3,119 results found
    1. Developmental Biology
    2. Neuroscience

    Application of optogenetic Amyloid-β distinguishes between metabolic and physical damages in neurodegeneration

    Chu Hsien Lim et al.
    An optogenetic approach has been developed to model Alzheimer's disease allowing light-induced Amyloid-β aggregation and tested in three model organisms, Drosophila, C. elegans and D. rerio.
    1. Neuroscience

    Rapid regulation of vesicle priming explains synaptic facilitation despite heterogeneous vesicle:Ca2+ channel distances

    Janus RL Kobbersmed et al.
    Heterogeneous distances between vesicles and Ca2+-channels make synapses prone to short-term depression, however, Ca2+-dependent increases in the number of release-ready vesicles supports facilitation even with broadly distributed vesicle:Ca2+-channel distances.
    1. Human Biology and Medicine

    Inflammatory osteolysis is regulated by site-specific ISGylation of the scaffold protein NEMO

    Naga Suresh Adapala et al.
    Site-specific modification of NEMO facilitates RANKL signal specificity in myeloid progenitors and serves as a potential target to modulate inflammatory osteolysis through ISG15-dependent autophagy.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Flexible linkers in CaMKII control the balance between activating and inhibitory autophosphorylation

    Moitrayee Bhattacharyya et al.
    Differences in the flexible linkers connecting the kinase domain to an oligomeric hub modulate CaMKII activity by changing the balance between activating and inhibitory autophosphorylation.
    1. Structural Biology and Molecular Biophysics

    Gating and selectivity mechanisms for the lysosomal K+ channel TMEM175

    SeCheol Oh et al.
    Structures of the non-canonical potassium channel TMEM175 in open and closed states reveal unique mechanisms for channel gating and the selective permeation of K+ ions.
    1. Cell Biology
    2. Computational and Systems Biology

    Deciphering anomalous heterogeneous intracellular transport with neural networks

    Daniel Han et al.
    Direct estimation of the Hurst exponent shows that endosomes and lysosomes reside in regimes of persistent and anti-persistent motion with heavy-tailed residence time distributions and motion correlated with endocytic function.
    1. Cell Biology

    β3-Adrenoceptor redistribution impairs NO/cGMP/PDE2 signalling in failing cardiomyocytes

    Sophie Schobesberger et al.
    β3-AR signalling via cGMP in cardiomyocytes is regulated via phosphodiesterase 2 and 5 degradation, it is potentially cardioprotective, but dysregulated in heart failure through signal redistribution and higher phosphodiesterase activity.
    1. Neuroscience

    Separable gain control of ongoing and evoked activity in the visual cortex by serotonergic input

    Zohre Azimi et al.
    Serotonergic input to visual cortex controls ongoing and evoked activity in a separable manner via distinct receptor pathways.
    1. Microbiology and Infectious Disease

    An atypical DYRK kinase connects quorum-sensing with posttranscriptional gene regulation in Trypanosoma brucei

    Mathieu Cayla et al.
    A trypanosome DYRK kinase that exhibits fundamental differences to conventional DYRK family regulation links parasite quorum sensing, signal transduction and developmental gene expression.
    1. Human Biology and Medicine
    2. Stem Cells and Regenerative Medicine

    Increase of circulating IGFBP-4 following genotoxic stress and its implication for senescence

    Nicola Alessio et al.
    Protein IGFBP-4 acts as a genotoxic stress mediator that, entering into circulation after its secretion by senescent cells, could promote further senescence phenomena in non-injured cells thus impairing tissues’ homeostasis.

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