A detailed comparison of the accessory cell activities was carried out among murine peritoneal cavity macrophages (PEC-MΦ). peritoneal cavity macrophages stimulated with granulocyte-macrophage colony stimulating factor (GM-CSF) plus interleukin 4 (IL-4), the most popular cytokine combination widely used to generate dendritic cells (DC) and peritoneal cavity macrophage-derived DC (PEC-DC) using a two-way mixed lymphocyte reaction (MLR). All the cell types used efficiently induced statistically significant naïve T cell proliferation at all culture time points and responder:stimulator ratios used. However, marked differences were noted in the magnitude of the proliferative responses. These variations may be attributed to the intensity of expression of MHC class II glycoproteins, as well as the actual numbers of MHC class II+ cells.
- Mixed lymphocyte reaction
- Peritoneal cavity macrophage
- Peritoneal cavity macrophage-derived dendritic cell
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