13308
AR protein decreased by 70% and PSA levels in supernatants from LNCaP cells were reduced by approximately 80% following treatment with MCM .
 ( cell line: LNCaP cells, None) , ( protein: AR, None) , ( protein: PSA, None) , ( protein: AR protein, 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 line: LNCaP cells, None) , ( protein: AR, None) , ( protein: PSA, None) , ( protein: AR protein, None) 