3004
CD40 , but not lipopolysaccharide and anti-IgM stimulation of primary B lymphocytes , leads to a persistent nuclear accumulation of RelB .
 anti-IgM, RelB, primary B lymphocytes, CD40
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:
 anti-IgM, RelB, primary B lymphocytes, CD40