7915
Importantly, methylprednisolone -mediated enhancement of the uptake of apoptotic neutrophils did not trigger the release of the chemokines IL-8 and monocyte chemoattractant protein-1 .
 ( protein: chemokines, None) , ( cell type: apoptotic neutrophils, None) , ( protein: monocyte chemoattractant protein-1, None) , ( protein: IL-8, 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: chemokines, None) , ( cell type: apoptotic neutrophils, None) , ( protein: monocyte chemoattractant protein-1, None) , ( protein: IL-8, None) 