6301
Thus, exposure to IL-6 may inhibit expression of the class A MSR in differentiated macrophages at transcriptional levels.
 ( cell type: macrophages, None) , ( protein: MSR, None) , ( protein: class A MSR, None) , ( protein: IL-6, 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: macrophages, None) , ( protein: MSR, None) , ( protein: class A MSR, None) , ( protein: IL-6, None) 