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Association between cyclooxygenase-2 and matrix metalloproteinase-2 expression in non-small cell lung cancer. 2006

Jae Ho Byun, and Myung Ah Lee, and Sang Young Roh, and Byoung Yong Shim, and Sook Hee Hong, and Yoon Ho Ko, and Su Jin Ko, and In Sook Woo, and Jin Hyoung Kang, and Young Seon Hong, and Kyung Shik Lee, and Ah Won Lee, and Gyeong Sin Park, and Kyo Yeong Lee
Department of Internal Medicine, College of Medicine, Catholic University, Seoul 137-040, South Korea.

BACKGROUND Cyclooxygenase-2 (COX-2) contributes to invasiveness of cancer through activation of several matrix metalloproteinases (MMPs). Matrix metalloproteinase-2 (MMP-2) is a proteolytic enzyme that degrades the extracellular matrix, and has been linked to invasion and metastasis. This study aims to assess the correlation of the COX-2 expression and the MMP-2 expression in patients with non-small cell lung cancer (NSCLC). METHODS We analyzed the protein expressions of COX-2 and MMP-2 by immunohistochemical staining on the tissue array specimens from 204 patients with completely resected NSCLC. A <10% immunostaining of the cancer cells was considered negative, while >10% was considered positive. RESULTS The COX-2 expression was positive in 68.1% and that of the MMP-2 was positive in 45.6%. The positive expression rate of MMP-2 (52.5%) in the positive COX-2 group was higher than that in the negative COX-2 group (30.8%, P = 0.004). Furthermore, the MMP-2 expression was associated with lymph node involvement, the tumor stage and the histological type. The patients with a positive MMP-2 expression showed a reduced survival (P = 0.048). CONCLUSIONS The COX-2 expression is associated with the MMP-2 expression in NSCLC patients: the latter may also be associated with tumor progression and reduced survival in NSCLC patients.

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
D007527 Isoenzymes Structurally related forms of an enzyme. Each isoenzyme has the same mechanism and classification, but differs in its chemical, physical, or immunological characteristics. Alloenzyme,Allozyme,Isoenzyme,Isozyme,Isozymes,Alloenzymes,Allozymes
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
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009367 Neoplasm Staging Methods which attempt to express in replicable terms the extent of the neoplasm in the patient. Cancer Staging,Staging, Neoplasm,Tumor Staging,TNM Classification,TNM Staging,TNM Staging System,Classification, TNM,Classifications, TNM,Staging System, TNM,Staging Systems, TNM,Staging, Cancer,Staging, TNM,Staging, Tumor,System, TNM Staging,Systems, TNM Staging,TNM Classifications,TNM Staging Systems
D002289 Carcinoma, Non-Small-Cell Lung A heterogeneous aggregate of at least three distinct histological types of lung cancer, including SQUAMOUS CELL CARCINOMA; ADENOCARCINOMA; and LARGE CELL CARCINOMA. They are dealt with collectively because of their shared treatment strategy. Carcinoma, Non-Small Cell Lung,Non-Small Cell Lung Cancer,Non-Small Cell Lung Carcinoma,Non-Small-Cell Lung Carcinoma,Nonsmall Cell Lung Cancer,Carcinoma, Non Small Cell Lung,Carcinomas, Non-Small-Cell Lung,Lung Carcinoma, Non-Small-Cell,Lung Carcinomas, Non-Small-Cell,Non Small Cell Lung Carcinoma,Non-Small-Cell Lung Carcinomas
D002294 Carcinoma, Squamous Cell A carcinoma derived from stratified SQUAMOUS EPITHELIAL CELLS. It may also occur in sites where glandular or columnar epithelium is normally present. (From Stedman, 25th ed) Carcinoma, Epidermoid,Carcinoma, Planocellular,Carcinoma, Squamous,Squamous Cell Carcinoma,Carcinomas, Epidermoid,Carcinomas, Planocellular,Carcinomas, Squamous,Carcinomas, Squamous Cell,Epidermoid Carcinoma,Epidermoid Carcinomas,Planocellular Carcinoma,Planocellular Carcinomas,Squamous Carcinoma,Squamous Carcinomas,Squamous Cell Carcinomas
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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