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Detection of Human Leukocyte Antigen Biomarkers in Breast Cancer Utilizing Label-free Biosensor Technology
Published on: March 24, 2015
Ca549 immunoassay in breast-tissue - comparison with ca15.3 and mca.
1GEN HOSP,CTR STUDY BIOL MARKERS MALIGNANCY,I-30122 VENICE,ITALY. UNIV PADUA,INST LAB MED,I-35100 PADUA,ITALY. GEN HOSP,SERV PATHOL ANAT,I-30122 VENICE,ITALY.
International Journal of Oncology
|May 17, 2011
Summary
This study found that the mucin marker CA549, along with CA15.3 and MCA, is elevated in breast cancer tissue. Unlike CA15.3 and MCA, CA549 correlates with receptor status and metastasis, suggesting distinct roles for these breast cancer markers.
Area of Science:
- Oncology
- Biochemistry
- Pathology
Background:
- Mucin markers are often used as biomarkers in breast cancer.
- The clinical significance of specific mucin markers like CA549, CA15.3, and MCA in relation to pathological characteristics requires further elucidation.
Purpose of the Study:
- To investigate the relationship between mucin markers (CA549, CA15.3, MCA) and clinical-pathological features in breast cancer.
- To determine if these mucin markers are interchangeable or possess distinct biological roles.
Main Methods:
- Quantification of CA549, CA15.3, and MCA in 82 primary breast carcinomas and 47 normal breast tissue samples using commercial assays.
- Analysis of marker levels in relation to receptor status and axillary metastasis.
- Correlation analysis of cytosol levels and ratios between the three markers.
Main Results:
- CA549, CA15.3, and MCA levels were significantly higher in breast cancer tissue compared to normal tissue.
- CA549 demonstrated a direct association with receptor status and the presence of axillary metastasis, differentiating it from CA15.3 and MCA.
- While cytosol levels of the three markers were correlated, their ratios varied significantly among patients.
Conclusions:
- The mucin markers CA549, CA15.3, and MCA are not interchangeable in breast cancer assessment.
- These markers may have distinct biological functions at the tissue level.
- CA549 shows potential as a marker associated with specific clinical and pathological characteristics in breast cancer.

