however , nrk fibroblasts transformed with the kirsten ras viral oncogene ( k-nrk ) or nmumg cells transformed with a point-mutated c-harvey-ras proto-oncogene or polyoma middle t-transforming gene ( nmumg-rash and nmumg-pyt , respectively ) exhibited rapid growth and formed large colonies when cultured on an fc43-medium interphase .
C0007634
cells
C0021798
interphase