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Title: Identification and quantification of complement regulator CD46 on normal human tissues.
Authors: Johnstone, R W;Loveland, B E;McKenzie, Ian F C
Affiliation: Austin Research Institute, Austin Hospital, Victoria, Australia.
Issue Date: 1-Jul-1993
Citation: Immunology; 79(3): 341-7
Abstract: CD46 is a cell-surface regulatory molecule that prevents lysis of autologous human cells by activated complement. It has been well characterized on leucocytes, reproductive cells and various cultured cell lines and is considered to be ubiquitously expressed. We now extend these analyses and describe CD46 in a variety of different human tissues. Strong expression was observed by immunohistology on epithelial cells lining exocrine ducts and glands, such as salivary gland and pancreas and on kidney tubules and glomerular epithelium. Quantitative tissue expression was measured by radioimmunoassay and confirmed histological observations. Thus, CD46 is highly expressed on cells in contact with extracellular fluids thought not to contain large quantities of complement but which may still be subjected to complement attack thereby necessitating the presence of complement regulators to prevent non-specific destruction of cells.
Internal ID Number: 8406563
Type: Journal Article
Subjects: Antigens, CD.analysis
Antigens, CD46
Blotting, Western
Complement System Proteins.immunology
Endocrine Glands.immunology
Immunoenzyme Techniques
Membrane Glycoproteins.analysis
Salivary Glands.immunology
Appears in Collections:Journal articles

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