as detected by radiolabeling cold-sensitive tsa1499- or heat-sensitive tsa58-transformed rat fibroblasts with [ 32p ] orthophosphate or by in vitro labeling extracts with [ gamma-32p ] atp the hyperphosphorylation of certain cellular phosphoproteins including p53 and also of free sv40 large t antigen and t antigen complexed with p53 is strictly correlated with the expression of the transformed phenotype .
C0016030
fibroblasts
C0007634
cellular