PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10027818-7 1999 Repetitive ischemia/reperfusion, which causes recurrent bursts of free radical generation, resulted in burst activation of HSF1, and this burst activation was significantly reduced with either allopurinol 1 mmol/L (an inhibitor of xanthine oxidase) or catalase 2x10(5) U/L (a scavenger of H2O2). Free Radicals 66-78 heat shock transcription factor 1 Rattus norvegicus 123-127