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In this study, we report that both Exosurf and Survanta suppress TNF mRNA and secretion (85 +/- 4% mean percent inhibition +/- SEM by Exosurf ; 71 +/- 6% by Survanta ) by endotoxin-stimulated THP-1 , a human monocytic cell line .
 endotoxin-stimulated THP-1, TNF mRNA, human monocytic cell line
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:
 endotoxin-stimulated THP-1, TNF mRNA, human monocytic cell line