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CD44 exon 6 expression as a possible early prognostic factor in primary node negative breast carcinoma
N Guriec1, L Marcellin, B Gairard
1Institut de Recherche en Hématologie, Hôpitaux Universitaires, Strasbourg, France.
Clinical & Experimental Metastasis
|October 1, 1996
Summary
CD44 exon 6 expression may predict breast cancer metastasis. This study found a significant correlation between CD44 exon 6 levels and patient survival, suggesting its potential as a prognostic marker.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Breast cancer is a leading cause of mortality in women.
- Identifying reliable prognostic markers is crucial for effective breast cancer management.
- CD44 isoforms, including those with alternative splicing, are implicated in cancer progression.
Purpose of the Study:
- To investigate the expression of CD44 exon 6 in various breast tissue samples.
- To determine the correlation between CD44 exon 6 expression and clinical outcomes in breast cancer patients.
Main Methods:
- Semi-quantitative reverse transcription-polymerase chain reaction (RT-PCR) was used to analyze CD44 exon 6 expression.
- Samples included normal breast tissue, fibroadenomas, cystic lesions, and primary breast tumors.
Main Results:
- CD44 exon 6 expression showed a significant correlation with overall survival in the N-M-population (P = 0.032).
- A strong association was also observed between CD44 exon 6 expression and disease-free survival (P = 0.000002).
Conclusions:
- CD44 exon 6 expression, detected by RT-PCR, may serve as a valuable prognostic indicator for metastasis in breast cancer.
- Further validation through larger retrospective and prospective studies is warranted.