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Human bile duct carcinoma cell line producing abundant mucin in vitro. 1987

S Homma, and S Nagamori, and K Fujise, and K Yamazaki, and S Hasumura, and H Sujino, and T Matsuura, and K Shimizu, and H Kameda, and K Takaki
First Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan.

A human bile duct carcinoma cell line, designated OZ, was established from ascitic effusion of a patient who suffered from obstructive jaundice due to the clogging of the common bile duct with mucinous substances secreted by the cancer cells. OZ was found to be capable of producing mucin in vitro and pools of mucin were macroscopically identified on the monolayer of the cells. On the electron micrographs, cell coat type mucin and abundant intracytoplasmic desmosomes were observed. The OZ cells secreted carcinoembryonic antigen in culture and had high enzymatic activity of gamma-glutamyl transpeptidase. The tumor heterotransplanted into nude mice also showed mucin production.

UI MeSH Term Description Entries
D008297 Male Males
D008854 Microscopy, Electron Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen. Electron Microscopy
D009077 Mucins High molecular weight mucoproteins that protect the surface of EPITHELIAL CELLS by providing a barrier to particulate matter and microorganisms. Membrane-anchored mucins may have additional roles concerned with protein interactions at the cell surface. Mucin
D009368 Neoplasm Transplantation Experimental transplantation of neoplasms in laboratory animals for research purposes. Transplantation, Neoplasm,Neoplasm Transplantations,Transplantations, Neoplasm
D002272 Carcinoembryonic Antigen A glycoprotein that is secreted into the luminal surface of the epithelia in the gastrointestinal tract. It is found in the feces and pancreaticobiliary secretions and is used to monitor the response to colon cancer treatment. Antigens, CD66e,CD66e Antigen,Antigen, CD66e,Antigen, Carcinoembryonic,CD66e Antigens
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D005723 gamma-Glutamyltransferase An enzyme, sometimes called GGT, with a key role in the synthesis and degradation of GLUTATHIONE; (GSH, a tripeptide that protects cells from many toxins). It catalyzes the transfer of the gamma-glutamyl moiety to an acceptor amino acid. GGTP,Glutamyl Transpeptidase,gammaglutamyltransferase,gamma-Glutamyl Transpeptidase,Transpeptidase, Glutamyl,Transpeptidase, gamma-Glutamyl,gamma Glutamyl Transpeptidase,gamma Glutamyltransferase
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000231 Adenocarcinoma, Papillary An adenocarcinoma containing finger-like processes of vascular connective tissue covered by neoplastic epithelium, projecting into cysts or the cavity of glands or follicles. It occurs most frequently in the ovary and thyroid gland. (Stedman, 25th ed) Adenocarcinomas, Papillary,Papillary Adenocarcinoma,Papillary Adenocarcinomas
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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