7527
Cytokines that bind to the common gamma chain of the IL-2 receptor promote the survival of T cell blasts , but also induce proliferation.
 Cytokines, IL-2, gamma chain, T cell blasts
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:
 Cytokines, IL-2, gamma chain, T cell blasts