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H-89 substantially suppressed LPS -induced TNF mRNA accumulation in unprimed cells , but had no effect on primed monocytes following LPS stimulation .
 primed monocytes, TNF, monocytes, unprimed cells, TNF mRNA
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:
 primed monocytes, TNF, monocytes, unprimed cells, TNF mRNA