1393
In addition, the level of estradiol in human plasma , which PMNs were drawn, showed a close, inverse correlation with the PMNs chemotaxis to FMLP (r = -0.821 p < 0.001).
 ( cell type: human plasma, None) , ( cell type: PMNs, None) , ( cell type: PMNs, 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: human plasma, None) , ( cell type: PMNs, None) , ( cell type: PMNs, None) 