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Loss of epithelium cadherin expression is associated with reduced overall survival and disease-free survival in early-stage squamous cell cervical carcinoma
  1. P. Dursun*,
  2. K. Yuce,
  3. A. Usubutun and
  4. A. Ayhan
  1. *Departments of Obstetrics and Gynecology and
  2. Pathology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
  1. Address correspondence and reprint requests to: Polat Dursun, MD, Department of Obstetrics and Gynecology, Faculty of Medicine, Hacettepe University, Ankara, Turkey. Email: pdursun{at}ttnet.net.net.tr; pdursun{at}yahoo.com

Abstract

Epithelium cadherin (E-cad) is important for cell-to-cell adhesion of epithelial cells. Impairment of E-cad may have a role in the development and spreading of different malignancies and associated with poor differentiation, increased invasiveness, and poor prognostic factors in nongynecological carcinomas. However, prognostic significance of E-cad expression has not been investigated properly in cervical squamous cell carcinoma (SCC). The objective of this study was to investigate the association between reduced E-cad expression and clinicopathologic variables of cervical carcinoma. Specimens from 53 consecutive patients with stage IB–IIA SCC were evaluated immunohistochemically for E-cad expression, and the results were compared to grade, lymphvascular space invasion (LVSI), deep stromal involvement (DSI), parametrial involvement, lymph node metastasis, recurrences, and survival. Patients were divided into two groups arbitrarily: E-cad expression less than 10% (group 1) and E-cad expression more than 10% (group 2). There was no significant relationship between E-cad expression and DSI, LVSI, lymphatic metastasis. However, there was significant relationship between reduced E-cad expression and parametrial involvement (P= 0.024). Kaplan–Meier survival analysis revealed that reduced E-cad expression is significantly associated with reduced overall survival (OS) and disease-free survival (DFS). Furthermore, Cox regression analysis revealed that reduced E-cad expression is significantly associated with OS (P= 0.004, RR = 6.08, 95% CI: 1.75–21.1) and recurrences (P= 0.027, RR = 1.75, 95% CI: 1.06–2.88). We conclude that loss of E-cad expression is significantly associated with reduced OS and DFS in patients with SCC. Therefore, it might be used as an indicator of aggressive clinical behavior and tailoring aggressive adjuvant therapy in early-stage SCC. Further studies with larger number of patients are needed to evaluate the clinical significance of reduced E-cad expression in SCC.

  • adhesion molecules
  • E-cadherin
  • recurrence
  • survival
  • uterine cervical carcinoma

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