FLCN, A Novel Autophagy Component, Interacts With GABARAP And Is Regulated By ULK1 Phosphorylation

    July 2014 in “ Autophagy
    Elaine A. Dunlop, Sara Seifan, Tijs Claessens, Christian Behrends, M. Kamps, Ewelina Rozycka, Alain J. Kemp, Ravi K. Nookala, John Blenis, Barry J. Coull, James T. Murray, M.A.M. van Steensel, Simon Wilkinson, Andrew R. Tee
    TLDR The protein FLCN is involved in cellular cleanup and is regulated by ULK1.
    The study identified folliculin (FLCN) as a novel component of the autophagy process, interacting with GABARAP and regulated by ULK1 phosphorylation. Loss of FLCN impaired autophagic flux, which was rescued by re-expression of FLCN. The research highlighted FLCN's role in cellular homeostasis and its potential implications in diseases related to autophagy dysfunction, such as BHD syndrome, where impaired autophagy and elevated autophagy markers were observed in renal tumors. The findings provided new insights into the molecular mechanisms of autophagy and suggested potential therapeutic targets for related diseases.
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