14253
Involvement of Alu sequences in the cell-specific regulation of transcription of the gamma chain of Fc and T cell receptors .
 ( protein: gamma chain, None) , ( protein: Fc, None) , ( protein: T cell receptors, None) , ( DNA: Alu sequences, 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: gamma chain, None) , ( protein: Fc, None) , ( protein: T cell receptors, None) , ( DNA: Alu sequences, None) 