4262
These findings further support our previous observations on the distinct regulation of expression of the human HLA-DQ class II subset , which may be thus controlled at the posttranscriptional level by a CIITA -independent mechanism .
 ( protein: CIITA, None) , ( DNA: human HLA-DQ class II subset, 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: CIITA, None) , ( DNA: human HLA-DQ class II subset, None) 