64 results found
    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. 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. Cancer Biology

    EHD2 overexpression promotes tumorigenesis and metastasis in triple-negative breast cancer by regulating store-operated calcium entry

    Haitao Luan, Timothy A Bielecki ... Hamid Band
    Identification of a pro-tumorigenic and pro-metastatic role of EHD2 protein in triple-negative breast cancer (TNBC) through the store-operated calcium entry (SOCE) pathway provides a rationale for potential targeting of EHD2-overexpressing TNBC with SOCE inhibitors.
    1. Cell Biology
    2. Neuroscience

    Transverse tubule remodeling enhances Orai1-dependent Ca2+ entry in skeletal muscle

    Antonio Michelucci, Simona Boncompagni ... Feliciano Protasi
    Structural and functional analyses show that transverse tubule association with stacks of sarcoplasmic reticulum enhances Orai1-dependent Ca2+ entry to replenish Ca2+ stores, maintain Ca2+ release, and maximize force during exercise.
    1. Structural Biology and Molecular Biophysics

    Conformational dynamics of auto-inhibition in the ER calcium sensor STIM1

    Stijn van Dorp, Ruoyi Qiu ... Richard S Lewis
    Single-molecule FRET measurements and protein crosslinking reveal the compact structure of quiescent STIM1 and the conformational rearrangements that enable it to activate store-operated calcium entry.
    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. Biochemistry and Chemical Biology

    Selective inhibition reveals the regulatory function of DYRK2 in protein synthesis and calcium entry

    Tiantian Wei, Jue Wang ... Xiaoguang Lei
    A potent and selective DYRK2 inhibitor has been developed and used as a chemical tool to reveal eukaryotic translation initiation factor 4E-binding protein 1 (4E-BP1) and stromal interaction molecule 1 (STIM1) are new substrates for DYRK2.
    1. Structural Biology and Molecular Biophysics

    Structural basis of TRPC4 regulation by calmodulin and pharmacological agents

    Deivanayagabarathy Vinayagam, Dennis Quentin ... Stefan Raunser
    Cryo-EM structures reveal how the canonical TRPC4 cation channel is regulated by calmodulin, and how it is modulated by pyridazinone-based inhibitors.
    1. Structural Biology and Molecular Biophysics

    Cell Signaling: The many states of STIM1

    Marc Fahrner, Christoph Romanin
    Harnessing single-molecule FRET illuminates the structural changes necessary for a protein to fine-tune the influx of calcium when reserves inside a cell run low.
    Version of Record
    Insight
    1. Developmental Biology

    Mechanism and consequence of abnormal calcium homeostasis in Rett syndrome astrocytes

    Qiping Dong, Qing Liu ... Qiang Chang
    Increased spontaneous calcium activity in Rett syndrome astrocytes is a key cell-autonomous phenotype that affects synaptic function and network activity.

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