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Inicio Revista Clínica de Periodoncia, Implantología y Rehabilitación Oral E-cadherin and c-Met expression in actinic cheilits and lip squamous cell carcin...
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Vol. 4. Núm. 3.
Páginas 122-125 (diciembre 2011)
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Vol. 4. Núm. 3.
Páginas 122-125 (diciembre 2011)
Open Access
E-cadherin and c-Met expression in actinic cheilits and lip squamous cell carcinoma
Visitas
1218
A. Martínez1,
Autor para correspondencia
almartin@udec.cl

Correspondencia autor: Roosevelt 1550. Concepción. Chile.
, M.L. Spencer1, J. Borlando2, M. Flores3, I.G. Rojas4
1 Departments of Oral Pathology. School of Dentistry, College of Medicine. University of Concepción, Chile
2 Departments of Pathology. School of Dentistry, College of Medicine. University of Concepción, Chile
3 Departments of Public Health. School of Dentistry, College of Medicine. University of Concepción, Chile
4 Departments of Oral Surgery. School of Dentistry, College of Medicine. University of Concepción, Chile
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Abstract
Objective

The aim of this study was to assess epithelial expression of E-cadherin and c-Met in normal lip, in actinic cheilitis and lip squamous cell carcinoma.

Study Design

Biopsies of normal lip vermillion (NL, n=18), actinic cheilitis (AC, n=37), and lip SCC (n=22) were processed for E-cadherin and c-Met immunodetection. Epithelial and tumor cell expression was scored for each sample considering staining intensity and percentage.

Results

E-cadherin expression was significantly reduced in AC and lip SCC as compared to normal lip (P<0.05), with a significant reduction in lip SCC as compared to AC (P=0.003). Expression of c-Met was significantly higher in AC and lip SCC as compared to NL (P<0.05), with a significant increase in lip SCC as compared to AC (P<0.0001).

Conclusion

The results showed that epithelial E-cadherin expression is reduced and c-Met expression is increased as lip carcinogenesis progresses, suggesting that these proteins may be useful markers of malignant transformation.

Key words:
E-cadherin
c-Met
lip carcinogenesis
UV light
actinic cheilitis
lip squamous cell carcinoma
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Copyright © 2011. Sociedad de Periodoncia de Chile, Sociedad de Implantología Oral de Chile y Sociedad de Prótesis y Rehabilitación Oral de Chile
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