3176
Thus, there was a statistically significant correlation of cytolytic effector cell function with HER-2/neu expression of the tumor (P = 0.003), and HER-2/neu overexpression correlated with a negative estrogen receptor status (P = 0.005).
 ( protein: estrogen receptor, None) , ( protein: HER-2/neu, None) , ( protein: HER-2/neu, 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: estrogen receptor, None) , ( protein: HER-2/neu, None) , ( protein: HER-2/neu, None) 