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  • Title: Methods to Monitor and Manipulate TFEB Activity During Autophagy.
    Author: Medina DL, Settembre C, Ballabio A.
    Journal: Methods Enzymol; 2017; 588():61-78. PubMed ID: 28237119.
    Abstract:
    Macroautophagy is a catabolic process deputed to the turnover of intracellular components. Recent studies have revealed that transcriptional regulation is a major mechanism controlling autophagy. Currently, more than 20 transcription factors have been shown to modulate cellular autophagy levels. Among them, the transcription factor EB (TFEB) appears to have the broadest proautophagy role, given its capacity to control the biogenesis of lysosomes and autophagosomes, the two main organelles required for the autophagy pathway. TFEB has attracted major attention owing to its ability to enhance cellular clearance of pathogenic substrates in a variety of animal models of disease, such as lysosomal storage disorders, Parkinson's, Alzheimer's, α1-antitrypsin, obesity as well as others, suggesting that the TFEB pathway represents an extraordinary possibility for future development of innovative therapies. Importantly, the subcellular localization and activity of TFEB are regulated by its phosphorylation status, suggesting that TFEB activity can be pharmacologically targeted. Given the growing list of common and rare diseases in which manipulation of autophagy may be beneficial, in this chapter we describe a set of validated protocols developed to modulate and analyze TFEB-mediated enhancement of autophagy both in vitro and in vivo conditions.
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