4952
Results of this study indicate that a sustained elevated [Ca2+]i is a significant factor in oxidant-induced NF-kappaB activation .
 NF-kappaB
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