Expresión inmunohistoquímica del complejo E-caderina-catenina en cáncer gástrico: Relación con variables clínico-morfológicas y sobrevida de pacientes
Background: The E-cadherin/catenin complex plays an essential role in the control of epithelial differentiation. Abnormal expression in tumors correlates with histological grade, advanced stage and poor prognosis. Aim: To evaluate the expression pattern of E-cadherin/catenin complex in gastric carcinoma and analyze their association with tumor clinicopathological features and patient survival. Material and Methods: Inmunohistochemical staining of E-cadherin, alpha and ß-catenin was performed from paraffin specimens of 65 gastric carcinomas. Results: Abnormal expression of E-cadherin, alpha and ß-catenin was demonstrated in 82%, 85% and 88% of gastric carcinomas, respectively. There was a significant correlation between abnormal expression and Lauren pathological classification and depth of infiltration, but not with tumor stage, positive lymph node metastases and survival. Conclusion: Abnormal expression of E-cadherin, alpha and ß-catenin occurs frequently in gastric carcinoma and correlates with histological grade (Rev Méd Chile 2006; 134: 1002-9).
Main Authors: | Guzmán G,Pablo, Araya O,Juan, Villaseca H,Miguel, Roa E,Iván, Melo A,Angélica, Muñoz N,Sergio, Roa S,Juan |
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Format: | Digital revista |
Language: | Spanish / Castilian |
Published: |
Sociedad Médica de Santiago
2006
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Online Access: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872006000800009 |
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