AngiotensinIIhuman (AngiotensinII) TFA 作为肾素/血管紧张素系统中关键的生物活性肽,扮演着血管收缩剂的角色并在调节人体血压中发挥中心作用。其主要通过与 G 蛋白偶联受体 (GPCRs)、血管紧张素 II 1型受体 (AT1R) 和血管紧张素 II 2型受体 (AT2R) 的相互作用来介导效应,包括刺激交感神经系统、增加醛固酮的生物合成和肾脏功能。此外,AngiotensinIIhumanTFA 促进血管平滑肌细胞的生长和 I 型及 III 型胶原在成纤维细胞中的合成,导致血管壁与心肌增厚及纤维化,并诱导细胞凋亡。还通过LOX-1依赖的氧化还原敏感路径诱导内皮细胞中的毛细血管形成。
[Sar1, Ile8]-AngiotensinII (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.
Glucagon-like peptide 1 (1-37), human (TFA), is a highly potent agonist of the GLP-1 receptor and is a pancreatic hormone synthesized through post-translational processing of proglucagon.