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Group III metabotropic glutamate ( mGlu ) receptors are localized in presynaptic terminals within basal ganglia ( BG ) circuitry that become hyperactive due to dopamine depletion in Parkinson ' s disease ( PD ) .
 Chemical: glutamate; Chemical: dopamine
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: dopamine