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1.
Med Oncol ; 30(1): 437, 2013 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-23292837

RESUMEN

The purpose of this study was to analyze ß-catenin and matrix metalloproteinase-2 (MMP-2) expression in non-small cell lung cancer (NSCLC) and to investigate the association between their expression and clinicopathologic characteristics of NSCLC patients. Immunohistochemistry was performed to examine ß-catenin and MMP-2 protein expression in 39 resected NSCLC samples and 8 adjacent normal lung tissues. Statistical analysis with SPSS13.0 software was performed to investigate the association between ß-catenin and MMP-2 expression and clinicopathologic features of the patients. Expression of cytosolic ß-catenin in NSCLC tissue was significantly higher than that in normal tissues (P < 0.001). In addition, cytosolic protein expression of ß-catenin in lung squamous cell carcinoma was significantly elevated compared to that in lung adenocarcinoma (P = 0.02). However, cell membrane protein expression of ß-catenin in squamous cell carcinoma was lower than that in adenocarcinoma (P = 0.041). Cytosolic MMP-2 protein expression in NSCLC samples was significantly higher than that in normal tissues (P = 0.002). MMP-2 expression in N (1-2) NSCLC patients was significantly increased relative to N (0) patients (P = 0.019). However, statistical analysis showed no correlation between ß-catenin and MMP-2 expression in NSCLC samples. Collectively, our results show that cytosolic protein expression of ß-catenin in NSCLC samples is increased relative to normal lung tissues. Also, expression of ß-catenin is significantly elevated in squamous cell carcinoma compared to that in lung adenocarcinoma subtypes. Additionally, MMP-2 expression in N (1-2) NSCLC tissues is higher than that in N (0) lung tissue. There is no correlation between ß-catenin and MMP-2 expression in NSCLC, and our study suggests that evaluation of ß-catenin and MMP-2 expression may have potential in diagnosis and progression in patients with NSCLC.


Asunto(s)
Biomarcadores de Tumor/análisis , Carcinoma de Pulmón de Células no Pequeñas/metabolismo , Neoplasias Pulmonares/metabolismo , Metaloproteinasa 2 de la Matriz/biosíntesis , beta Catenina/biosíntesis , Carcinoma de Pulmón de Células no Pequeñas/patología , Femenino , Humanos , Inmunohistoquímica , Neoplasias Pulmonares/patología , Masculino , Metaloproteinasa 2 de la Matriz/análisis , Persona de Mediana Edad , beta Catenina/análisis
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