PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25434584-10 2015 Icaritin also activated the Fas-mediated apoptosis pathway, as was evident by the increased expression levels of Fas and activation of caspase-8. ammonium ferrous sulfate 28-31 caspase 8 Homo sapiens 135-144