3190
Although JAK3 is required for proper lymphoid development , the precise roles of this kinase in IL-2 and IL-4 signaling in lymphocytes have not been defined.
 IL-2, JAK3, lymphocytes, IL-4
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:
 IL-2, JAK3, lymphocytes, IL-4