PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21964537-2 2012 Exercise, AICAR, and metformin, all known activators of AMPK, induce delayed cardioprotection which protects the heart against ischemia-reperfusion injury. Metformin 21-30 protein kinase AMP-activated catalytic subunit alpha 2 Rattus norvegicus 56-60