Immunolocalization of matrix metalloproteinases and tissue inhibitors of metalloproteinases in human chondrosarcomas. 1997

A Kawashima, and Y Okada, and I Nakanishi, and Y Ueda, and K Iwata, and A Roessner
Department of Pathology, Faculty of Medicine, Otto-von-Guericke University, Magdeburg, Germany.

We have immunohistochemically examined the localization of matrix metalloproteinases (MMPs) and tissue inhibitors of matrix metalloproteinases (TIMPs) in human chondrosarcomas (CHS) (23 cases) and benign chondroid lesions (BCL) (16 cases of osteochondromas and 11 cases of enchondromas). In CHS, all the MMPs and TIMPs examined were positive. Among them, MMP-1 was immunolocalized in more than 90% of both CHS and BCL, but positive score of MMP-1 was significantly higher in CHS than that in BCL (p < 0.01). Compared with BCL, CHS expressed MMP-3 at a low level, and more often positive in MMP-9. It is possible that chondrosarcoma might have a tendency to lose the ability to secrete MMP-3, which is a metalloproteinase that can degrade cartilage proteoglycans and is related to normal cartilage turnover. MMP-2, TIMP-1 and TIMP-2 were immunolocalized in more than 70% of the cases of both BCL and CHS, but the positive scores of these were not statistically different between the two groups. Interestingly, in several cases of CHS, both MMP-1 and MMP-9 immunostains were observed preferentially within the cells at the marginal areas of cartilaginous lobules. These findings suggest that increased expression of MMP-1 and MMP-9 and decrease in MMP-3 expression are associated with the malignant phenotype of the cartilaginour 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
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
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
D002812 Chondroma A benign neoplasm derived from mesodermal cells that form cartilage. It may remain within the substance of a cartilage or bone (true chondroma or enchondroma) or may develop on the surface of a cartilage (ecchondroma or ecchondrosis). (Dorland, 27th ed; Stedman, 25th ed) Enchondroma,Chondromas,Enchondromas
D002813 Chondrosarcoma A slowly growing malignant neoplasm derived from cartilage cells, occurring most frequently in pelvic bones or near the ends of long bones, in middle-aged and old people. Most chondrosarcomas arise de novo, but some may develop in a preexisting benign cartilaginous lesion or in patients with ENCHONDROMATOSIS. (Stedman, 25th ed) Chondrosarcomas
D005260 Female Females

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