4084
The primary RNA transcript of the gene is subject to alternative splicing to yield different variants which can either activate or repress gene expression .
 ( RNA: primary RNA transcript, 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:
 ( RNA: primary RNA transcript, None) 