Browsing by Author "Brouwers, Nathalie"

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  • Cruz-Garcia, David; Brouwers, Nathalie; Duran, Juan M.; Mora, Gabriel; Curwin, Amy; Malhotra, Vivek (Rockefeller University Press, 2017)
    The nutrient starvation-specific unconventional secretion of Acb1 in Saccharomyces cerevisiae requires ESCRT-I, -II, and -III and Grh1. In this study, we report that another signal sequence lacking cytoplasmic protein, ...
  • Lujan, Agustin Leonardo; Foresti, Ombretta; Sugden, Conor; Brouwers, Nathalie; Farre, Alex Mateo; Vignoli, Alessio; Azamian, Mahshid; Turner, Alicia; Wojnacki, José; Malhotra, Vivek (eLife, 2023)
    We show that TANGO2 in mammalian cells localizes predominantly to mitochondria and partially at mitochondria sites juxtaposed to lipid droplets (LDs) and the endoplasmic reticulum. HepG2 cells and fibroblasts of patients ...
  • Curwin, Amy; Brouwers, Nathalie; Alonso Y Adell, Manuel; Teis, David; Turacchio, Gabriele; Parashuraman, Seetharaman; Ronchi, Paolo; Malhotra, Vivek (eLife, 2016)
    The unconventional secretory pathway exports proteins that bypass the endoplasmic reticulum. In Saccharomyces cerevisiae, conditions that trigger Acb1 secretion via this pathway generate a Grh1 containing compartment ...
  • Chiritoiu, Marioara; Brouwers, Nathalie; Turacchio, Gabriele; Pirozzi, Marianella; Malhotra, Vivek (Elsevier, 2019)
    Signal-sequence-lacking interleukin (IL)-1β, is cleaved by caspase-1 to mature mIL-1β, which is secreted, without entering the endoplasmic reticulum. We report that macrophages of GRASP55-/- mice are defective in mIL-1β ...
  • Cantero Recasens, Gerard, 1984-; Butnaru, Cristian M.; Valverde, M. A. (Miguel Ángel), 1963-; Naranjo, José R.; Brouwers, Nathalie; Malhotra, Vivek (eLife, 2018)
    Regulated mucin secretion from specialized goblet cells by exogenous agonist-dependent (stimulated) and -independent (baseline) manner is essential for the function of the epithelial lining. Over extended periods, baseline ...
  • Bassaganyas Bars, Laia, 1985-; Popa, Stephanie J.; Horlbeck, Max; Puri, Claudia; Stewart, Sarah E.; Campelo, Felix; Ashok, Anupama, 1985-; Butnaru, Cristian M.; Brouwers, Nathalie; Heydari, Kartoosh; Ripoche, Jean; Weissman, Jonathan; Rubinsztein, David C.; Schekman, Randy; Malhotra, Vivek; Moreau, Kevin; Villeneuve, Julien (Rockefeller University Press, 2019)
    Protein and membrane trafficking pathways are critical for cell and tissue homeostasis. Traditional genetic and biochemical approaches have shed light on basic principles underlying these processes. However, the list of ...
  • Cruz-Garcia, David; Brouwers, Nathalie; Malhotra, Vivek; Curwin, Amy (Rockefeller University Press, 2020)
    Nutrient deprivation triggers the release of signal-sequence-lacking Acb1 and the antioxidant superoxide dismutase 1 (SOD1). We now report that secreted SOD1 is functionally active and accompanied by export of other ...
  • Cantero Recasens, Gerard, 1984-; Butnaru, Cristian M.; Brouwers, Nathalie; Mitrovic, Sandra; Valverde, M. A. (Miguel Ángel), 1963-; Malhotra, Vivek (American Society for Biochemistry and Molecular Biology (ASBMB), 2019)
    Regulated mucin secretion is essential for the formation of the mucus layer that protects the underlying epithelial cells from foreign particles. Alterations in the quantity or quality of secreted mucins are therefore ...
  • Wojnacki, José; Lujan, Agustin Leonardo; Brouwers, Nathalie; Aranda Vallejo, Carla; Bigliani, Gonzalo; Pena Rodriguez, Maria; Foresti, Ombretta; Malhotra, Vivek (Nature Research, 2023)
    Agonist-mediated stimulated pathway of mucin and insulin release are biphasic in which rapid fusion of pre-docked granules is followed by slow docking and fusion of granules from the reserve pool. Here, based on a cell-culture ...

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