2099
We demonstrate that the staphylococcal superantigens toxic shock syndrome toxin-1 ( TSST-1 ) and staphylococcal enterotoxin A ( SEA ) activate HIV-1 -LTR -driven transcription of chloramphenicol acetyl transferase in the human monocytic cell line THP-1 .
 human monocytic cell line, HIV-1 -LTR, THP-1, staphylococcal superantigens, staphylococcal enterotoxin A, chloramphenicol acetyl transferase, toxic shock syndrome toxin-1, TSST-1, SEA
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:
 human monocytic cell line, HIV-1 -LTR, THP-1, staphylococcal superantigens, staphylococcal enterotoxin A, chloramphenicol acetyl transferase, toxic shock syndrome toxin-1, TSST-1, SEA