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Richard D. Williams, David L. Bronson, Arthur Y. Elliott, Elwin E. Fraley, Production of Carcinoembryonic Antigen by Human Prostate Epithelial Cells In Vitro, JNCI: Journal of the National Cancer Institute, Volume 58, Issue 4, April 1977, Pages 1115–1116, https://doi.org/10.1093/jnci/58.4.1115
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Abstract
The medium from all 16 human prostate epithelial cell cultures tested contained elevated levels of carcinoembryonic antigen (CEA) or CEA-like substance; 11 of 16 had greater than 20 ng CEA/ml. In contrast, medium from cultures of other human tissues (prostate fibroblasts, genitourinary tumors, melanoma, and nontumor tissue), as well as media controls, contained less than 1 ng CEA/ml. Results indicated that CEA determinations may provide a way to identify human prostatic epithelium in culture.