5845
Here we studied how decreased VGLUT1 levels in the brain stem affect glutamate regulation of 5 - HT function .
 Chemical: glutamate; 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: glutamate; Chemical: 5 - HT