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Expression of E-cadherin in skin carcinomas
H Tada1, M Hatoko, T Muramatsu
1Department of Dermatology, Nara Medical University, Kashihara, Japan.
The Journal of Dermatology
|February 1, 1996
Summary
E-cadherin expression is maintained in basal cell carcinoma but reduced in squamous cell carcinoma and other invasive skin cancers. This E-cadherin reduction correlates with increased invasion and metastasis potential in skin carcinomas.
Area of Science:
- Oncology
- Dermatology
- Cell Biology
Background:
- E-cadherin is a crucial cell adhesion molecule involved in maintaining tissue structure.
- Altered E-cadherin expression is implicated in the progression of various cancers.
Purpose of the Study:
- To investigate E-cadherin expression in different types of human skin carcinoma.
- To correlate E-cadherin levels with the invasive and metastatic potential of skin cancers.
Main Methods:
- Immunohistochemical staining was performed on 31 human skin carcinoma samples.
- A monoclonal antibody specific for E-cadherin was used.
- Expression patterns were compared between tumor types and normal epidermis.
Main Results:
- Strong E-cadherin expression was observed in basal cell carcinoma (BCC), similar to normal epidermis.
- A marked decrease or loss of E-cadherin was found in squamous cell carcinoma (SCC), Paget's disease, and Bowen's disease.
- Trichilemmal carcinoma showed a slight reduction in E-cadherin expression.
Conclusions:
- Reduced E-cadherin expression is associated with invasive and metastatic potential in human skin carcinomas.
- E-cadherin may serve as a prognostic marker for skin cancer progression.