5122
Similar downregulation of BCL-6 mRNA was seen in human B cells stimulated with Staphylococcus aureus plus interleukin-2 or anti-IgM antibodies and in human T lymphocytes stimulated with phytohemagglutinin .
 ( protein: interleukin-2, None) , ( protein: BCL-6, None) , ( protein: anti-IgM antibodies, None) , ( protein: phytohemagglutinin, None) , ( RNA: BCL-6 mRNA, None) , ( cell type: human B cells, None) , ( cell type: human T lymphocytes, 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: interleukin-2, None) , ( protein: BCL-6, None) , ( protein: anti-IgM antibodies, None) , ( protein: phytohemagglutinin, None) , ( RNA: BCL-6 mRNA, None) , ( cell type: human B cells, None) , ( cell type: human T lymphocytes, None) 