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In contrast, a significant correlation between NGAL expression in breast cancer was found with several other markers of poor prognosis, including estrogen and progesterone receptor -negative status and high proliferation ( S-phase fraction ).
 ( protein: NGAL, None) , ( protein: progesterone receptor, 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: NGAL, None) , ( protein: progesterone receptor, None) 