A Transposon-based Analysis Reveals RASA1 Is Involved in Triple-Negative Breast Cancer

Abstract excerpt

Abstract RAS genes are mutated in 20% of human tumors, but these mutations are very rare in breast cancer. Here, we used a mouse model to generate tumors upon activation of a mutagenic T2Onc2 transposon via expression of a transposase driven by the keratin K5 promoter in a p53+/− background. These animals mainly developed mammary tumors, most of which had transposon insertions in one of two RASGAP genes,...

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