简介：
Overview
This protocol describes techniques for live cell isolation and primary culture of myogenic and fibroblast cell lines from muscle or skin tissue. The overall goal is to isolate purified muscle cells from human patient muscle biopsies and immortalize them for downstream studies.
Key Study Components
Area of Science
- Cell Biology
- Muscle Physiology
- Regenerative Medicine
Background
- Isolation of patient-derived cells is crucial for studying muscle diseases.
- Immortalized cell lines can provide unlimited cells for research.
- Techniques for cell purification and culture are essential for downstream applications.
- Myogenic cells can be differentiated and expanded for various studies.
Purpose of Study
- To isolate and immortalize muscle cells from human biopsies.
- To provide a reliable tool for generating patient-derived cells.
- To enable high-throughput drug screening and research applications.
Methods Used
- Weighing, mincing, and digesting tissue to dissociate cells.
- Purification of myogenic cells using FACS.
- Infection of myogenic cells with CDK4 and Hturt for immortalization.
- Assessment of cell fusion and expression of myogenic markers.
Main Results
- Patient-derived muscle cells can be expanded for several passages.
- Cells can differentiate based on cell fusion assays.
- Presence of twitching myotubes indicates successful differentiation.
- Expression of myogenic markers confirms cell identity.
Conclusions
- This technique provides a reliable source of myogenic cells.
- It has implications for muscle disease diagnosis and treatment.
- Potential for unlimited cell supply for various research applications.
What types of tissues can be used for cell isolation?
Muscle and skin tissues can be used for isolating myogenic and fibroblast cell lines.
How are myogenic cells purified?
Myogenic cells are purified from non-myogenic cells using FACS (Fluorescence-Activated Cell Sorting).
What is the significance of immortalizing muscle cells?
Immortalizing muscle cells allows for unlimited expansion and use in various research applications.
What assays are used to confirm cell differentiation?
Cell fusion assays and the presence of twitching myotubes are used to confirm differentiation.
Can these techniques be applied to other cell types?
While this protocol focuses on myogenic and fibroblast cells, similar techniques may be adapted for other cell types.
What are the downstream applications of these cells?
These cells can be used for drug screening and studying muscle diseases.
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