Journal
TRENDS IN CELL BIOLOGY
Volume 21, Issue 4, Pages 195-201Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tcb.2010.12.006
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Funding
- Deutsche Forschungsgemeinschaft
- Goethe University Frankfurt [EXC115]
- European Research Council (ERC) [250241-LineUb]
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Autophagy is a highly conserved process that allows cells, tissues and organs to survive onslaughts such as nutrient deprivation, inflammation, hypoxia and other stresses. The core component proteins that regulate autophagy are well known, and the formation of a double-membrane structure that encompasses cytosolic cargo, including protein aggregates and organelles, has been intensively studied. However, less is known about the inputs that specifically alter recruitment of these components and how post-translational modifications can influence autophagy flux, or the rate at which autophagy substrates are turned over. We propose that three types of post-translational modifications - phosphorylation, ubiquitylation and acetylation - are crucial for autophagy induction, regulation and fine-tuning, and are influenced by a variety of stimuli. Understanding these novel mechanisms of autophagy regulation will give us deeper insights into this process and potentially open up therapeutic avenues.
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