PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2731227-2 1989 When stimulated with the agonists, angiotensin II and arginine vasopressin, cells incubated with low concentrations of fura-2 or indo-1 (less than 1 microM) produced Ca2+ transients characterized by a small increase followed by a dramatic decrease in fluorescence below the original baseline. Fura-2 119-125 angiotensinogen Rattus norvegicus 35-49