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Updated: Jan 20, 2026
08:44
Activating Autophagy by Aerobic Exercise in Mice
Published on: February 3, 2017
12.7K
Core autophagy genes and human diseases.
1Department of Molecular, Cell and Cancer Biology, University of Massachusetts Medical School, Worcester, MA 01605, USA.
Current Opinion in Cell Biology
|September 4, 2019
Summary
Autophagy dysfunction, particularly in early gene mutations, contributes to human diseases. Abnormal protein aggregate phase separation removal is linked to neurodegenerative disease pathogenesis.
Area of Science:
- Cellular Biology
- Molecular Biology
- Genetics
Background:
- Autophagy is a cellular process for recycling components and removing threats, crucial for homeostasis.
- Dysfunctional autophagy is implicated in neurodegenerative diseases, cancer, diabetes, and immune disorders.
- Genetic mutations in autophagy genes can lead to severe human diseases.
Purpose of the Study:
- To investigate human genetic disorders linked to early-acting autophagy genes.
- To explore the role of mutations in autophagosome maturation genes.
- To understand how protein aggregate properties, modulated by mutations, affect disease.
Main Methods:
- Analysis of human genetic disorders affecting autophagy.
- Examination of mutations in genes regulating autophagosome maturation.
- Study of protein aggregates formed via liquid-liquid phase separation (LLPS).
Main Results:
- Hypomorphic or regulatory mutations in early autophagy genes cause human genetic disorders.
- Mutations affecting autophagosome maturation are linked to disease.
- Disease-related mutations alter the biophysical properties of protein aggregates formed by LLPS.
- Abnormal phase transition of protein aggregates impairs their clearance.
Conclusions:
- Genetic defects in autophagy, especially early-acting genes, are significant causes of human diseases.
- Altered liquid-liquid phase separation (LLPS) and clearance of protein aggregates contribute to neurodegenerative disease pathogenesis.
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