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Supravital staining of eosinophils
M Stankiewicz1, W Jonas, E Hadas
1AgResearch, Wallaceville Animal Research Centre, Upper Hutt, New Zealand. stankiewiczm@agresearch.cri.nz
International Journal for Parasitology
|April 1, 1996
Summary
Acridine Orange staining allows for the visualization of live eosinophils, enabling easy differentiation and enumeration of these cells in vitro. This method highlights granule colors and nuclear staining for accurate observation.
Area of Science:
- Hematology
- Cell Biology
- Microscopy
Background:
- Eosinophils are crucial white blood cells involved in immune responses.
- Accurate enumeration and differentiation of eosinophils are vital for diagnosing various conditions.
- Existing methods for eosinophil analysis can be complex or time-consuming.
Purpose of the Study:
- To develop and validate a simple in vitro method for live eosinophil identification.
- To utilize Acridine Orange staining for enhanced eosinophil visualization.
- To enable easy differentiation and enumeration of eosinophils.
Main Methods:
- Mixing live eosinophils with Acridine Orange solution.
- Microscopic examination under ultraviolet (UV) light.
- Observing cellular morphology, granule characteristics, and nuclear staining.
Main Results:
- Acridine Orange staining produced intense yellow, orange, and red colors in eosinophil granules.
- Green nuclear staining was observed.
- Active eosinophil movement, granule translocation, and degranulation were visualized in vitro.
- The method allowed for straightforward differentiation and enumeration of live eosinophils.
Conclusions:
- Acridine Orange staining is an effective method for live eosinophil visualization.
- This technique facilitates easy differentiation and enumeration of eosinophils in vitro.
- The observed cellular dynamics provide insights into eosinophil function.