7719
Spi-C RNA was expressed in mature B lymphocytes and at lower levels in macrophages .
 ( cell type: mature B lymphocytes, None) , ( cell type: macrophages, None) , ( RNA: Spi-C RNA, None) , ( protein: Spi-C, 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: mature B lymphocytes, None) , ( cell type: macrophages, None) , ( RNA: Spi-C RNA, None) , ( protein: Spi-C, None) 