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Altered CD44 variant 6 expression in FIGO stage IB cervical carcinoma
1Department of Obstetrics and Gynecology, Hacettepe University School of Medicine, Ankara, Turkey. aayhan@hacettepe.edu.tr
Gynecologic Oncology
|December 6, 2001
Summary
CD44v6 overexpression in cervical cancer predicts advanced disease and poorer survival. Non-basal CD44v6 expression is a significant independent predictor of overall survival in early-stage cervical carcinoma.
Area of Science:
- Oncology
- Cell Biology
- Pathology
Background:
- CD44 is an adhesion molecule crucial for tumor cell interactions in metastasis.
- CD44v6 plays a role in the metastatic cascade, interacting with the endothelium and subendothelial matrix.
- Understanding CD44v6 expression in cervical cancer is vital for prognostic assessment.
Purpose of the Study:
- To investigate CD44v6 expression in uterine cervical cancers.
- To correlate CD44v6 expression with clinicopathologic prognostic variables.
- To examine the relationship between CD44v6 expression and patient survival.
Main Methods:
- Immunohistochemical analysis of CD44v6 expression in 88 uterine cervical cancer tissues.
- Comparison of tumoral CD44v6 expression with nonneoplastic tissue.
- Correlation with prognostic variables and survival analysis (Kaplan-Meier, Cox regression).
Main Results:
- Non-basal CD44v6 expression was significant in nonsquamous cancers, larger tumors (>3 cm), and recurrent tumors.
- Patient age correlated with disease-free survival.
- Tumor diameter, stromal invasion, lymph node involvement, general CD44v6, and non-basal CD44v6 expression predicted 5-year overall survival.
- Non-basal CD44v6 expression and lymph node involvement were independent predictors of overall survival.
Conclusions:
- CD44v6 expression is linked to prognostic variables in cervical carcinoma.
- CD44v6 expression predicts advanced pathological-surgical stage in early cervical cancer.
- Non-basal CD44v6 expression is a significant predictor of overall survival.