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Here we demonstrate that nuclear factor kappaB ( NF-kappaB ), which is involved in the transcriptional regulation of many cytokine genes expressed in activated lymphocytes , also plays a role in T cell activation-induced FasL expression .
 NF-kappaB, cytokine genes, FasL, nuclear factor kappaB, activated lymphocytes
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:
 NF-kappaB, cytokine genes, FasL, nuclear factor kappaB, activated lymphocytes