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Calcium

  • RESEARCH ARTICLE
    Drp1-mediated mitochondrial fission regulates calcium and F-actin dynamics during wound healing
    Susana Ponte, Lara Carvalho, Maria Gagliardi, Isabel Campos, Paulo J. Oliveira, António Jacinto
    Biology Open 2020 9: bio048629 doi: 10.1242/bio.048629 Published 3 May 2020

    Summary: We show that mitochondrial dynamics proteins are required for epithelial repair. Drp1 loss-of-function leads to defects in the dynamics of cytosolic and mitochondrial calcium, ROS production and F-actin upon wounding.

  • RESEARCH ARTICLE
    Inhalation of marijuana affects Drosophila heart function
    Ivana M. Gómez, Maia A. Rodríguez, Manuela Santalla, George Kassis, Jorge E. Colman Lerner, J. Oswaldo Aranda, Daniela Sedán, Dario Andrinolo, Carlos A. Valverde, Paola Ferrero
    Biology Open 2019 8: bio044081 doi: 10.1242/bio.044081 Published 15 August 2019

    Summary: Marijuana induces early arrhythmogenesis and increases contractility in Drosophila. Our approach using this animal model allows us to carry out screenings to explore the impact of cannabinoids.

  • RESEARCH ARTICLE
    Potassium fertilization arrests malate accumulation and alters soluble sugar metabolism in apple fruit
    Wen Zhang, Xian Zhang, Yufei Wang, Nishang Zhang, Yanping Guo, Xiaolin Ren, Zhengyang Zhao
    Biology Open 2018 7: bio024745 doi: 10.1242/bio.024745 Published 14 December 2018

    Summary: Optimized potassium levels not only reduce malate levels but also improve fructose and sucrose accumulation in apple fruit.

  • RESEARCH ARTICLE
    Enhanced store-operated Ca2+ influx and ORAI1 expression in ventricular fibroblasts from human failing heart
    Gracious R. Ross, Tanvir Bajwa, Jr, Stacie Edwards, Larisa Emelyanova, Farhan Rizvi, Ekhson L. Holmuhamedov, Paul Werner, Francis X. Downey, A. Jamil Tajik, Arshad Jahangir
    Biology Open 2017 6: 326-332; doi: 10.1242/bio.022632

    Summary: The excessive collagen secretory phenotype found in failing human hearts is associated with ventricular fibroblast remodeling, caused by an elevated influx of intracellular calcium via SOC channels.

  • RESEARCH ARTICLE
    Calcium homeostasis alterations in a mouse model of the Dynamin 2-related centronuclear myopathy
    Bodvaël Fraysse, Pascale Guicheney, Marc Bitoun
    Biology Open 2016 5: 1691-1696; doi: 10.1242/bio.020263

    Summary: Dynamin 2 mutations cause centronuclear myopathy via unclear mechanisms. We show in a mouse model that changes in cytosolic calcium via incorrect membrane permeability correlate with muscle weakness.

  • RESEARCH ARTICLE
    Expression and preliminary characterization of human MICU2
    Dan Li, Wenping Wu, Hairun Pei, Qiang Wei, Qingzhan Yang, Jimin Zheng, Zongchao Jia
    Biology Open 2016 5: 962-969; doi: 10.1242/bio.018572

    Summary: Ca2+ induces a monomer-dimer switch of MICU2, with the associated conformational change governed by its first EF-hand, but not influenced by the C-helix domain. A disulfide bond and salt bridge each contribute to MICU1-MICU2 heterodimer formation.

  • RESEARCH ARTICLE
    VEGF-A isoform-specific regulation of calcium ion flux, transcriptional activation and endothelial cell migration
    Gareth W. Fearnley, Alexander F. Bruns, Stephen B. Wheatcroft, Sreenivasan Ponnambalam
    Biology Open 2015 4: 731-742; doi: 10.1242/bio.201410884

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