4362
Electrophoretic mobility shift assay ( EMSA ) and supershift assay using an NF-kappa B binding sequence from the kappa light chain as a probe, revealed that both p65 ( RelA ) and c-Rel were present in CD40 -stimulated B cells .
 c-Rel, NF-kappa B, CD40, NF-kappa B binding sequence, RelA, CD40 -stimulated B cells, p65, kappa light chain
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:
 c-Rel, NF-kappa B, CD40, NF-kappa B binding sequence, RelA, CD40 -stimulated B cells, p65, kappa light chain