379
These results indicate that activation of mGlu5Rs promotes PKA / DARPP - 32 - dependent phosphorylation of downstream target proteins in striatopallidal MSNs and that this effect is exerted via potentiation of tonic A2AR transmission .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None