14335
Long-lasting IL-2 receptivity is associated with high-level expression of the inducible IL-2 receptor alpha chain ( IL-2R alpha ) gene that is regulated at both transcriptional and posttranscriptional levels.
 ( protein: IL-2, None) , ( protein: IL-2R alpha, None) , ( protein: IL-2, None) , ( protein: IL-2 receptor alpha chain, None) , ( DNA: IL-2 receptor alpha chain ( IL-2R alpha ) gene, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: IL-2, None) , ( protein: IL-2R alpha, None) , ( protein: IL-2, None) , ( protein: IL-2 receptor alpha chain, None) , ( DNA: IL-2 receptor alpha chain ( IL-2R alpha ) gene, None) 