We tested the ability of human TSP 1 -chloramphenicol acetyltransferase constructs to respond to serum in stably transfected NIH-3T3 cells .
we tested the ability of human tsp 1 -chloramphenicol acetyltransferase constructs to respond to serum in stably transfected nih-3t3 cells .
O O O O O B-DNA_molecule B-protein_molecule I-protein_molecule B-protein_molecule I-protein_molecule O O O O B-tissue O O O O O O