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Immunofluorescence studies of human monocytes using polyclonal anti- TF antibody showed that N-acetyl-cysteine treatment prevented the characteristic plasmalemmal localization of TF antigen that occurs in response to LPS .
 anti- TF antibody, TF antigen, TF, TF, human monocytes
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:
 anti- TF antibody, TF antigen, TF, TF, human monocytes