Journal
LUNG CANCER
Volume 51, Issue 3, Pages 323-328Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.lungcan.2005.10.017
Keywords
NSCLC; real-time PCR; lung cancer
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Maspin is a member of the serpin (serine protease inhibitor) superfamily, and some experimental studies revealed a potential tumor suppressor activity of maspin. To reveal clinical significance of maspin status in non-small cell lung cancer (NSCLC), we quantitatively evaluated maspin gene expression in Lung primary tumors cut from a total of 55 resected NSCLC patients. Maspin expression in squamous cell carcinoma (Sq) was significantly higher than that in adenocarcinoma (Ad, p = 0.011). Five-year overall survival rates of maspin-high and maspin-tow patients were 67.7 and 41.4%, respectively, demonstrating a significant favorable prognosis of maspin-high patients (log-rank, p = 0.042). A multivariate analysis confirmed that high maspin expression was an independent and significant factor to predict a favorable overall survival (p = 0.031). These results suggested that maspin expression was significantly increased in Sq than in Ad, and that increased maspin expression was a significant factor to predict a favorable prognosis in resected NSCLC. (c) 2005 Elsevier Ireland Ltd. All rights reserved.
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