when nil2c2 , a metastatic clone derived from hamster embryo fibroblasts ( nil ) , was inoculated over [ 3h ] leucine-labeled fixed cells , nil2c2 cells solubilized and phagocytosed fixed cells , and the radioactivity was released into the culture medium as trichloroacetic acid-soluble fragments .
C0016030
fibroblasts
C0007634
cells