11638
Examination of CIITA mRNA in IK stably transfected clones revealed a marked reduction of CIITA mRNA transcription .
 ( RNA: CIITA mRNA, None) , ( RNA: CIITA mRNA, None) , ( protein: IK, None) , ( DNA: CIITA, None) , ( DNA: CIITA, 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: CIITA mRNA, None) , ( RNA: CIITA mRNA, None) , ( protein: IK, None) , ( DNA: CIITA, None) , ( DNA: CIITA, None) 