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Adherent and non-adherent mouse peritoneal exudate cells
Folia Biologica
|January 1, 1975
Summary
Proteose peptone administration activates peritoneal exudate cells, increasing macrophages. Optimal purification of histiocytes and macrophages requires 2-day cultivation for enzymatic activity and cell purity.
Area of Science:
- Immunology
- Cell Biology
Background:
- Peritoneal exudate cells (PECs) are crucial in immune responses.
- Understanding macrophage activation and purification is vital for research.
Purpose of the Study:
- To investigate the effects of proteose peptone on PECs.
- To determine optimal conditions for isolating activated macrophages.
Main Methods:
- Administration of proteose peptone to mice.
- Isolation and cultivation of peritoneal exudate cells.
- Assessment of cell adherence, acid phosphatase activity, and cell types.
Main Results:
- Proteose peptone increased mono-histiocytic cells and their activation markers.
- Short-term adherence (3-hour) yielded activated lymphocytes and fibroblasts, not enriched macrophages.
- Two-day cultivation was optimal for purifying macrophages via adherence, indicated by acid phosphatase activity.
- Longer cultivation (4-day) led to decreased macrophage purity due to fibroblast and epithelial cell overgrowth.
Conclusions:
- Proteose peptone effectively activates peritoneal macrophages.
- A 2-day cultivation period is optimal for isolating pure, activated macrophages from PECs.
- Cell adherence is a viable method for macrophage purification, but cultivation time is critical.