PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29276208-3 2018 BOECs were cultured in vitro, and their expression of receptors of PGE2 (PTGER1, PTGER2, PTGER3, and PTGER4) and PGF2alpha (PTGFR) was measured using RT-qPCR. Dinoprostone 67-71 prostaglandin E receptor 1 Bos taurus 73-79