PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12787830-13 2003 Our results suggest that inhibition of histamine catabolism using SKF 91488 (histamine N-methyl-transferase inhibitor) resulted in a reduction of histamine-mediated relaxation that was due to the activation of the clobenpropit-sensitive, histamine H(3)/H(4) receptor and the release of catecholamine. 1,2,3,4-tetrahydroisoquinoline-7-sulfonamide 66-69 histamine N-methyltransferase Rattus norvegicus 77-107