PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33508282-9 2021 However, a prolonged exposure with each of the antihistamines impaires the increase in COX-2 and IL-8 mRNA levels induced by histamine, even after ligand removal. Histamine 51-60 prostaglandin-endoperoxide synthase 2 Homo sapiens 87-92