PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30942433-6 2019 Additionally, an increased expression level of CD147 suppressed the elevated production of reactive oxygen species and mitochondrial membrane potential levels induced by shikonin. Reactive Oxygen Species 91-114 basigin (Ok blood group) Homo sapiens 47-52