofibroblasts in lung maturation and injury response

    Rongbo Li, Ksenija Bernau ... Xin Sun
    Lineage tracing using a knockin Pdgfra-rtTA tool indicates distinct contributions of this cell lineage to myofibroblasts in normal development, fibrosis and bronchopulmonary dysplasia models.
    1. Cell Biology
    2. Developmental Biology

    An efficient and scalable pipeline for epitope tagging in mammalian stem cells using Cas9 ribonucleoprotein

    Pooran Singh Dewari, Benjamin Southgate ... Steven M Pollard
    Biochemical tags can be easily knocked into endogenous genes in mammalian stem cells using optimised and scalable protocols that will enable annotation of protein levels, localisation and interaction partners.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    On demand expression control of endogenous genes with DExCon, DExogron and LUXon reveals differential dynamics of Rab11 family members

    Jakub Gemperle, Thomas S Harrison ... Patrick T Caswell
    DExCon, LUXon, and DExogron approaches simultaneously block endogenous gene expression and permit tuning of re-expression levels in time and space; proof-of-principle reveals unforeseen differences in protein kinetics, cargo handling, and cell migration regulation between closely related Rab11 family members.
    1. Cell Biology
    2. Neuroscience

    Developmental mechanism of the periodic membrane skeleton in axons

    Guisheng Zhong, Jiang He ... Xiaowei Zhuang
    Super-resolution imaging reveals how the skeleton that supports the outer membrane of axons is assembled during development, and provides an explanation for why this structure preferentially forms in axons but rarely in dendrites.
    1. Neuroscience

    Sonic Hedgehog switches on Wnt/planar cell polarity signaling in commissural axon growth cones by reducing levels of Shisa2

    Keisuke Onishi, Yimin Zou
    Sonic Hedgehog signaling may temporally and spatially activate planar cell polarity signaling for cellular and tissue morphogenesis.
    1. Neuroscience

    Visualizing synaptic plasticity in vivo by large-scale imaging of endogenous AMPA receptors

    Austin R Graves, Richard H Roth ... Richard L Huganir
    A knockin mouse line was made to label endogenous AMPA receptors, enabling direct observation of synaptic plasticity in behaving animals with single-synapse resolution across the entire brain.