4642
Inhibitory effect of E3330 , a novel quinone derivative able to suppress tumor necrosis factor-alpha generation , on activation of nuclear factor-kappa B .
 tumor necrosis factor-alpha, nuclear factor-kappa B
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:
 tumor necrosis factor-alpha, nuclear factor-kappa B