normal human adult and embryonal dermal fibroblasts , fibrosarcoma-derived fibroblasts and sv40-transformed fibroblasts were tested against conditioned medium from fibroblasts , the chemotactic peptide c-140 of fibronectin , platelet-derived growth factor , and leukotriene b4 as attractants in the presence or absence of the interferons .
C0016057
fibrosarcoma
C0016030
fibroblasts