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CD24 is a marker for human breast carcinoma.
M Fogel1, J Friederichs, Y Zeller
1Tumor Immunology Research Laboratory, Kaplan Hospital, Rehovot, Israel.
Cancer Letters
|August 28, 1999
Summary
CD24, a cell surface molecule, is highly expressed in breast carcinomas, differing from benign lesions. Its increased expression correlates with tumor grade, suggesting CD24 as a potential marker for breast cancer and metastasis.
Area of Science:
- Oncology
- Cell Biology
- Immunology
Background:
- CD24 is a cell surface molecule involved in cell adhesion.
- The P-selectin-CD24 interaction is crucial for breast carcinoma cell adhesion to platelets and endothelial cells.
Purpose of the Study:
- To analyze CD24 expression in human breast carcinoma cell lines and tissues.
- To investigate the potential of CD24 as a biomarker for breast cancer.
Main Methods:
- Utilized the CD24-specific antibody ML-5.
- Analyzed CD24 expression on breast carcinoma cell lines and fresh tumor specimens.
- Compared CD24 expression patterns in malignant versus benign breast lesions.
Main Results:
- CD24 is abundantly expressed on breast carcinoma cell lines and fresh tissues.
- Differential CD24 expression observed: cytoplasmic in carcinomas, apical in benign lesions.
- Higher histological tumor grade correlated with increased CD24 expression intensity.
Conclusions:
- CD24 is a promising biomarker for human breast carcinoma.
- CD24 may facilitate breast cancer metastasis through interactions with platelets and endothelial cells.