PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21241278-5 2011 Siltuximab with melphalan enhanced activation of caspase-8, caspase-9, and the downstream effector caspase-3 compared with either of the single agents. Melphalan 16-25 caspase 9 Homo sapiens 60-69