8437
Daidzein and genistein glucuronides ( DG and GG ), major isoflavone metabolites , may be partly responsible for biological effects of isoflavones , such as estrogen receptor binding and natural killer cell (NK) activation or inhibition .
 ( cell type: natural killer cell, 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: natural killer cell, None) 