3005
In this study we analyzed the effect of CD40 stimulation on the activity and nuclear appearance of Rel/nuclear factor kappaB ( NF-kappaB ) factors in primary murine B lymphocytes .
 NF-kappaB, Rel/nuclear factor kappaB ( NF-kappaB ) factors, CD40, primary murine B lymphocytes, Rel/nuclear factor 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, Rel/nuclear factor kappaB ( NF-kappaB ) factors, CD40, primary murine B lymphocytes, Rel/nuclear factor kappaB