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Updated: Jun 14, 2026
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Preparation of Primary Myogenic Precursor Cell/Myoblast Cultures from Basal Vertebrate Lineages
Published on: April 30, 2014
Changes in satellite cell proliferation and differentiation during turkey muscle development.
S G Velleman1, X Zhang, C S Coy
1Department of Animal Sciences, The Ohio State University, 1680 Madison Ave., Wooster, OH 44691, USA. Velleman.1@osu.edu
Poultry Science
|March 24, 2010
Summary
Satellite cell activity is crucial for turkey muscle growth. Declines in satellite cell proliferation and differentiation occur early posthatch, impacting muscle development and mass accumulation.
Area of Science:
- Muscle Biology
- Developmental Biology
- Cellular Biology
Background:
- Posthatch muscle growth relies on satellite cell activation, differentiation, and fusion.
- Satellite cells within muscles are heterogeneous, influencing growth patterns.
- Understanding these processes is key to optimizing muscle development.
Purpose of the Study:
- To investigate the proliferation and differentiation of turkey primary pectoralis major muscle cells in vitro.
- To analyze changes in muscle weight relative to body weight across different turkey muscles.
- To determine the critical developmental stages for satellite cell activity in turkey muscle growth.
Main Methods:
- In vitro culture of turkey primary pectoralis major muscle cells at various ages (1 day to 54 weeks).
- Analysis of satellite cell proliferation and differentiation rates.
- Measurement of relative muscle weight changes for multiple skeletal muscles.
Main Results:
- Satellite cell proliferation decreased by 8 weeks of age.
- Myotube differentiation and diameter significantly decreased by 4 weeks of age.
- Maximum relative muscle weight was achieved at different ages depending on the specific muscle.
Conclusions:
- Early posthatch developmental changes in myogenic cells are critical.
- Satellite cell activity during initial growth stages significantly impacts overall muscle mass.
- Muscle-specific growth patterns are influenced by the timing of satellite cell development.
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