3571
Finally , 2 months of therapy with the antidiabetic drug metformin significantly inhibited the maturation of IL - 1 beta in MDMs from patients with type 2 diabetes through AMP - activated protein kinase ( AMPK ) activation .
 Chemical: metformin; Chemical: AMP
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: metformin; Chemical: AMP