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Oncogene expression in related cancer lines differing in metastatic capacity
J Pohl1, A Radler-Pohl, R Heicappell
1Institute for Immunology and Genetics, German Cancer Research Center, Heidelberg.
Clinical & Experimental Metastasis
|May 1, 1988
Abstract:
Various murine tumor cell lines with different metastatic capacities were tested in vitro for oncogene expression, especially of the p21-Ha-ras protein. Small differences were seen in the expression of several distinct oncogenes in the case of a high metastatic lymphoma variant (ESb) and its low metastatic parental line (Eb). In one instance we observed a 30-fold Ha-ras gene amplification in a metastasis-derived cell line from a spontaneous mouse mammary carcinoma. In spite of this amplification we did not find an increased p21 expression in these cells.