全文:
Overview
This procedure describes the isolation of primary hematopoietic cells from murine bone marrow and their subsequent transfection using the Gene Pulser MXCell electroporation system. The method allows for efficient differentiation into mast cells and basophils, followed by successful transfection.
Key Study Components
Area of Science
- Hematopoietic cell culture
- Transfection techniques
- Cell differentiation
Background
- Bone marrow is a rich source of hematopoietic stem cells.
- Mast cells and basophils are important for immune responses.
- Electroporation is a method used to introduce DNA into cells.
- Transfection efficiency is crucial for successful gene expression studies.
Purpose of Study
- To establish a reliable method for culturing primary hematopoietic cells.
- To optimize transfection protocols for these cells.
- To facilitate the study of gene function in mast cells and basophils.
Methods Used
- Harvesting bone marrow from mouse femurs and tibiae.
- Flushing and filtering to obtain a single cell suspension.
- Differentiating cells using interleukin-3.
- Transfecting cells using the Gene Pulser MXCell electroporation system.
Main Results
- Approximately 90 million cells can be obtained from one mouse.
- Transfection efficiencies of about 30% were achieved.
- Cell viability was maintained during the electroporation process.
- Successful differentiation into mast cells and basophils was confirmed.
Conclusions
- This method provides a robust approach for studying hematopoietic cells.
- Electroporation can be optimized for various cell types.
- The protocol is applicable for further genetic studies in immunology.
What is the main purpose of this procedure?
The main purpose is to isolate and transfect primary hematopoietic cells from mouse bone marrow.
How are the bone marrow cells differentiated?
Cells are differentiated using interleukin-3 to promote the development of mast cells and basophils.
What is the expected yield of cells from one mouse?
Approximately 90 million cells can be obtained from the femurs and tibiae of one mouse.
What transfection efficiency can be achieved?
Transfection efficiencies of about 30% can be obtained using the Gene Pulser MXCell system.
What are the key steps in the electroporation process?
Key steps include preparing a cell suspension, adding plasmid DNA, and applying square wave pulses during electroporation.
How long should cells be incubated after transfection?
Cells should be incubated overnight at 37 degrees Celsius after transfection.