9955
These results suggest that coordination of NF-kappaB and STAT6 may be required for induction of germline Cepsilon transcription by IL-4 , and that CD40 -mediated NF-kappaB activation may be important in regulating both enhancement of germline Cepsilon transcription and class switching to IgE .
 CD40, NF-kappaB, germline, NF-kappaB, IL-4, STAT6, IgE, germline
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:
 CD40, NF-kappaB, germline, NF-kappaB, IL-4, STAT6, IgE, germline