3748
In MM cells that proliferated in response to IL-6 , exogenous IL-6 downregulated dephosphorylated pRB and decreased dephosphorylated pRB -E2F complexes .
 ( protein: IL-6, None) , ( protein: dephosphorylated pRB, None) , ( protein: IL-6, None) , ( cell line: MM cells, None) , ( protein: pRB -E2F complexes, None) , ( protein: pRB, None) , ( protein: pRB, 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: IL-6, None) , ( protein: dephosphorylated pRB, None) , ( protein: IL-6, None) , ( cell line: MM cells, None) , ( protein: pRB -E2F complexes, None) , ( protein: pRB, None) , ( protein: pRB, None) 