Transforming viruses directly reduce the cellular growth requirement for a platelet derived growth factor.
D001792:Blood Platelets / Q000378:metabolism*; D002460:Cell Line; D002472:Cell Transformation, Viral; D005347:Fibroblasts / Q000502:physiology*; D006133:Growth Substances / Q000494:pharmacology*; D006801:Humans; D010949:Plasma; D013539:Simian virus 40
D006133:Growth Substances