4858
Recombinant human tumor necrosis factor ( TNF ) binding protein-1 ( r-h TBP-1 ) and recombinant human soluble dimeric TNF receptor ( rhu TNFR:Fc ) were used to determine the relative contributions of TNF to phorbol myristate acetate ( PMA ) and cytokine-induced human immunodeficiency virus type 1 ( HIV-1 ) replication in chronically infected cell lines.
 rhu TNFR:Fc, TNF, Recombinant human tumor necrosis factor ( TNF ) binding protein-1, r-h TBP-1, TNF, recombinant human soluble dimeric TNF receptor, TNF
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:
 rhu TNFR:Fc, TNF, Recombinant human tumor necrosis factor ( TNF ) binding protein-1, r-h TBP-1, TNF, recombinant human soluble dimeric TNF receptor, TNF