2385
In the cortices of the brains of rats with chronic fluorosis , the level of Mfn1 protein was clearly reduced , whereas the levels of Fis1 and Drp1 were elevated .
 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