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KMID : 0358420040470122465
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Korean Journal of Obstetrics and Gynecology
2004 Volume.47 No. 12 p.2465 ~ p.2471
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Expression of TADG-15 in Squamous Cell Carcinoma of the Uterine Cervix
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이정원/Lee JW
이지은/민정애/이선주/송상용/김병기/박창수/손영수/이제호/배덕수/Lee JE/Min JA/Lee SJ/Song SY/Kim BG/Park CS/Son YS/Lee JH/Bae DS
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Abstract
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Objective: Tumor-associated differentially expressed gene-15 (TADG-15/Matriptase/MT-SP1) is an epithelial-derived, integral serine protease which has been implicated in the progression of epithelial tumors. The aims of this study were to evaluate the expression pattern of TADG-15 in cervical squamous cell carcinoma and investigate the different expressions according to presence of lymph node metastasis.
Methods: Tumor specimens were obtained from each 20 patients with invasive squamous cell carcinoma (ISCC) with and without lymph node (LN) metastasis. Normal cervical tissues as control were obtained from 10 patients with myoma uteri. Immunohistochemical analysis was performed with antibody to TADG-15.
Results: The immunohistochemical staining showed that the expression of TADG-15 was undetectable in all normal squamous epithelia, but had variable staining in the basal layer of normal endocervical glands. The expression of TADG-15, exhibiting cytoplasmic and membranous staining, were significantly up-regulated in almost all (95%) of the ISCC in comparison to the normal control (P<0.001). But the expression of TADG-15 was not significantly different between ISCC with and ISCC without LN metastasis (P=0.56). However there was increasing tendency of expression in ISCC with LN metastasis in comparison to ISCC without LN metastasis.
Conclusion: These results suggest that TADG-15 may play a significant role in carcinogenesis of squamous cell carcinoma of the uterine cervix and may represent novel markers for this disease. Further studies of serine protease and TADG-15 gene will likely result in the development of novel approaches for early detection and therapy of this disease.
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KEYWORD
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