Abstract
Epidermal growth factor (EGF) receptor is expressed selectively by human melanoma cells which show the presence of an extra copy of chromosome 7. None of the cells of benign pigmented lesions (nevi) or radial growth phase (nonmetastatic) primary melanoma expressed EGF receptor and none of these cells showed an extra copy of chromosome 7. The results indicate that a single extra dose of a gene (for EGF receptor) may provide a selective advantage to cells in the late stages of tumorigenesis.
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Koprowski, H., Herlyn, M., Balaban, G. et al. Expression of the receptor for epidermal growth factor correlates with increased dosage of chromosome 7 in malignant melanoma. Somat Cell Mol Genet 11, 297–302 (1985). https://doi.org/10.1007/BF01534687
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DOI: https://doi.org/10.1007/BF01534687