PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20159031-3 2010 Elevated levels of COX-2 and concomitant overproduction of PGE(2) are often found in human cancers. Prostaglandins E 59-62 mitochondrially encoded cytochrome c oxidase II Homo sapiens 19-24