listed in order of decreasing pn production , pn was detected in media conditioned by the following cell types : human foreskin fibroblasts ( 0.18 micrograms/10 ( 6 ) cells ) , rat embryo heart muscle cells ( 0.13 micrograms/10 ( 6 ) cells ) , mouse myotubes ( 0.1 micrograms/10 ( 6 ) cells ) , monkey kidney epithelial cells , human fibrosarcoma cells , human lung fibroblasts , simian virus 40 ( sv-40 ) -transformed human fibroblasts , human epidermoid carcinoma cells , bovine aortic endothelial cells ( only after phorbol ester treatment ) , and mouse myoblasts .
C0016057
fibrosarcoma
C0016030
fibroblasts