278 results found
    1. Neuroscience

    Live calcium and mitochondrial imaging in the enteric nervous system of Parkinson patients and controls

    An-Sofie Desmet et al.
    In contrast to previous post-mortem or fixed tissue histochemical reports, live calcium and mitochondrial imaging data suggest that the enteric nervous system is not generally affected in Parkinson's disease patients.
    1. Biochemistry and Chemical Biology

    Dual functions of a small regulatory subunit in the mitochondrial calcium uniporter complex

    Ming-Feng Tsai et al.
    Studies of EMRE, one of the four essential protein subunits in the mitochondrial calcium uniporter complex that regulates calcium ion levels in mitochondria, reveal new details about the physical interactions between the subunits.
    1. Cell Biology

    3D visualization of mitochondrial solid-phase calcium stores in whole cells

    Sharon Grayer Wolf et al.
    Mammalian mitochondria in living cells store calcium phosphate in solid form.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The conserved aspartate ring of MCU mediates MICU1 binding and regulation in the mitochondrial calcium uniporter complex

    Charles B Phillips et al.
    Biochemical analysis reveals molecular mechanisms underlying the activation of the mitochondrial Ca2+ uniporter by intracellular Ca2+ signals.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    MCU encodes the pore conducting mitochondrial calcium currents

    Dipayan Chaudhuri et al.
    Genetic and electrophysiological experiments reveal that a gene called MCU encodes the ion channel pore that allows calcium ions to cross the inner mitochondrial membrane.
    1. Cell Biology
    2. Neuroscience

    Presenilin mutations deregulate mitochondrial Ca2+ homeostasis and metabolic activity causing neurodegeneration in Caenorhabditis elegans

    Shaarika Sarasija et al.
    In C. elegans, presenilin functions, independent of its gamma-secretase proteolytic activity, to regulate mitochondrial metabolism by controlling ER-mitochondrial calcium transfer and, even in the absence of Abeta signaling, loss of this activity leads to neurodegeneration.
    1. Developmental Biology
    2. Neuroscience

    Synaptic mitochondria regulate hair-cell synapse size and function

    Hiu-tung C Wong et al.
    Mitochondrial calcium influx plays distinct roles in presynapse formation, function and stability in sensory hair cells.
    1. Biochemistry and Chemical Biology

    Ion Channels: Keeping a lid on calcium uptake

    Vivek Garg, Yuriy Kirichok
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    1. Immunology and Inflammation

    Mitochondrial Ca2+ and membrane potential, an alternative pathway for Interleukin 6 to regulate CD4 cell effector function

    Rui Yang et al.
    Interleukin 6 (IL-6) can mediate pathogenesis of autoimmune diseases through its effects on mitochondrial function.

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