21611
It decreased TGC in the FbC , striatum , BFb , hippocampus , brain stem and cerebellum , and increased superoxide dismutase activity in the FbC , cerebellum and BFb .
 Chemical: superoxide
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: superoxide