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Gynecol Oncol. 2006 Oct;103(1):315-20. Epub 2006 May 4.

A highly reproducible xenograft model for human ovarian carcinoma and application of MRI and ultrasound in longitudinal follow-up.

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Department of Molecular Medicine, A.I. Virtanen Institute, University of Kuopio, PO Box 1627, FIN-70211, Finland.



Typically, human ovarian cancer is widely disseminated at the time of diagnosis and shows extremely poor prognosis. Experimental animal models that mimic human ovarian cancer are often incomplete when compared to the full spectrum of the human disease with regard to its histological hallmarks such as the spread of carcinoma, its ability to seed the peritoneal cavity and formation of ascites. We have established and characterized a new animal model for human ovarian cancer in nude mouse.


A new cell line SKOV-3m was injected intraperitoneally in nude mice. Mice were divided in two groups A and B, which received 1 x 10(7) and 2 x 10(7) cells, respectively. Histology, immunohistochemistry, magnetic resonance imaging and ultrasound were used to analyze tumors.


All mice had tumors within 18 days and histologically they resembled poorly differentiated human cystadenocarcinomas with bloody ascites. Mean survival of the mice was 42+/-14 and 21+/-2 days in groups A and B, respectively. Magnetic resonance imaging and ultrasound were used to confirm the presence of tumors and to monitor their growth without sacrificing the animals.


This new xenograft model accompanied by noninvasive imaging is highly reproducible and likely to be very useful in testing new treatment strategies for ovarian cancer.

[Indexed for MEDLINE]

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