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There is growing evidence that mammalian AMP - activated protein kinase ( AMPK ) plays a role in protecting cells from stresses that cause ATP depletion by switching off ATP - consuming biosynthetic pathways .
 mammalian AMP - activated protein kinase, AMPK
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 mammalian AMP - activated protein kinase, AMPK