11986
Interestingly, gene disruption of either IL-7 or the IL-7 receptor (IL-7R) alpha subunit in mice leads to immunological defects that are similar to human X-SCID .
 ( protein: IL-7 receptor (IL-7R) alpha subunit, None) , ( protein: IL-7, 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-7 receptor (IL-7R) alpha subunit, None) , ( protein: IL-7, None) 