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Activation of c-myc and c-K-ras oncogenes in primary rat tumors induced by ionizing radiation.

机译:电离辐射诱导的原发性大鼠肿瘤中c-myc和c-K-ras癌基因的激活。

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An activated K-ras oncogene was detected by transfection in NIH 3T3 cells and by Southern blot analysis in 6 of 12 rat skin tumors induced by ionizing radiation. The DNA from 10 of the 12 tumors also showed c-myc gene amplification and restriction polymorphisms. Evidence for tissue specificity was observed in patterns of oncogene activation, with each of three clear cell carcinomas exhibiting activation of both c-myc and K-ras oncogenes.
机译:通过在NIH 3T3细胞中转染并通过Southern blot分析在电离辐射诱导的12只大鼠皮肤肿瘤中的6种中检测到了活化的K-ras癌基因。 12种肿瘤中10种的DNA也显示c-myc基因扩增和限制性多态性。在癌基因激活模式中观察到组织特异性的证据,三种透明细胞癌均表现出c-myc和K-ras癌基因的激活。

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