15461
The derepression of neuronal genes was associated with a loss in binding of the neuronal transcriptional repressor RE - 1 - silencing transcription factor to its targets in Dicer1 - deficient beta - cells .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None