a clue to the molecular mechanism of neoplastic transformation was provided by the finding of a near identity in amino-acid sequence between the platelet-derived growth factor ( pdgf ) b-chain and a region in the transforming protein , p28sis , of simian sarcoma virus ( ssv ) , an agent that causes sarcomas and gliomas in experimental animals .
C0007621
neoplastic transformation
C1510411
transforming