1388
We investigated the possible mechanisms of estradiol acting via the polymorphonuclear leukocytes ( PMNs ), which are important in the immune response .
 ( cell type: PMNs, None) , ( cell type: polymorphonuclear leukocytes, 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: PMNs, None) , ( cell type: polymorphonuclear leukocytes, None) 