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Interleukin 6-induced differentiation of a human B cell line into IgM-secreting plasma cells is mediated by c-fos .
 DNA: c-fos; cell type: IgM-secreting plasma cells; cell line: human B cell line
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 DNA: c-fos; cell type: IgM-secreting plasma cells; cell line: human B cell line