Related Experiment Video
Updated: Feb 26, 2026

08:35
In Situ Immunofluorescent Staining of Autophagy in Muscle Stem Cells
Published on: June 12, 2017
10.8K
Data on MyoD reduction by autophagy in C2C12 cells
Yeong-Min Yoo1,2, Yung Chul Park1,2
1Department of Forest Environment Protection, College of Forest and Environmental Science, Kangwon National University, Chuncheon, Gangwon-do 24341, Republic of Korea.
Data in Brief
|July 21, 2017
Summary
Autophagy, a cellular process for maintaining homeostasis, reduces MyoD protein levels. This study demonstrates autophagy
Area of Science:
- Cellular biology
- Molecular mechanisms of protein degradation
Background:
- Autophagy is a fundamental cellular process crucial for maintaining homeostasis by degrading cellular components via the lysosomal pathway.
- MyoD, a basic helix-loop-helix transcription factor, plays a vital role in skeletal muscle proliferation and differentiation.
- MyoD is primarily degraded by the ubiquitin-proteasome system, with a partial contribution from autophagy.
Purpose of the Study:
- To investigate the role of autophagy in the degradation of MyoD protein.
- To determine the impact of autophagy on MyoD protein levels in skeletal muscle cells.
Main Methods:
- Utilized C2C12 myoblast cell line.
- Employed Western blotting analysis to quantify MyoD protein levels.
Main Results:
- Autophagy was shown to decrease MyoD protein levels in C2C12 cells.
- Experimental data confirmed the reduction of MyoD protein by autophagy.
Conclusions:
- Autophagy contributes to the regulation of MyoD protein turnover.
- This finding highlights a novel mechanism influencing skeletal muscle biology.
Related Concept Videos
Satellite Stem Cells and Muscular Dystrophy
2.4K
Satellite stem cells or myosatellite cells are quiescent stem cells that Alexander Mauro first identified in 1961. These cells are located between the sarcolemma, the plasma membrane of muscle fibers, and the basal lamina, the connective tissue sheath covering it. These mononucleated cells are activated in response to muscle injury, can transform into myoblasts, and may form or repair muscle fibers. Myosatellite cells can provide additional myonuclei for muscle regeneration or return to a...
2.4K
Autophagy
6.0K
Autophagy is a self-digesting process by which a cell protects itself from threats both within and outside the cell, ranging from abnormal proteins to invading bacteria. In this process, obsolete components of the cell and invading microbes are degraded by hydrolytic enzymes active in an acidic environment of the lysosomal lumen.
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
6.0K
Autophagic Cell Death
4.7K
Christian de Duve discovered “autophagy,” a process in which cellular components are engulfed by membrane-bound organelles called autophagosomes. The autophagosomes then fuse with lysosomes to digest the enclosed contents. Autophagy is generally activated in cells to prevent cell death. However, cell death is triggered when the damage is beyond repair.
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and...
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and...
4.7K

