12058
In this study, a series of Burkitt's lymphoma (BL) cell lines were assayed for their expression of tissue inhibitor of metalloproteinases (TIMP)-1 .
 ( protein: tissue inhibitor of metalloproteinases (TIMP)-1, None) , ( cell line: Burkitt#$%#s lymphoma (BL) cell lines, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: tissue inhibitor of metalloproteinases (TIMP)-1, None) , ( cell line: Burkitt#$%#s lymphoma (BL) cell lines, None) 