Journal of Veterinary Medical Science
Online ISSN : 1347-7439
Print ISSN : 0916-7250
Establishment and Characterization of Two Cell Lines Derived from Canine Spontaneous Osteosarcoma
Sung-Hyeok HONGTsuyoshi KADOSAWAManabu MOCHIZUKISatoru MATSUNAGARyohei NISHIMURANobuo SASAKI
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1998 Volume 60 Issue 6 Pages 757-760

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Abstract

Two new canine osteosarcoma cell lines were established. One (OOS) was established from a 10-year-old female maltese dog with mandibular osteosarcoma and the other (HOS) from a 7-year-old male mongrel dog with scapular osteosarcoma. Histopathological types of OOS and HOS were mixed and fibroblastic cell type, respectively. Transmission electron microscopic features of HOS revealed prominent rough endoplasmic reticulum, suggesting higher malignancy comparing to OOS. Doubling time of OOS and HOS were 45.0 ± 0.5 hr and 42.0 ± 0.1 hr, respectively. Alkaline phosphatase activities of OOS and HOS were quite low. Histological features of tumor tissues produced by transplantation of these cells into nude mice were identical to those of original osteosarcomas.

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