Abstract
In the present study, a set of three monoclonal antibodies is described, each of which recognizes cells of the monocyte-macrophage lineage in the rat. The tissue distribution, in particular in lymphoid organs, of each of the three monoclonals is determined by immunoenzyme histochemistry on cryostat sections, as well as on cell suspensions. Results show that ED1 recognizes a cytoplasmic antigen in monocytes and in most macrophages, free and fixed. ED2 and ED3 recognize membrane antigens of tissue macrophages, discriminating between distinct subpopulations of macrophages, each with a characteristic localization in the compartments of lymphoid organs. No other cell types except cells of the mononuclear phagocyte system are positive for any of the three monoclonals. Possible relations between the macrophages recognized by this set of monoclonals and dendritic cells are discussed.
MeSH Terms
Animals
Antibodies, Monoclonal
Antibody Specificity
Antigens, Surface/immunology
Bone Marrow/immunology
Cells, Cultured
Cytoplasm/immunology
Immunoenzyme Techniques
Lymphoid Tissue/immunology
Macrophages/immunology
Mice
Mice, Inbred BALB C
Phagocytes/immunology
Rats
Rats, Inbred Strains
Chemicals
Antibodies, Monoclonal
Antigens, Surface
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Dijkstra C D
Döpp E A
Joling P
Kraal G
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