PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20335389-7 2010 In addition, treatment of HepG2 cells with sulprostone, an EP1-selective agonist, up-regulated the mRNA expression of vascular endothelial growth factor-C, a HIF-regulated gene. sulprostone 43-54 vascular endothelial growth factor C Homo sapiens 118-154