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[Multiple expressions of mouse peritoneal cell immune potential]
Annales D'Immunologie
|January 1, 1977
Summary
Peritoneal cells (PC) from unstimulated mice form rosettes with red blood cells. In culture, these cells develop into plaque-forming cells (PFC), synthesizing IgM and IgG antibodies.
Area of Science:
- Immunology
- Cell Biology
Context:
- Unstimulated mouse peritoneal cells (PC) exhibit significant rosette formation (RFC) with sheep red blood cells (SRBC) and treated isologous mouse red blood cells (MRBC(b)).
- This suggests an inherent immune cell population within the peritoneal cavity capable of interacting with red blood cells.
Purpose:
- To investigate the in vitro differentiation and antibody production capabilities of peritoneal cells.
- To characterize the transition from rosette-forming cells (RFC) to plaque-forming cells (PFC) and identify the synthesized immunoglobulins.
Summary:
- Peritoneal cells (PC) from unstimulated mice readily form rosettes (RFC) with SRBC and MRBC(b).
- Upon in vitro culture, PC populations transition, with RFC numbers decreasing while plaque-forming cell (PFC) numbers increase, peaking at days 3-4.
- Radioactive labeling confirms in vitro synthesis of IgM and various IgG subclasses by cultured PC.
Impact:
- Demonstrates the in vitro immunogenic potential of peritoneal cells.
- Provides evidence for the synthesis of key antibody classes (IgM, IgG) by peritoneal cells during culture, contributing to understanding humoral immunity.