Abstract
Purpose: To evaluate the relationships between mutations of the p53 and MDM-2 proteins in human primary chondrosarcoma and in secondary chondrosarcoma from osteochondromatosis. Materials and Methods: From January, 1984 to April, 2000, 33 cases were grouped into three categories: Group I, osteochondromatosis (18 cases), group II, secondary chondrosarcoma (6 cases), group III, primary chondrosarcoma (9 cases). We analysed the expressions of the p53 and MDM-2 proteins. All specimens were embedded in paraffin and stained using the Streptavidin-Biotin peroxidase method with anti-p53 antibody, and DO7 anti-MDM-2 antibody IF2 as monoclonal antibody. Results: The expressions of the p53 and MDM-2 proteins, the pathologic grade of each group, and clinical outcomes were compared and analysed. The expressions of the p53 and MDM-2 proteins in each group were significantly different (p
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