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Protein kinase C ( PKC ) inhibition reduced the potentiation by mGlu1 of GluK2 / GluK5 , and conversely , direct activation of PKC by phorbol 12 - myristate , 13 - acetate potentiated GluK2 / GluK5 .
 Chemical: phorbol 12 - myristate , 13 - acetate
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: phorbol 12 - myristate , 13 - acetate