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    ABSTRACT: To investigate the relationship between the expressions of integrin alpha5 beta1 and E-CD, and clinicopathological characteristics and prognosis of patients with non-small cell lung carcinoma (NSCLC). The expression of integrin alpha5 beta1 and E-CD were analyzed in 53 NSCLC and 12 control specimens by immunohistochemical assay. The expression of integrin alpha5 beta1 was significantly higher in NSCLC (58.5%) than that in normal lung tissue (16.7%), and also positively related with pathological characteristics (P = 0.021), lymph node metastasis (P = 0.006), and clinical stage (P = 0.002). The 3-year survival rate in NSCLC group was significantly lower than that in control group (22.3% vs 40.6% , P = 0.041). The positive expression of E-CD in NSCLC and control group was 32.1% and 91.7%, respectively, and negatively correlated with pathological characteristics (P = 0.010) and lymph node metastasis (P = 0.002). The 3-year survival rate in control group was 19.9%, lower than that in NSCLC group (41.2%, P > 0.05), but the difference is not significant. The overexpression of integrin alpha5 beta1 may contribute to lymph node metastasis and play an inverse role, while E-CD may be a beneficial prognostic factor in patients with NSCLC.
    No preview · Article · Nov 2006 · Zhonghua zhong liu za zhi [Chinese journal of oncology]