UrotensinII (114-124), humanTFA, is an 11-amino acid residue peptide with a strong vasoconstrictor effect. This compound acts as an agonist for the orphan receptor GPR14.
[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.
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.
RFRP-1(human) TFA, an endogenous NPFF receptor agonist, exhibits potent activity with EC50 values of 0.0011 nM for NPFF2 and 29 nM for NPFF1. It significantly diminishes the contractile function of isolated rat and rabbit cardiac myocytes. Moreover, it decreases heart rate, stroke volume, ejection fraction, and cardiac output, while elevating plasma prolactin levels in rats.
Guanylin (human) TFA is a 15-amino acid peptide that serves as an endogenous activator of intestinal guanylate cyclase. This compound is primarily located in the gastrointestinal tract, where it regulates electrolyte and water transport in the intestinal and renal epithelia through a mechanism dependent on cyclic GMP. [1][2]