Abstract
A human melanoma cell line (HU 214) with high growth potential was established from a lymph node metastasis of a patient with advanced cutaneous melanoma. The cells of this line were able to grow in monolayer (according to the Rosenblum technique) and in agar (according to the Courtenay-Mills method), and formed tumors when injected in nude mice. The line has been maintained in culture for more than 47 passages. The cell cultures were periodically characterized (every 6-8 passages) by immunohistochemistry using a panel of monoclonal antibodies (MoAbs) including MoAbs against tumor-associated antigens (antimelanoma, antiglioma and anti-LLA), against vimentin, and against major histocompatibility antigens, and including also Ki 67, a MoAb which reacts with a nuclear antigen associated with cell proliferation. The results of this characterization indicate that we have established a human melanoma cell line with a stable antigenic phenotype during subculturing, poorly differentiated cells, and a high growth potential.
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