resident peritoneal mouse macrophages ( non-dividing differentiated cells ) were fused with mouse embryo fibroblasts ( cells with a limited lifespan ) , nih 3t3 and c3h 10t 1/2 cells ( 'immortal ' cell lines ) and sv 3t3 cells ( a malignant cell line ) .
C0007589
differentiated
C0007634
cells