4,025 results found
    1. Neuroscience

    Corticostriatal dynamics encode the refinement of specific behavioral variability during skill learning

    Fernando J Santos, Rodrigo F Oliveira ... Rui M Costa
    Recordings from the mouse brain as animals learn a lever pressing task reveal how the motor system optimizes skill learning by reducing variability in those aspects of task performance that are essential for achieving a goal.
    1. Neuroscience

    Left-right side-specific endocrine signaling complements neural pathways to mediate acute asymmetric effects of brain injury

    Nikolay Lukoyanov, Hiroyuki Watanabe ... Georgy Bakalkin
    In addition to the well-established involvement of descending neural tracts, the left-right side-specific endocrine mechanism may contribute to signaling from injured brain to spinal motor circuits.
    1. Genetics and Genomics

    An internal promoter underlies the difference in disease severity between N- and C-terminal truncation mutations of Titin in zebrafish

    Jun Zou, Diana Tran ... Rahul C Deo
    The newly discovered Titin internal promoter may explain why the severity of dilated cardiomyopathy in patients with truncating mutations in Titin varies dramatically depending on position of the mutation.
    1. Biochemistry and Chemical Biology

    eIF1A residues implicated in cancer stabilize translation preinitiation complexes and favor suboptimal initiation sites in yeast

    Pilar Martin-Marcos, Fujun Zhou ... Alan G Hinnebusch
    Substitutions in general translation initiation factor eIF1A found as recurring somatic mutations in uveal melanoma destabilize the closed conformation of the preinitiation complex at the start codon and increase discrimination against suboptimal initiation codons genome-wide.
    1. Cell Biology
    2. Genetics and Genomics

    Calcineurin inhibition enhances Caenorhabditis elegans lifespan by defecation defects-mediated calorie restriction and nuclear hormone signaling

    Priyanka Das, Alejandro Aballay, Jogender Singh
    Calcineurin inhibition has opposing effects on Caenorhabditis elegans lifespan and survival on pathogens via its role in the defecation motor program.
    1. Neuroscience

    Forniceal deep brain stimulation induces gene expression and splicing changes that promote neurogenesis and plasticity

    Amy E Pohodich, Hari Yalamanchili ... Huda Y Zoghbi
    Forniceal deep brain stimulation is a promising treatment for several neuropsychiatric disorders as it upregulates synaptic and neurogenesis-associated genes, normalizes genes misregulated in Rett syndrome mice, and regulates genes altered in intellectual disability and major depression.
    1. Neuroscience

    Sleep deprivation causes memory deficits by negatively impacting neuronal connectivity in hippocampal area CA1

    Robbert Havekes, Alan J Park ... Ted Abel
    The loss of neuronal connectivity in a brain region called the hippocampus significantly contributes to the cognitive impairments associated with sleep deprivation.
    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    Modeling the metabolic interplay between a parasitic worm and its bacterial endosymbiont allows the identification of novel drug targets

    David M Curran, Alexandra Grote ... John Parkinson
    A genome scale model of Brugia malayi metabolism illustrates a dynamic reliance on energy production pathways across its life cycle and identifies new drugs with experimentally supported anti-parasitic properties.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Isobaric crosslinking mass spectrometry technology for studying conformational and structural changes in proteins and complexes

    Jie Luo, Jeff Ranish
    A novel pair of isobaric crosslinking reagents is described, which allow relative quantification of crosslinker-modified peptides during mass spectrometry analysis for comparative structural studies of proteins and protein complexes.
    1. Computational and Systems Biology
    2. Developmental Biology

    A repressor-decay timer for robust temporal patterning in embryonic Drosophila neuroblast lineages

    Inna Averbukh, Sen-Lin Lai ... Naama Barkai
    The demand for robust performance distinguishes the mechanism which progresses the biological timer acting within neural progenitors to determine neuronal fates in the Drosophila embryo.

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