12285
We used cytokine production as a readout for monocyte activation and found that CD15 cross-linking induced TNF-alpha release from peripheral blood monocytes and cells from the monocytic cell line MM6 .
 ( cell line: monocytic cell line MM6, None) , ( cell type: peripheral blood monocytes, None) , ( protein: TNF-alpha, 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:
 ( cell line: monocytic cell line MM6, None) , ( cell type: peripheral blood monocytes, None) , ( protein: TNF-alpha, None) 