1526
In contrast, SCL mRNA levels did not decrease significantly between day 7 and day 14 cells, suggesting that posttranscriptional mechanisms are largely responsible for the decrease in SCL protein observed.
 ( protein: SCL, None) , ( RNA: SCL mRNA, None) , ( protein: SCL, None) , ( protein: SCL protein, 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: SCL, None) , ( RNA: SCL mRNA, None) , ( protein: SCL, None) , ( protein: SCL protein, None) 