Establishing an in vivo model of canine prostate carcinoma using the new cell line CT1258.
BACKGROUND
Prostate cancer is a frequent finding in man. In dogs, malignant disease of the prostate is also of clinical relevance, although it is a less common diagnosis. Even though there are numerous differences in origin and development of the disease, man and dog share many similarities in the pathological presentation. For this reason, the dog might be a useful animal model for prostate malignancies in man.Although prostate cancer is of great importance in veterinary medicine as well as in comparative medicine, there are only few cell lines available. Thus, it was the aim of the present study to determine whether the formerly established prostate carcinoma cell line CT1258 is a suitable tool for in vivo testing, and to distinguish the growth pattern of the induced tumours.


METHODS
For characterisation of the in vivo behaviour of the in vitro established canine prostate carcinoma cell line CT1258, cells were inoculated in 19 NOD.CB17-PrkdcScid/J (in the following: NOD-Scid) mice, either subcutaneously or intraperitoneally. After sacrifice, the obtained specimens were examined histologically and compared to the pattern of the original tumour in the donor. Cytogenetic investigation was performed.


RESULTS
The cell line CT 1258 not only showed to be highly tumourigenic after subcutaneous as well as intraperitoneal inoculation, but also mimicked the behaviour of the original tumour.


CONCLUSIONS
Tumours induced by inoculation of the cell line CT1258 resemble the situation in naturally occurring prostate carcinoma in the dog, and thus could be used as in vivo model for future studies.
Fork
Melani A M
MA
Small Animal Clinic, University of Veterinary Medicine Hanover, Hanover, Germany. melani.fork@tiho-hannover.de
Murua Escobar
Hugo
H
Soller
Jan T
JT
Sterenczak
Katharina A
KA
Willenbrock
Saskia
S
Winkler
Susanne
S
Dorsch
Martina
M
Reimann-Berg
Nicola
N
Hedrich
Hans J
HJ
Bullerdiek
Jörn
J
Nolte
Ingo
I
D000818:Animals; D045744:Cell Line, Tumor; D004283:Dog Diseases / Q000473:pathology*; D004285:Dogs; D005260:Female; D008297:Male; D051379:Mice; D016688:Mice, Inbred NOD; D016513:Mice, SCID; D008940:Mitotic Index; D009368:Neoplasm Transplantation / Q000473:pathology; D011471:Prostatic Neoplasms / Q000473:pathology*; D014183:Transplantation, Heterologous / Q000473:pathology