5850
These mice showed decreased induced neuronal activity in 5 - HT cells bodies and in different forebrain areas , as well as decreased hippocampal cell proliferation and 5 - HT turnover .
 Chemical: 5 - HT; Chemical: 5 - HT
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: 5 - HT; Chemical: 5 - HT