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Updated: Aug 16, 2026

Identification of Intracellular Signaling Events Induced in Viable Cells by Interaction with Neighboring Cells Undergoing Apoptotic Cell Death
Published on: December 27, 2016
Mast cell apoptosis
Alexander Gerbaulet1, Karin Hartmann, Yoseph A Mekori
1Department of Dermatology, University of Cologne, Cologne, Germany.
Abstract:
Apoptosis is a physiological form of cell death. Cells undergoing apoptosis execute a genetically controlled program that leads to organized breakdown of cellular structures and ends in phagocytosis of their remains. In mast cells, several mechanisms regulating apoptosis have been identified including growth factors, tumor necrosis factor-alpha receptors, monomeric IgE, Toll-like receptors, and proteins of the bcl-2 family. Methods used to characterize apoptosis of mast cells are reviewed, with special attention to flow cytometric analysis of annexin V staining, analysis of deoxyribonucleic acid fragmentation by gel electrophoresis and end-labeling techniques, measurement of caspase activity by enzymatic assays, and characterization of pro- and anti-apoptotic proteins by immunoblotting.
Insights
Apoptosis, a programmed cell death, involves organized breakdown and removal of cells. This review details methods for studying apoptosis in mast cells, focusing on key regulatory mechanisms and detection techniques.
Area of Science:
- Cell Biology
- Immunology
Background:
- Apoptosis is a crucial physiological process of programmed cell death.
- Mast cells, key players in immunity, undergo apoptosis through various regulatory pathways.
- Understanding mast cell apoptosis is vital for immune system research.
Purpose of the Study:
- To review established and emerging methods for characterizing apoptosis in mast cells.
- To highlight key molecular regulators influencing mast cell apoptosis.
- To provide a comprehensive overview for researchers in the field.
Main Methods:
- Flow cytometry with annexin V staining for early apoptotic detection.
- DNA fragmentation analysis via gel electrophoresis and end-labeling.
- Enzymatic assays to measure caspase activity.
- Immunoblotting to identify pro- and anti-apoptotic proteins.
Main Results:
- Multiple factors regulate mast cell apoptosis, including growth factors and IgE.
- Specific molecular markers and assays effectively characterize apoptotic mast cells.
- A combination of techniques provides a robust assessment of apoptosis.
Conclusions:
- Mast cell apoptosis is a complex, regulated process.
- Diverse methodologies are available for its comprehensive study.
- Further research into these mechanisms can inform therapeutic strategies.
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