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Updated: May 20, 2026

Cell-Based Drug Screening for Inhibitors of Autophagy Related 4B Cysteine Peptidase
Published on: June 30, 2023
New targets for acetylation in autophagy
1INSERM U984, University Paris-Sud 11, 92296 Châtenay-Malabry, France.
Macroautophagy, a cellular recycling process, is regulated by protein acetylation. This conserved mechanism helps cells survive stress by degrading damaged components.
Area of Science:
- Cellular Biology
- Molecular Biology
- Biochemistry
Background:
- Macroautophagy is a fundamental cellular process for maintaining homeostasis.
- It enables cells to survive various stresses like nutrient deprivation and hypoxia.
- The process involves numerous autophagy-related (Atg) proteins and complex signaling networks.
Purpose of the Study:
- To explore the role of protein acetylation in regulating macroautophagy.
- To understand how posttranslational modifications impact autophagic pathways.
Main Methods:
- Investigated the role of protein acetylation in macroautophagy.
- Analyzed signaling networks and posttranslational modifications of key components.
Main Results:
- Protein acetylation is an evolutionarily conserved mechanism.
- Acetylation plays a crucial role in the tight regulation of macroautophagy.
Conclusions:
- Protein acetylation is a key regulator of macroautophagy.
- This finding provides insights into cellular stress response and homeostasis.
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