208 results found
    1. Neuroscience

    Acute stress enhances adult rat hippocampal neurogenesis and activation of newborn neurons via secreted astrocytic FGF2

    Elizabeth D Kirby, Sandra E Muroy ... Daniela Kaufer
    Exposing rats to acute stress increased the generation of new neurons in a subregion of the hippocampus, and improved the animals' performance in a memory task two weeks later.
    1. Developmental Biology

    Apoptotic cells can induce non-autonomous apoptosis through the TNF pathway

    Ainhoa Pérez-Garijo, Yaron Fuchs, Hermann Steller
    A common mechanism might regulate the communal death of cells in flies and mammals.
    1. Neuroscience
    2. Medicine

    Common resting brain dynamics indicate a possible mechanism underlying zolpidem response in severe brain injury

    Shawniqua T Williams, Mary M Conte ... Nicholas D Schiff
    The therapeutic effects of the sleeping pill zolpidem in patients with disorders of consciousness may be due to recruitment of brain cells idling in abnormally low-frequency brain waves.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Massive palmitoylation-dependent endocytosis during reoxygenation of anoxic cardiac muscle

    Mei-Jung Lin, Michael Fine ... Donald W Hilgemann
    Reoxygenation of anoxic cardiac tissue promotes massive endocytosis that is triggered by release of coenzymeA from mitochondria, followed by palmitoylation of membrane proteins, sarcolemma vesiculation, and transfer of sarolemma vesicles to large endosomes and vacuoles.
    1. Stem Cells and Regenerative Medicine

    Nrg1 is an injury-induced cardiomyocyte mitogen for the endogenous heart regeneration program in zebrafish

    Matthew Gemberling, Ravi Karra ... Kenneth D Poss
    Neuregulin1 is induced upon cardiac injury in adult zebrafish, and is sufficient to drive massive proliferative growth of the heart.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A conserved histidine modulates HSPB5 structure to trigger chaperone activity in response to stress-related acidosis

    Ponni Rajagopal, Eric Tse ... Rachel E Klevit
    Small decreases in pH associated with cellular stress conditions unleash a cryptic mode of client binding in a ubiquitously expressed human small heat shock protein that is more effective at delaying client aggregation.
    1. Cell Biology
    2. Neuroscience

    Tissue acidosis induces neuronal necroptosis via ASIC1a channel independent of its ionic conduction

    Yi-Zhi Wang, Jing-Jing Wang ... Tian-Le Xu
    An interaction between the ion channel ASIC1a and the protein RIP1 is responsible for neuronal death caused by tissue acidosis.
    1. Neuroscience

    Optimal level activity of matrix metalloproteinases is critical for adult visual plasticity in the healthy and stroke-affected brain

    Justyna Pielecka-Fortuna, Evgenia Kalogeraki ... Siegrid Löwel
    Matrix metalloproteinases play a crucial role in adult visual plasticity in the brains of healthy and stroke-affected mice and their activity has to be within a narrow window for experience-induced plasticity to occur.
    1. Cell Biology
    2. Neuroscience

    The p38 MAP kinase pathway modulates the hypoxia response and glutamate receptor trafficking in aging neurons

    Eun Chan Park, Christopher Rongo
    The subcellular localization of the prolyl hydroxylase oxygen sensor in C. elegans neurons is regulated by p38 MAP kinase signaling.
    1. Neuroscience

    Mapping oxygen concentration in the awake mouse brain

    Declan G Lyons, Alexandre Parpaleix ... Serge Charpak
    Two-photon phosphorescence lifetime microscopy reveals the physiological values of oxygen concentration and blood flow parameters in the brains of awake mice.

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