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In vivo animal studies confirmed that knocking out the Kir6 . 2 subunit of the K ( ATP ) channels increases ischemic infarction , and overexpression of the Kir6 . 2 subunit reduces neuronal injury from ischemic insults .
 Chemical: K; Chemical: ATP
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: K; Chemical: ATP