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BLPs were found to induce apoptosis in THP-1 monocytic cells through human Toll-like receptor-2 ( hTLR2 ) .
 BLPs, hTLR2, human Toll-like receptor-2 ( hTLR2 ), THP-1 monocytic cells
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:
 BLPs, hTLR2, human Toll-like receptor-2 ( hTLR2 ), THP-1 monocytic cells