7362
The activation of NF-kappaB correlated with the increased expression of B7.1 molecules .
 B7.1 molecules, 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:
 B7.1 molecules, NF-kappaB