6760
Chemokines are a group of chemotactic cytokines involved in the recruitment of inflammatory cells .
 ( cell type: inflammatory cells, None) , ( protein: chemotactic cytokines, 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 type: inflammatory cells, None) , ( protein: chemotactic cytokines, None) 