11 results found
    1. Cell Biology

    An essential and NSF independent role for α-SNAP in store-operated calcium entry

    Yong Miao, Cathrine Miner ... Monika Vig
    α-SNAP mediated rearrangement of Stim1 and Orai1 molecules within CRAC channel clusters is required for store-operated calcium entry.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The serine protease hepsin mediates urinary secretion and polymerisation of Zona Pellucida domain protein uromodulin

    Martina Brunati, Simone Perucca ... Luca Rampoldi
    Hepsin is the first protease identified to modulate specific cleavage and secretion of a Zona Pellucida domain protein, uromodulin.
    1. Cell Biology

    Defective STIM-mediated store operated Ca2+ entry in hepatocytes leads to metabolic dysfunction in obesity

    Ana Paula Arruda, Benedicte Mengel Pers ... Gökhan S Hotamisligil
    Store operated calcium entry is defective in hepatocytes of obese mice, and restoring this process is sufficient to improve glucose metabolism.
    1. Cell Biology

    GRAM domain proteins specialize functionally distinct ER-PM contact sites in human cells

    Marina Besprozvannaya, Eamonn Dickson ... Jodi Nunnari
    Functionally distinct ER-PM domains in human cells are defined by conserved GRAM domain containing proteins.
    1. Biochemistry and Chemical Biology

    A secretory pathway kinase regulates sarcoplasmic reticulum Ca2+ homeostasis and protects against heart failure

    Adam J Pollak, Canzhao Liu ... Jack E Dixon
    Protein phosphorylation within the lumen of the secretory pathway regulates cardiac function.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Mitochondria supply ATP to the ER through a mechanism antagonized by cytosolic Ca2+

    Jing Yong, Helmut Bischof ... Randal J Kaufman
    ATP enters the endoplasmic reticulum (ER) lumen through an SLC35B1/AXER-dependentCaATiER mechanism, and ATP usage in the ER renders 'anti-Warburg' effect by increasing ATP regeneration from OxPhos while decreasing glycolysis.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    AKAP79 enables calcineurin to directly suppress protein kinase A activity

    Timothy W Church, Parul Tewatia ... Matthew G Gold
    Discovery of a non-canonical mechanism for decreasing protein kinase A activity that does not require lowering of cyclic AMP.
    1. Cell Biology
    2. Neuroscience

    Regulation of store-operated Ca2+ entry by IP3 receptors independent of their ability to release Ca2+

    Pragnya Chakraborty, Bipan Kumar Deb ... Gaiti Hasan
    Binding of the second messenger inositol 1,4,5-trisphosphate to its intracellular receptor drives interaction between the intracellular Ca2+ sensor STIM and the plasma membrane localized Ca2+ channel Orai and raises the level of store-operated Ca2+ entry in mammalian cells.
    1. Genetics and Genomics
    2. Immunology and Inflammation

    Sustained store-operated calcium entry utilizing activated chromatin state leads to instability in iTregs

    Huiyun Lyu, Guohua Yuan ... Yan Shi
    Multidimensional study of signaling pathways and epigenomics investigates how TCR (T cell receptor) signaling and chromatin landscape interpaly and impact on Treg stability.
    1. Immunology and Inflammation

    ER-to-lysosome Ca2+ refilling followed by K+ efflux-coupled store-operated Ca2+ entry in inflammasome activation and metabolic inflammation

    Hyereen Kang, Seong Woo Choi ... Myung-Shik Lee
    The role of lysosomal Ca2+ flux associated with K+ efflux, a well-known event in inflammasome activation in metabolic inflammation and inflammasome activation, has been presented.

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