351 results found
    1. Cell Biology
    2. Neuroscience

    Antagonistic roles for Ataxin-2 structured and disordered domains in RNP condensation

    Amanjot Singh, Joern Hulsmeier ... Baskar Bakthavachalu
    Ataxin-2 interacts with neuronal mRNA in RNP granules.
    1. Genetics and Genomics
    2. Neuroscience

    Mutation in ATG5 reduces autophagy and leads to ataxia with developmental delay

    Myungjin Kim, Erin Sandford ... Margit Burmeister
    A genetic mutation that impairs autophagic flux leads to neurodegeneration and can cause ataxia and developmental delay in children.
    1. Neuroscience

    A positive feedback loop linking enhanced mGluR function and basal calcium in spinocerebellar ataxia type 2

    Pratap Meera, Stefan Pulst, Thomas Otis
    A damaging form of positive feedback linking elevated calcium levels and metabotropic glutamate receptor function in Purkinje neurons plays a critical role in the pathology in spinocerebellar ataxias.
    1. Cell Biology
    2. Neuroscience

    Ataxin-7 and Non-stop coordinate SCAR protein levels, subcellular localization, and actin cytoskeleton organization

    Veronica Cloud, Ada Thapa ... Ryan D Mohan
    An unbiased biochemical screen reveals a direct link between gene regulation and actin cytoskeleton remodeling.
    1. Neuroscience

    Inducible and reversible phenotypes in a novel mouse model of Friedreich’s Ataxia

    Vijayendran Chandran, Kun Gao ... Daniel H Geschwind
    Restoration of endogenous frataxin levels reverses neurologic and cardiac phenotypes associated with Friedreich's ataxia in adult mice even after significant motor dysfunction.
    1. Neuroscience

    Cerebellar nuclei cells produce distinct pathogenic spike signatures in mouse models of ataxia, dystonia, and tremor

    Meike E van der Heijden, Amanda M Brown ... Roy V Sillitoe
    Ataxia, dystonia, and tremor phenotypes have distinct and generalizable cerebellar interposed nucleus spike signatures in mice, with defining features identified using a classifier model and pathogenicity tested using optogenetic manipulations.
    1. Neuroscience

    Shared and specific signatures of locomotor ataxia in mutant mice

    Ana S Machado, Hugo G Marques ... Megan R Carey
    LocoMouse analysis of severely ataxic reeler mutant mice reveals fundamental features of locomotor ataxia and provides a roadmap for linking high-dimensional behavioral phenotyping to alterations in underlying neural circuits.
    1. Neuroscience

    A novel, ataxic mouse model of ataxia telangiectasia caused by a clinically relevant nonsense mutation

    Harvey Perez, May F Abdallah ... Paul J Mathews
    Progressive changes in Purkinje neuron perturbations and overall cerebellar atrophy correlate for the first time with the development of an overt loss of motor function in a novel mouse model of Ataxia Telangiectasia.
    1. Neuroscience

    A native interactor scaffolds and stabilizes toxic ATAXIN-1 oligomers in SCA1

    Cristian A Lasagna-Reeves, Maxime WC Rousseaux ... Huda Y Zoghbi
    Studies in a mouse model of spinocerebellar ataxia type 1 show that a protein called capicua stabilizes toxic ataxin-1 oligomers offering a possible explanation for regional patterns of neurodegeneration.
    1. Neuroscience

    A quantitative framework for whole-body coordination reveals specific deficits in freely walking ataxic mice

    Ana S Machado, Dana M Darmohray ... Megan R Carey
    Analysis of 3D paw kinematics and whole-body coordination in freely walking mice isolates specific features of gait ataxia and supports the hypothesis that the cerebellum provides an internal forward model for motor control.

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