1485
Differential regulation of proto-oncogenes c-jun and c-fos in T lymphocytes activated through CD28 .
 c-fos, CD28, T lymphocytes, proto-oncogenes, c-jun
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-fos, CD28, T lymphocytes, proto-oncogenes, c-jun