in addition , when serum-starved chicken embryo fibroblasts transformed by a virus mutant temperature-sensitive for transformation were shifted from the nonpermissive to permissive temperature , an increase of 50-100 % in the labeling of phosphatidylinositol 4-phosphate , phosphatidylinositol 4,5-bisphosphate , and phosphatidic acid was observed , as compared to uninfected cells .
C0016030
fibroblasts
C0007634
cells