Endothelin-2 (49-69), human (Human endothelin-2) is a 21-amino acid vasoactive peptide that binds to G-protein-linked transmembrane receptors, ET-RA and ET-RB.

Neuromedin N acetate(92169-45-4 free base) is a neuropeptide derived from the same precursor polypeptide as neurotensin, and with similar but subtly distinct expression and effects.Neuromedin N is a potent modulator of dopamine D2 receptor agonist binding in rat neostriatal membranes.

GRP (14-27) (human, porcine, canine) functions as a ligand for bombesin receptors, with its specific binding being inhibited by GTP and GDP, while GMP does not affect it [1].

Secretin is an endocrine hormone that stimulates the secretion of bicarbonate-rich pancreatic fluids. Canine secretin can regulates gastric chief cell function and paracellular permeability in canine gastric monolayers by a Src kinase-dependent pathway.

Peptide YY (13-36) (canine, mouse, porcine, rat) is a Y 2 receptor subtype agonist [1] .

Motilin canine, a 22-amino acid peptide, functions as a robust gastrointestinal smooth muscle contraction agonist.

Neuromedin N is a neuropeptide derived from the same precursor polypeptide as neurotensin, and with similar but subtly distinct expression and effects.

Aviptadil (INN) is an analog of vasoactive intestinal polypeptide (VIP) for the treatment of erectile dysfunction.

Endothelin-2 (49-69), human (TFA) is a 21-amino acid vasoactive peptide that binds to ET-RA and ET-RB.

Thrombostatin cont-1, an analogue of the bradykinin metabolite thrombostatin, has been shown to reduce platelet activation in the canine carotid artery following balloon angioplasty (BA) injury [1].

Endogenous ligand for the canine KISS1 receptor (Kisspeptin receptor or GPR54). Stimulates section of luteinizing hormone, follicle stimulating hormone and estradiol in vivo.

Angiotensin 1-7 (Ang-(1-7)) acetate, an endogenous heptapeptide from the renin-angiotensin system (RAS), exhibits cardioprotective effects through its anti-inflammatory and anti-fibrotic activities in cardiac cells. It effectively inhibits purified canine ACE activity (IC 50 =0.65 μM) and serves as a local synergistic modulator of kinin-induced vasodilation by hindering ACE and facilitating nitric oxide release. Additionally, this compound prevents Ang II-induced proliferation and hypertrophy in smooth muscle cells, alongside demonstrating antiangiogenic and growth-inhibitory effects on the endothelium [1] [2] [3].

Angiotensin (1-7) (ASP-ARG-VAL-TYR-ILE-HIS-PRO) is a synthetic heptapeptide identical to endogenous angiotensin-(1-7) , inhibits purified canine ACE activity (IC50=0.65 μM) with vasodilator and antiproliferative activities.

PACAP (6-27) (human, ovine, rat) serves as an antagonist for the PACAP receptor, inhibiting the catecholamine response of the canine adrenal gland to vasoactive intestinal peptide (VIP). This compound holds promise for research into cardiovascular and neurological disorders [1].

Defensin HNP-3 is a peptide secreted by human polymorphonuclear leukocytes (PMNs) that has antimicrobial properties. It induces lysis of mammalian cells when used at a concentration of 25 μg/mL. It also inhibits growth of E. faecalis (ED50 = 100 nM) and clinical isolates of P. aeruginosa (MIC90 = 4 μM). HNP-3 binds to recombinant HIV-1 envelope glycoprotein (gp120) and human CD4 (Kds = 52.8 and 34.9 nM, respectively). It also binds to recombinant, immobilized human surfactant protein D (SP-D; Kd = 55.7 nM) and inhibits focus formation in Madin-Darby canine kidney (MDCK) cells infected with influenza A virus (IAV).

Aviptadil Acetate (Vasoactive Intestinal Peptide acetate salt) induces pulmonary vasodilation and inhibits the proliferation of vascular SMCs and platelet aggregation. Avitadil acetate can be used for research on pulmonary fibrosis, pulmonary hypertension (PAH), and respiratory failure caused by SARS-CoV-2.

DT-2 acetate, a selective cGMP-dependent protein kinase (PKG) inhibitor, is a mouse monoclonal antibody targeting canine thymocytes.DT-2 acetate inhibits PKG-catalyzed phosphorylation, reverses 8-Br-cGMP-induced expansion, and can be used to study immune disorders.