简介：
Overview
This article presents a filtration-based protocol for isolating high-quality nuclei from cross-linked mouse skeletal muscle. The method eliminates the need for ultracentrifugation, making it more accessible for researchers. The prepared chromatin is suitable for chromatin immunoprecipitation studies.
Key Study Components
Area of Science
- Neuroscience
- Biology
- Muscle Physiology
Background
- Importance of high-quality nuclei in genomic studies.
- Application in circadian and time-sensitive research.
- Potential for insights into skeletal, cardiac, and smooth muscle systems.
- Minimization of myofibril contamination in samples.
Purpose of Study
- To develop a reliable method for isolating nuclei from skeletal muscle.
- To facilitate chromatin immunoprecipitation studies.
- To enhance understanding of muscle tissue in various biological contexts.
Methods Used
- Minced hind limb skeletal muscle from C57 black six male mice.
- Utilized ice-cold phosphate-buffered saline for tissue preservation.
- Implemented a filtration-based procedure for nucleus isolation.
- Aimed for minimal contamination during the process.
Main Results
- Successfully isolated high-quality nuclei from skeletal muscle.
- Chromatin prepared is suitable for immunoprecipitation studies.
- Method shows potential for broader applications in muscle research.
- Demonstrated reliability and ease of use compared to traditional methods.
Conclusions
- The filtration-based protocol is effective for nucleus isolation.
- It provides a valuable tool for researchers in muscle biology.
- Future studies can leverage this method for various muscle types.
What is the main advantage of this protocol?
The main advantage is the elimination of ultracentrifugation, making it easier to isolate high-quality nuclei.
Can this method be applied to other muscle types?
Yes, it can also be applied to cardiac and smooth muscle systems.
What is the significance of using cross-linked samples?
Cross-linking helps preserve the chromatin structure for better analysis in immunoprecipitation studies.
How does this method minimize contamination?
The filtration-based approach reduces myofibril contamination during nucleus isolation.
What age and strain of mice were used in this study?
Approximately 20-week-old C57 black six male mice were used for the experiments.
What type of studies can benefit from this protocol?
Genomic studies involving muscle tissues and cells in circadian or time-sensitive contexts can benefit significantly.
繁體中文
