14236
We tested the ability of human TSP 1 -chloramphenicol acetyltransferase constructs to respond to serum in stably transfected NIH-3T3 cells.
 ( DNA: human TSP 1 -chloramphenicol acetyltransferase constructs, None) , ( protein: -chloramphenicol acetyltransferase, None) , ( protein: TSP 1, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: human TSP 1 -chloramphenicol acetyltransferase constructs, None) , ( protein: -chloramphenicol acetyltransferase, None) , ( protein: TSP 1, None) 