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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 .
 interleukin-2, BCL-6, anti-IgM antibodies, phytohemagglutinin, BCL-6 mRNA, human B cells, human T lymphocytes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 interleukin-2, BCL-6, anti-IgM antibodies, phytohemagglutinin, BCL-6 mRNA, human B cells, human T lymphocytes