| 摘要 |
The present invention is concerned with novel monoclonal antibodies specific for an antigenic site on a protein characteristic of a human basal cell and a malignant squamous cell. The antibodies do not bind to mesenchymal cells such as fibroblasts and endothelial cells. The protein on the cell surface which binds to one of the antibodies has a molecular weight of about 120,000 as determined by one dimensional gel electrophoresis. The antibodies find use in diagnostic methods such as the detection of malignant cells, e.g., the detection of residual tumor cells in skin subjected to microscopically-controlled surgery.
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