Process of producing carcinoembryonic antigen
AssigneeNorthwestern University
InventorsMilda M. Jakstys, Baldwin H. Tom, Barry D. Kahan
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Abstract
Carcinoembryonic antigen (CEA) is produced in vitro from the cell lines LS-180 (ATCC No. CL-187), LS-174T (ATCC No. CL-188), and cells derived therefrom. The CEA thus produced can be used as a standard source for radioimmunoassay procedures to determine CEA plasma levels.
Claims5
The process of producing carcinoembryonic antigen (CEA) in vitro, comprising culturing cells selected from the cell lines consisting of LS-180 (ATCC No. CL-187), LS-174T (ATCC No. CL-188), and CEA-producing cells derived therefrom, in a nutrient medium capable of supporting the growth of said cells until the number of cells present have at least doubled, and recovering the CEA thus produced.
Dependencies are inferred from the claim text.