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Expression of growth factors and their receptors in human osteosarcomas. Immunohistochemical detection of epidermal growth factor, platelet-derived growth factor and their receptors: its correlation with proliferating activities and p53 expression. 1995

Y Oda, and B Wehrmann, and K Radig, and H Walter, and I Röse, and W Neumann, and A Roessner
Department of Pathology, Otto-von-Guericke University, Magdeburg, Germany.

The expression of both epidermal growth factor (EGF) and platelet-derived growth factor (PDGF), and of their receptors (EGFR and PDGFR) was immunohistochemically examined in 37 cases of osteosarcoma. Furthermore, immunostaining for p53 protein and Ki-67 antigen by MIB-1 was carried out and compared with the above results. EGFR (81%) expressed more often than EGF (51%) and the expression of EGF and EGFR, and PDGF and PDGFR were recognized in 49% and 38%, respectively. In eleven cases (30%), the expression of both growth factors and their receptors was combined. Anaplastic osteosarcoma showed higher MIB-1 index than osteoblastic and fibroblastic subtypes (P < 0.05). High grade osteosarcomas (G3 and G4) revealed higher MIB-1 index compared with low grade tumors (G1 and G2). PDGF positive tumors (MIB-1 index: 20.0) showed significantly higher proliferation compared with PDGF negative tumors (MIB-1 index: 6.5) (P < 0.01). Five out of 37 cases (13.5%) showed positive immunoreaction for p53. There was no correlation of p53 status with MIB-1 index and the expression of growth factors or their receptors. Our results suggest that PDGF expression may be an important mediator of cell proliferation control, via an autocrine mechanism, in human osteosarcoma.

UI MeSH Term Description Entries
D007150 Immunohistochemistry Histochemical localization of immunoreactive substances using labeled antibodies as reagents. Immunocytochemistry,Immunogold Techniques,Immunogold-Silver Techniques,Immunohistocytochemistry,Immunolabeling Techniques,Immunogold Technics,Immunogold-Silver Technics,Immunolabeling Technics,Immunogold Silver Technics,Immunogold Silver Techniques,Immunogold Technic,Immunogold Technique,Immunogold-Silver Technic,Immunogold-Silver Technique,Immunolabeling Technic,Immunolabeling Technique,Technic, Immunogold,Technic, Immunogold-Silver,Technic, Immunolabeling,Technics, Immunogold,Technics, Immunogold-Silver,Technics, Immunolabeling,Technique, Immunogold,Technique, Immunogold-Silver,Technique, Immunolabeling,Techniques, Immunogold,Techniques, Immunogold-Silver,Techniques, Immunolabeling
D010982 Platelet-Derived Growth Factor Mitogenic peptide growth hormone carried in the alpha-granules of platelets. It is released when platelets adhere to traumatized tissues. Connective tissue cells near the traumatized region respond by initiating the process of replication. Platelet Derived Growth Factor,Factor, Platelet-Derived Growth,Growth Factor, Platelet-Derived
D001859 Bone Neoplasms Tumors or cancer located in bone tissue or specific BONES. Bone Cancer,Cancer of Bone,Cancer of the Bone,Neoplasms, Bone,Bone Neoplasm,Neoplasm, Bone
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
D004815 Epidermal Growth Factor A 6-kDa polypeptide growth factor initially discovered in mouse submaxillary glands. Human epidermal growth factor was originally isolated from urine based on its ability to inhibit gastric secretion and called urogastrone. Epidermal growth factor exerts a wide variety of biological effects including the promotion of proliferation and differentiation of mesenchymal and EPITHELIAL CELLS. It is synthesized as a transmembrane protein which can be cleaved to release a soluble active form. EGF,Epidermal Growth Factor-Urogastrone,Urogastrone,Human Urinary Gastric Inhibitor,beta-Urogastrone,Growth Factor, Epidermal,Growth Factor-Urogastrone, Epidermal,beta Urogastrone
D006133 Growth Substances Signal molecules that are involved in the control of cell growth and differentiation. Mitogens, Endogenous,Endogenous Mitogens
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal
D012516 Osteosarcoma A sarcoma originating in bone-forming cells, affecting the ends of long bones. It is the most common and most malignant of sarcomas of the bones, and occurs chiefly among 10- to 25-year-old youths. (From Stedman, 25th ed) Sarcoma, Osteogenic,Osteogenic Sarcoma,Osteosarcoma Tumor,Osteogenic Sarcomas,Osteosarcoma Tumors,Osteosarcomas,Sarcomas, Osteogenic,Tumor, Osteosarcoma,Tumors, Osteosarcoma
D016159 Tumor Suppressor Protein p53 Nuclear phosphoprotein encoded by the p53 gene (GENES, P53) whose normal function is to control CELL PROLIFERATION and APOPTOSIS. A mutant or absent p53 protein has been found in LEUKEMIA; OSTEOSARCOMA; LUNG CANCER; and COLORECTAL CANCER. p53 Tumor Suppressor Protein,Cellular Tumor Antigen p53,Oncoprotein p53,TP53 Protein,TRP53 Protein,p53 Antigen,pp53 Phosphoprotein,Phosphoprotein, pp53

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