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Costimulation of human CD4+ T cells with LFA-3 and B7 induce distinct effects on AP-1 and NF-kappa B transcription factors .
 LFA-3, transcription factors, human CD4+ T cells, NF-kappa B, AP-1, B7
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:
 LFA-3, transcription factors, human CD4+ T cells, NF-kappa B, AP-1, B7