factor-dependent hamster lung fibroblasts ( ccl39 ) were transfected with plasmid vectors expressing normal ha-ras , t24 ha-ras , v-ki-ras or myc oncogenes placed under the transcriptional control of potent viral or inducible ( metallothionein-i ) promoters .
C0086661
myc oncogenes
C1158770
transcriptional control