We have established a cell line derived from a pleural effusion of breast scirrhous carcinoma. This cell line presented immunohistochemically negative for estrogen receptor and slightly positive for progesterone receptor, and positive for c-erbB/HER2/neu. However the original tumor was found to be positive for estrogen receptor and progesterone receptor and slightly positive for c-erbB/HER2/neu expression. Enzyme and electrochemiluminescence immunoassays of tumor markers in the conditioned medium by the cell line revealed they secrete CA15-3, NCC-ST-439 and HER2 protein. We believe the cell line will contribute to the therapeutic study of malignant breast cancer.
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| http://dx.doi.org/10.1111/j.1749-0774.2008.00056.x | DOI Listing |
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