4944
These studies identify EGR1 as an intermediary linking BCR -derived signals to the induction of CD44 .
 CD44, BCR, EGR1
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:
 CD44, BCR, EGR1