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Autophagy: machinery and regulation.
Zhangyuan Yin1, Clarence Pascual1, Daniel J Klionsky1
1Life Sciences Institute, and Department of Molecular, Cellular and Developmental Biology; University of Michigan, Ann Arbor, MI, USA 48109.
Microbial Cell (Graz, Austria)
|March 31, 2017
Summary
Autophagy is a vital cellular process for degrading waste and maintaining cell health. This review details its mechanisms, roles in homeostasis and immunity, and links to disease.
Area of Science:
- Cell Biology
- Molecular Biology
Background:
- Macroautophagy/autophagy is a conserved cellular degradation process.
- Autophagy removes cytoplasmic materials, including cytosol, macromolecules, and organelles.
- Autophagy-related (Atg) proteins are key to autophagosome formation machinery.
Purpose of the Study:
- To review the physiological roles of autophagy.
- To summarize the molecular mechanisms and regulatory networks of autophagy.
- To discuss the pathophysiological roles of autophagy in disease.
Main Methods:
- Literature review of autophagy research.
- Analysis of autophagy-related protein functions.
- Synthesis of current understanding of autophagy regulation and disease implications.
Main Results:
- Autophagy is crucial for cellular and organismal homeostasis, development, and immunity.
- Dysfunction and dysregulation of autophagy are implicated in various diseases.
- Autophagy's role extends beyond stress response to fundamental physiological processes.
Conclusions:
- Autophagy is a fundamental biological process with broad physiological significance.
- Understanding autophagy's molecular mechanisms and regulatory networks is critical.
- Autophagic dysfunction represents a key factor in numerous human diseases.