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Expression of metalloproteinases and tissue inhibitors of metalloproteinases in giant cell tumor of bone: an immunohistochemical study with clinical correlation. 1996

K E Schoedel, and M A Greco, and W G Stetler-Stevenson, and N P Ohori, and S Goswami, and D Present, and G C Steiner
Department of Pathology, Hospital for Joint Diseases, New York, NY, USA.

The clinical behavior of giant cell tumors (GCTs) is unpredictable. To gain insight into this tumor's biological behavior, matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) were studied. These substances play essential roles in wound healing and neoplastic invasion and metastasis. Paraffin-embedded tissue was collected from 18 cases of histologically benign GCT, with 17 treated by curettage and 1 by resection. Eight cases showed no recurrence after a minimum of 2.5 years, and 10 had local recurrence. One showed metastasis. Antibodies to MMP-9, MMP-2, TIMP-1, and TIMP-2 were applied by immunohistochemical methods. In all cases, MMP-9 was strongly expressed in giant cells predominantly in a diffuse pattern and was strong but focal in stromal cells. MMP-2 decorated stromal cells and giant cells heterogeneously. TIMP-1 was variably expressed in giant cells of the nonrecurrent cases and was strongly present in a diffuse or patchy distribution in the stromal cells in 6 of 8 cases. However, in 9 of 10 recurrent cases, TIMP-1 was expressed weakly by both giant and stromal cells. TIMP-2 was variably expressed in the giant cells of the nonrecurrent cases, but 6 of 8 nonrecurrent cases showed strong stromal cell positivity for TIMP-2. Weak staining for TIMP-2 was observed in 7 of 10 recurrent cases in the stromal cells and 9 of 10 recurrent cases in the giant cells. These results indicate that expression of MMPs and TIMPs differs in giant cells and stromal cells in the same tumor. More significantly, in contrast to the nonrecurrent giant cell tumors, there is an imbalance in the MMPs and TIMPs in the recurrent tumors with a net excess of MMPs. This unopposed expression of MMPs in GCTs may play a role in breakdown of extracellular matrix and tissue invasion. Finally, these markers may prove useful in predicting behavior in these tumors.

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
D008175 Lung Neoplasms Tumors or cancer of the LUNG. Cancer of Lung,Lung Cancer,Pulmonary Cancer,Pulmonary Neoplasms,Cancer of the Lung,Neoplasms, Lung,Neoplasms, Pulmonary,Cancer, Lung,Cancer, Pulmonary,Cancers, Lung,Cancers, Pulmonary,Lung Cancers,Lung Neoplasm,Neoplasm, Lung,Neoplasm, Pulmonary,Pulmonary Cancers,Pulmonary Neoplasm
D008297 Male Males
D008666 Metalloendopeptidases ENDOPEPTIDASES which use a metal such as ZINC in the catalytic mechanism. Metallo-Endoproteinases,Metalloendopeptidase
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009364 Neoplasm Recurrence, Local The local recurrence of a neoplasm following treatment. It arises from microscopic cells of the original neoplasm that have escaped therapeutic intervention and later become clinically visible at the original site. Local Neoplasm Recurrence,Local Neoplasm Recurrences,Locoregional Neoplasm Recurrence,Neoplasm Recurrence, Locoregional,Neoplasm Recurrences, Local,Recurrence, Local Neoplasm,Recurrence, Locoregional Neoplasm,Recurrences, Local Neoplasm,Locoregional Neoplasm Recurrences,Neoplasm Recurrences, Locoregional,Recurrences, Locoregional Neoplasm
D011480 Protease Inhibitors Compounds which inhibit or antagonize biosynthesis or actions of proteases (ENDOPEPTIDASES). Antiprotease,Endopeptidase Inhibitor,Endopeptidase Inhibitors,Peptidase Inhibitor,Peptidase Inhibitors,Peptide Hydrolase Inhibitor,Peptide Hydrolase Inhibitors,Peptide Peptidohydrolase Inhibitor,Peptide Peptidohydrolase Inhibitors,Protease Antagonist,Protease Antagonists,Antiproteases,Protease Inhibitor,Antagonist, Protease,Antagonists, Protease,Hydrolase Inhibitor, Peptide,Hydrolase Inhibitors, Peptide,Inhibitor, Endopeptidase,Inhibitor, Peptidase,Inhibitor, Peptide Hydrolase,Inhibitor, Peptide Peptidohydrolase,Inhibitor, Protease,Inhibitors, Endopeptidase,Inhibitors, Peptidase,Inhibitors, Peptide Hydrolase,Inhibitors, Peptide Peptidohydrolase,Inhibitors, Protease,Peptidohydrolase Inhibitor, Peptide,Peptidohydrolase Inhibitors, Peptide
D011506 Proteins Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein. Gene Products, Protein,Gene Proteins,Protein,Protein Gene Products,Proteins, Gene
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
D005109 Extracellular Matrix A meshwork-like substance found within the extracellular space and in association with the basement membrane of the cell surface. It promotes cellular proliferation and provides a supporting structure to which cells or cell lysates in culture dishes adhere. Matrix, Extracellular,Extracellular Matrices,Matrices, Extracellular

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