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Discrimination of Seven Immune Cell Subsets by Two-fluorochrome Flow Cytometry
Published on: March 5, 2019
Multiple color immunofluorescence for cytokine detection at the single-cell level
Matthew J Loza1, Jeffrey S Faust, Bice Perussia
1Bice Perussia, Jefferson Medical College, Kimmel Cancer Institute, Philadelphia, PA 19107, USA.
Molecular Biotechnology
|April 1, 2003
Summary
This study introduces a new immunofluorescence flow cytometry method to detect intracellular cytokines in mixed immune cells. This technique precisely identifies cytokine-producing cells and their production levels within complex cell populations.
Area of Science:
- Immunology
- Cell Biology
- Biotechnology
Background:
- Cytokine detection and producer cell identification are crucial for understanding immune and inflammatory responses.
- Existing methods like ELISA and RT-PCR have limitations in resolving specific cell subsets and require large cell numbers.
Purpose of the Study:
- To present a novel immunofluorescence-based flow cytometry method for intracellular cytokine detection.
- To enable precise identification and quantification of cytokine-producing cells within mixed leukocyte populations.
Main Methods:
- Utilized immunofluorescence and flow cytometry to detect intracellular cytokine accumulation.
- Applied the method to natural killer (NK) cells as a model, demonstrating its applicability to other cell types.
Main Results:
- The method allows for the identification of cytokine-producing cells within mixed populations.
- Enables quantitative comparison of cytokine production levels across different cell subsets.
- Facilitates the detection of simultaneous cytokine production by single cells.
Conclusions:
- The described immunofluorescence flow cytometry method offers a powerful tool for analyzing cytokine expression in complex cellular environments.
- It is particularly valuable for studying rare immune cell subsets and simultaneous cytokine production.
