1941
In contrast , the extrajunctional ColQ mRNA levels in the regenerates of the soleus muscles , trans - innervated by the EDL nerve at the time of muscle injury , increased 4 - to 5 - fold after 8days of the same chronic low - frequency electrical stimulation in comparison to those in the stimulated EDL regenerates .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None