PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8035878-6 1994 This effect of endothelin-1 should help protect the ventricle against potentially arrhythmogenic shortening of the action potential during ischaemia when the circulating levels of catecholamines are increased. Catecholamines 180-194 endothelin-1 Cavia porcellus 15-27