MORPHOLOGICAL, IMMUNOHISTOCHEMICAL AND BIOCHEMICAL-CHARACTERIZATION OF 6 NEWLY ESTABLISHED HUMAN OVARIAN-CARCINOMA CELL-LINES

被引:87
|
作者
MOBUS, V
GERHARZ, CD
PRESS, U
MOLL, R
BECK, T
MELLIN, W
POLLOW, K
KNAPSTEIN, PG
KREIENBERG, R
机构
[1] UNIV MAINZ, DEPT PATHOL, W-6500 MAINZ, GERMANY
[2] UNIV MAINZ, DEPT EXPTL ENDOCRINOL, W-6500 MAINZ, GERMANY
[3] UNIV MUNSTER, DEPT PATHOL, W-4400 MUNSTER, GERMANY
关键词
D O I
10.1002/ijc.2910520115
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Six permanent human tumor cell lines (OV-MZ- 1 to 6) were established from 6 patients with serous adenocarcinomas of the ovary. These cell lines were derived from both solid tumors and ascites, from pre-treated and untreated patients, and are available over a range of in vitro passage numbers. The tumor cells grow as monolayers and develop foci of "piled-up" cells in confluent cultures. Flow cytophotometry showed that all the lines exhibited DNA hyperdiploidy with DNA tetraploidy in one cell line and DNA aneuploidy in the other cell lines. The mean population doubling time ranged from 24 to 52 hr. Transmission electron microscopy demonstrated that the tumor cells of all cell lines exhibited features of epithelial differentiation such as desmosomes and intracellular gland-like lumina. Immunocytochemical analysis showed that the co-expression of cytokeratins and vimentin, which is a feature of ovarian serous cystadenocarcinomas in situ, was fully preserved in the majority of cell lines. The main cytokeratin polypeptides expressed were numbers 7, 8, 17, 18 and 19. The tumor-associated antigen CA-125, but not CEA, was shed in the culture supernatant. This was in accordance with FACScan analysis of the cell lines and the level of CA-125 and CEA in the patients' serum. The estrogen and progesterone receptors were negative both in the cell lines and in the original tumors. These new ovarian carcinoma cell lines will be valuable models for further investigations into a variety of biological properties.
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页码:76 / 84
页数:9
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