66 results found
    1. Structural Biology and Molecular Biophysics

    A calcium transport mechanism for atrial fibrillation in Tbx5-mutant mice

    Wenli Dai et al.
    TBX5-loss associated cardiomyocyte ectopy and atrial fibrillation is prevented by augmentation of SERCA2 activity, establishing a mechanism underlying the genetic basis for a Ca2+-dependent pathway for AF risk.
    1. Developmental Biology

    Calcium handling precedes cardiac differentiation to initiate the first heartbeat

    Richard CV Tyser et al.
    High-resolution live imaging reveals how and when the mouse heart first starts to beat during development and how the onset of beating impacts on heart muscle cell maturation and heart formation.
    1. Biochemistry and Chemical Biology

    Dwarf open reading frame (DWORF) is a direct activator of the sarcoplasmic reticulum calcium pump SERCA

    M'Lynn E Fisher et al.
    Activation of the sarcoplasmic reticulum calcium pump and enhancement of cellular calcium homeostasis by dwarf open reading frame reveal how this small membrane protein opposes phospholamban inhibitory function in cardiac muscle.
    1. Ecology
    2. Genetics and Genomics

    Novel adverse outcome pathways revealed by chemical genetics in a developing marine fish

    Elin Sørhus et al.
    Global gene expression analysis unravels the underlying mechanisms for distinct crude oil induced defects in Atlantic haddock eggs and larvae.
    1. Cell Biology

    The DWORF micropeptide enhances contractility and prevents heart failure in a mouse model of dilated cardiomyopathy

    Catherine A Makarewich et al.
    Cardiac-specific overexpression of a recently discovered micropeptide, DWORF, enhances calcium cycling and contractility in the heart and rescues the heart failure phenotype of a genetic mouse model of dilated cardiomyopathy.
    1. Cell Biology

    Potassium dependent rescue of a myopathy with core-like structures in mouse

    M Gartz Hanson et al.
    A mouse model of human muscle myopathy is used to provide mechanistic insight, identify possible biomarkers of disease, and suggest possible therapeutic strategies to alleviate muscle weakness.
    1. Neuroscience

    Ablation of STAT3 in Purkinje cells reorganizes cerebellar synaptic plasticity in long-term fear memory network

    Jeong-Kyu Han et al.
    Cerebellar STAT3 is indispensable for proper expression of fear memory network processing.
    1. Cell Biology
    2. Neuroscience

    Frontotemporal dementia mutant Tau promotes aberrant Fyn nanoclustering in hippocampal dendritic spines

    Pranesh Padmanabhan et al.
    Super-resolution imaging reveals that the microtubule-associated protein Tau regulates the Fyn kinase organisation in dendrites, and that the frontotemporal dementia mutant Tau promotes aberrant Fyn clustering, potentially leading to synaptic dysfunction.
    1. Neuroscience

    Spatiotemporal dynamics of multi-vesicular release is determined by heterogeneity of release sites within central synapses

    Dario Maschi, Vitaly A Klyachko
    Release site heterogeneity represents a previously unknown level of structural and functional organization within individual active zones in central synapses, which determines the spatiotemporal dynamics of multi-vesicular release.
    1. Chromosomes and Gene Expression

    An ancient germ cell-specific RNA-binding protein protects the germline from cryptic splice site poisoning

    Ingrid Ehrmann et al.
    Cell division by meiosis during sperm production depends on expression of an RNA-binding protein that prevents abnormal RNA-processing pathways.

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