PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29582191-6 2018 Importantly, Protein phosphatase 2 A (PP2A) activity decreased, guaranteeing the significant up-phosphorylation of MAPK -p38 in response to ZrO2 enriched medium. zirconium oxide 140-144 mitogen-activated protein kinase 14 Homo sapiens 121-124