PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2663317-5 1989 With increasing nadolol doses, plasma norepinephrine concentration increased and isoproterenol sensitivity decreased in both young and elderly subjects, and creatinine clearance and plasma active renin levels were unchanged; plasma inactive renin levels increased in the young, and aldosterone concentration declined in the elderly with the lowest nadolol dose. Nadolol 16-23 renin Homo sapiens 241-246