[Sar1, Ile8]-Angiotensin II (TFA) is a peptide compound that exerts various effects on vascular smooth muscle. These effects include the contraction of normal arteries as well as the hypertrophy or hyperplasia of cultured cells or diseased vessels.
(Sar1,Gly8)-Angiotensin II 是选择性的 AT1 血管紧张素 II 受体 (AT1 angiotensin II receptor) 拮抗剂,在大鼠肾上腺中对 AT2 受体的Ki值为 52 nM。(Sar1,Gly8)-Angiotensin II 能有效对抗脑室内注射血管紧张素 II 所引起的口渴反应。