11826
In Jurkat cells , a human T-cell lymphoma cell line , tumor necrosis factor-alpha ( TNF-alpha ) induces NF kappaB activation that is inhibited by PDTC .
 TNF-alpha, Jurkat cells, NF kappaB, tumor necrosis factor-alpha, T-cell lymphoma cell line
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:
 TNF-alpha, Jurkat cells, NF kappaB, tumor necrosis factor-alpha, T-cell lymphoma cell line