par2 (16) amide (human) (trifluoroacetate salt)

[Leu15]-Gastrin I human acetate(39024-57-2 Free base) is a useful organic compound for research related to life sciences and the catalog number is T8761L.

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.

Pep 2-8 ammonium salt is Proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitor. Potent inhibitor of PCSK9 binding to LDL receptor (IC50 = 0.8 μM). Restores LDL uptake in HepG2 cells treated with PCSK9.

Ac-Endothelin-1 (16-21), human acetate, the principal peptide of the endothelin family, has been shown to have a variety of biological activities in both vascular and nonvascular tissues. The C-terminal fragment, which is a highly conserved sequence in th

2-Furoyl-LIGRLO-amide TFA(729589-58-6 free base) is a potent and selective protease-activated receptor 2 (PAR2) agonist.

Nonapeptide-1 acetate salt (158563-45-2 free base) (Melanostatine-5 acetate salt) , a peptide hormone, is a potent α-Melanocyte-stimulating hormone (α-MSH) antagonist, with an IC50 of 11 nM. Nonapeptide-1 acetate salt (158563-45-2 free base) , a peptide hormone, is a potent α-Melanocyte-stimulating hormone (α-MSH) antagonist, with an IC50 of 11 nM.

PAR-2 Activating Peptide acetate (SLIGRL-NH2 acetate) is an agonist of Protease-Activated Receptor-2 (PAR-2).

Neuropeptide Y (29-64), amide, human acetate is involved in Alzheimer's disease (AD) and protects rat cortical neurons against β-Amyloid toxicity.

PAR2 (1-6) amide is a synthetic peptide agonist of proteinase-activated receptor 2 (PAR2) that corresponds to residues 1-6 of the amino terminal tethered ligand sequence of human PAR2 and residues 37-42 of the full-length sequence.1It binds to NCTC 2544 cells expressing human PAR2 (Ki= 9.64 μM in a radioligand binding assay) and induces calcium mobilization in the same cells (EC50= 0.075 μM).2PAR2 (1-6) amide (100 μM) reduces colony formation of A549 lung cancer cells.1It induces superoxide production and degranulation in isolated human eosinophils when used at a concentration of 500 μM.3PAR2 (1-6) amide (5 μmol/kg) induces tear secretion in rats when used in combination with amastatin .4 1.Bohm, S.K., Kong, W., Bromme, D., et al.Molecular cloning, expression and potential functions of the human proteinase-activated receptor-2Biochem. J.314(Pt 3)1009-1016(1996) 2.Kanke, T., Ishiwata, H., Kabeya, M., et al.Binding of a highly potent protease-activated receptor-2 (PAR2) activating peptide, [3H]2-furoyl-LIGRL-NH2, to human PAR2Br. J. Pharmacol.145(2)255-263(2005) 3.Miike, S., McWilliam, A.S., and Kita, H.Trypsin induces activation and inflammatory mediator release from human eosinophils through protease-activated receptor-2J. Immunol.167(11)6615-6622(2001) 4.Nishikawa, H., Kawai, K., Tanaka, M., et al.Protease-activated receptor-2 (PAR-2)-related peptides induce tear secretion in rats: Involvement of PAR-2 and non-PAR-2 mechanismsJ. Pharmacol. Exp. Ther.312(2)324-331(2005)

Gastric Inhibitory Polypeptide (6-30) amide (human) is an incretin hormone utilized in the research of diabetes [1].

β-Defensin-4 is a peptide with antimicrobial properties that protects the skin and mucosal membranes of the respiratory, genitourinary, and gastrointestinal tracts. It induces migration of monocytes in vitro when used at a concentration of 10 nM but does not affect migration of neutrophils and eosinophils. β-Defensin-4 (30 μg/ml) stimulates gene expression and production of IL-6, IL-10, CXCL10, CCL2, MIP-3α, and RANTES by keratinocytes. It also stimulates calcium mobilization, migration, and proliferation of keratinocytes when used at concentrations of 30, 10, and 40 μg/ml, respectively. β-Defensin-4 induces IL-31 production by human peripheral blood-derived mast cells in vitro when used at a concentration of 10 μg/ml and by rat mast cells in vivo following a 500 ng intradermal dose. It also inhibits growth of E. coli, P. aeruginosa, and S. aureus with lethal concentration (LC) values of 5, 12, and 15 μM, respectively, of S. carnosus (MIC = 4.5 μg/ml), and of C. albicans with a minimum fungicidal concentration (MFC) value of 7.5 μM.

GLP-2(1-33) (human) is an enteroendocrine hormone which stimulates the growth of the intestinal epithelium.

PTH (2-38) (human) plays a role in bone anabolism and can elevate serum levels of INS-PTH (complete N-terminal specific PTH) [1].

GLP-2 (1-34) (human), a polypeptide secreted from the intestine shortly after eating, is utilized in research related to bone remodeling processes [1].

Agouti-related Protein (AGRP) (83-132) Amide (human) is a segment derived from the agouti-related protein (AGRP), abundantly present in the hypothalamus' arcuate nucleus. It predominantly functions as an inverse agonist for the melanocortin-4 receptor (MC4R), thereby promoting food intake [1] [2].

(Asn10,Leu11,D-Trp12)-pTH-Related Protein (7-34) amide (human, mouse, rat) is a potent antagonist of the PTH-1R [1] [2].

Phe-met-arg-phe amide trifluoroacetate is an activator of K+ current with an ED50 of 23nm on the fundus nerve.

Kisspeptin-54 is a peptide ligand of the orphan G protein-coupled receptor GPR54 (Kis = 1.81 and 1.45 nM for rat and human receptors, respectively).1 It is a 54 amino acid peptide encoded by the metastasis suppressor gene KISS-1. Kisspeptin-54 induces calcium mobilization in CHO-K1 cells expressing rat and human receptors (EC50s = 1.39 and 5.47 nM, respectively). It also induces arachidonic acid release in CHO cells expressing rat and human GPR54 in a concentration-dependent manner. Kisspeptin-54 (10-1,000 nM) inhibits insulin secretion from isolated mouse pancreatic β-cells in the presence of 2.8 mM, but not 11.1 mM, glucose.2 Kisspeptin-54 (1-5 nmol, i.c.v.) increases serum levels of luteinizing hormone (LH) and follicular stimulating hormone (FSH) in mice, an effect which is reversed by the gonadotropin releasing hormone (GNRH) antagonist acycline.3References1. Kotani, M., Detheux, M., Vandenbogaerde, A.L., et al. The metastasis suppressor gene KiSS-1 encodes kisspeptins, the natural ligands of the orphan G protein-coupled receptor GPR54. J. Biol. Chem. 276(37), 34631-34636 (2001).2. Vikman, J., and Ahrén, B. Inhibitory effect of kisspeptins on insulin secretion from isolated mouse islets. Diabetes Obes. Metab. 11(Suppl 4), 197-201 (2009).3. Gottsch, M.L., Cunningham, M.J., Smith, J.T., et al. A role for kisspeptins in the regulation of gonadotropin secretion in the mouse. Endocrinology 145(9), 4073-4077 (2004). Kisspeptin-54 is a peptide ligand of the orphan G protein-coupled receptor GPR54 (Kis = 1.81 and 1.45 nM for rat and human receptors, respectively).1 It is a 54 amino acid peptide encoded by the metastasis suppressor gene KISS-1. Kisspeptin-54 induces calcium mobilization in CHO-K1 cells expressing rat and human receptors (EC50s = 1.39 and 5.47 nM, respectively). It also induces arachidonic acid release in CHO cells expressing rat and human GPR54 in a concentration-dependent manner. Kisspeptin-54 (10-1,000 nM) inhibits insulin secretion from isolated mouse pancreatic β-cells in the presence of 2.8 mM, but not 11.1 mM, glucose.2 Kisspeptin-54 (1-5 nmol, i.c.v.) increases serum levels of luteinizing hormone (LH) and follicular stimulating hormone (FSH) in mice, an effect which is reversed by the gonadotropin releasing hormone (GNRH) antagonist acycline.3 References1. Kotani, M., Detheux, M., Vandenbogaerde, A.L., et al. The metastasis suppressor gene KiSS-1 encodes kisspeptins, the natural ligands of the orphan G protein-coupled receptor GPR54. J. Biol. Chem. 276(37), 34631-34636 (2001).2. Vikman, J., and Ahrén, B. Inhibitory effect of kisspeptins on insulin secretion from isolated mouse islets. Diabetes Obes. Metab. 11(Suppl 4), 197-201 (2009).3. Gottsch, M.L., Cunningham, M.J., Smith, J.T., et al. A role for kisspeptins in the regulation of gonadotropin secretion in the mouse. Endocrinology 145(9), 4073-4077 (2004).

Autocamtide 2, amide is a substrate (100 μM final concentration) for CaMK family assays.Autocamtide-2 Peptide is a highly selective peptide substrate for calcium/calmodulin-dependent protein kinase II (CaMKII), a member of the CAMK Ser/Thr protein kinase

Human PTHrP-(1-34)NH2, also known as PTH-Related Protein (1-34) amide for human, mouse, and rat, is the N-terminal fragment of PTHrP. This peptide induces hypercalcemia and is utilized in the study of humoral hypercalcemia of malignancy [1].

PTH-Related Protein (7-34) amide (human, mouse, rat) serves as a potent antagonist of parathyroid hormone (PTH) [1].

Osteostatin (1-5) amide (human, bovine, dog, horse, mouse, rabbit, rat), also known as Human PTHrP (107-111) amide, is a C-terminal fragment of parathyroid hormone-related protein that inhibits bone resorption [1] [2].

Mca-(endo-1a-Dap(Dnp))-TNF-Alpha (-5 to +6) amide (human) is a peptide utilized as a fluorescence resonance energy transfer (FRET) based substrate for proteolytic activity assays, wherein the cleavage-induced change in fluorescence intensity serves as the measure of enzymatic activity [1].

GLP-1 (1-36) amide (human, rat) TFA, a molecular variant of GLP-1 (7-36) amide, can induce [14C]aminopyrine accumulation in enzymatically dispersed enriched rat parietal cells [1].

(D-Ala2)-GRF (1-29) amide (human) is a potent superagonist of Growth Hormone-Releasing Factor (GRF), demonstrating an exceptionally high Growth Hormone (GH)-releasing activity, approximately 50-fold greater than that of GRF (1-29) in both pigs and rats [1].

Human β-defensin-2 (HβD-2) is a cationic skin-antimicrobial peptide (SAP) characterized by its small size and rich cysteine content. It is produced by various epithelial cells and exhibits potent antimicrobial properties against gram-negative bacteria and Candida. However, it does not effectively target gram-positive Staphylococcus aureus. Given these characteristics, Human β-defensin-2 serves as a valuable tool in colitis research.

2-Furoyl-LIGRLO-amide TFA is a peptide that acts as a proteinase-activated receptor-2 (PAR2) agonist, and contains a furoyl group addition at its N-terminal.

SALMFamide 2, a neuropeptide S2 derived from the starfish Asterias rubens, plays a regulatory role in the eversion of the cardiac stomach in starfish [1].

Amylin, amide, human TFA, a 37-amino acid polypeptide, functions as a pancreatic hormone that is cosecreted with insulin, playing distinct roles in metabolism and glucose homeostasis. It regulates blood sugar by inhibiting glucagon secretion, delaying gastric emptying, and promoting satiety [1].

GIP (1-30) amide (Human) TFA is a glucose-dependent insulinotropic polypeptide fragment. Glucose-dependent insulinotropic polypeptide (GIP) is an incretin hormone that stimulates insulin secretion and reduces postprandial glycaemic excursions.

Amylin, a 37-amino acid polypeptide that is structurally related to calcitonin, is secreted from the B cells of the pancreas. Amylin has anoretic effects in rats. Amylin may be responsible for the etiology of insulin resistance of type II diabetes mellitu

Endothelin-1 is one of the there isoforms of endothelin (identified as ET-1, -2, -3) with varying regions of expression and binding to at least four known endothelin receptors, ETA, ETB1, ETB2 and ETC.

β-Defensin-1 is a peptide with antimicrobial properties that protects the skin and mucosal membranes of the respiratory, genitourinary, and gastrointestinal tracts.1It inhibits the growth ofB. adolescentis,L. acidophilus,B. breve,B. vulgatus,L. fermentum,B. longum, andS. thermophilusin an antimicrobial radial diffusion assay.2β-Defensin-1 also inhibits the growth of periodontopathogenic and cariogenic bacteria, includingP. gingivalisandS. salivarius, and of susceptibleM. tuberculosisH37Rv but not of resistantM. tuberculosisRM22 when used at a concentration of 128 μg/ml.3,4It blocks human and mouse Kv1.3 voltage-gated potassium channels (IC50s = 11.8 and 13.2 μM, respectively).5Overexpression of β-defensin-1 in the human oral squamous cell carcinoma (OSCC) cell lines HSC-3, UM-1, and SCC-9 increases migration and invasion but not proliferation.6 1.Lehrer, R.I.Primate defensinsNat. Rev. Microbiol.2(9)727-738(2004) 2.Schroeder, B.O., Ehmann, D., Precht, J.C., et al.Paneth cell α-defensin 6 (HD-6) is an antimicrobial peptideMucosal Immunol.8(3)661-671(2015) 3.Ouhara, K., Komatsuzawa, H., Yamada, S., et al.Susceptibilities of periodontopathogenic and cariogenic bacteria to antibacterial peptides, β-defensins and LL37, produced by human epithelial cellsJ. Antimicrob. Chemother.55(6)888-896(2005) 4.Fattorini, L., Gennaro, R., Zanetti, M., et al.In vitro activity of protegrin-1 and beta-defensin-1, alone and in combination with isoniazid, against Mycobacterium tuberculosisPeptides25(7)1075-1077(2004) 5.Feng, J., Xie, Z., Yang, W., et al.Human beta-defensin 1, a new animal toxin-like blocker of potassium channelToxicon113(2016) 6.Han, Q., Wang, R., Sun, C., et al.Human beta-defensin-1 suppresses tumor migration and invasion and is an independent predictor for survival of oral squamous cell carcinoma patientsPLoS One9(3)e91867(2014)

Gastrin-releasing peptide (GRP) is a neuropeptide that stimulates gastrin release. It binds to (Ki = 300 nM) and stimulates amylase secretion in rat pancreatic AR42J cells (EC50 = 0.3 nM). GRP increases proliferation of human liver carcinoma HepG2 and MHCC97H cells but does not affect the proliferation of normal HL-7702 liver cells at a concentration of 1 nM. In vivo, GRP (0.35 nmol/kg/h) increases both pancreatic exocrine secretion and pancreatic polypeptide (PP) release in rats. It dose-dependently stimulates gastrin, pancreatic amylase, lipase, bilirubin, and acid output and induces gallbladder contraction in humans when administered at doses ranging from 1 to 27 pmol/kg per hour.

Dynorphin (2-17), amide (porcine) is a dynorphin derivative exhibiting analgesic properties. Belonging to the class of opioid peptides synthesized from the precursor protein dynorphinogen, dynorphin plays a pivotal role in regulating pain, addiction, and mood [1].

Neuropeptide Y (13-36), amide, human is a neuropeptide Y receptor agonist.

Acetyl β-endorphin (1-26) is a neuropeptide found in rat hippocampus, brain stem, and pituitary. It is also present in the human hypothalamus, where it comprises approximately 4.9% of total β-endorphin peptides. Acetyl β-endorphin (1-26) is produced through posttranslational processing of β-endorphin and is processed similarly in rat and human hypothalamus. Levels of acetyl β-endorphin (1-26) increase in the rat pars intermedia and brain stem following chronic administration of haloperidol .

Neuropeptide Y (NPY) (3-36) is a C-terminal fragment of NPY, a neuropeptide involved in controlling appetite, blood pressure, cardiac contractility, and intestinal secretion. NPY (3-36) is an endogenous peptide produced by cleavage of NPY by dipeptidyl peptidase 4 (DPP-4). It binds selectively to the NPY receptor Y2 (Ki = 0.41 nM in CHP 234 cells) over the Y1 receptor, where it does not bind at concentrations up to 1 μM. NPY (3-36) (0.1 nM) increases migration of human umbilical vein endothelial cells (HUVECs) by 80% after 12 hours in an in vitro wound closure assay. NPY (3-36) corresponds to residues 3-36 of the human and rat protein sequence.

Brain-derived basic fibroblast growth factor (1-24) (brain-derived bFGF) is a peptide fragment of brain-derived bFGF. bFGF is a peptide produced in bovine brain that is protective in a rat model of pressure-induced retinal ischemia. bFGF (1-24) corresponds to amino acid residues 1-24 of the full length peptide.

Adrenomedullin (16-31), human is amino acid residues 16-31 fragment of human adrenomedullin (hADM).

Osteocalcin (1-49) is a non-collagenous peptide that is secreted by osteoblasts and odontoblasts and comprises 1-2% of the total protein in bone. Secretion of osteocalcin (1-49) is stimulated by 1,25-dihydroxy vitamin D and plasma levels increase in diseases that induce dysregulated bone turnover such as osteoporosis, Paget's disease, and primary hyperparathyroidism. Osteocalcin (1-49) is positively correlated with insulin sensitivity and negatively correlated with high blood glucose levels in women. In vitro, osteocalcin induces chemotaxis of MDA-MB-231 breast cancer cells, human peripheral blood monocytes, and rat osteosarcoma cells with osteoblast-like characteristics. It is also expressed by vascular smooth muscle cells (VSMCs) displaying an osteoblast-like phenotype and has been positively associated with calcification of aortic tissue and heart valves in humans.

Protease-Activated Receptor-2, amide (SLIGKV-NH2) is an agonist of PAR2 (IC50 : 10.4 M)

Amyloid-β (25-35) (Aβ (25-35)) is an 11-residue fragment of the Aβ protein that retains the physical and biological characteristics of the full length peptide. It forms fibrils that react to thioflavin T and Congo red and are organized in a cross-β arrangement of β-strands similar to Aβ (1-40) and Aβ (1-42) fibrils. Aggregated Aβ (25-35) decreases the viability of rat adrenal PC12 cells. It also decreases the viability of primary rat cortical neurons at concentrations ranging from 1 nM to 30 μM. In vivo, intracerebral injection of Aβ (25-35) (20 nmol) in rats induces lesions of neuronal and tissue loss. Aggregated Aβ (25-35) administered intracerebroventricularly to rats induces learning and memory impairments in the Y-maze, novel object recognition, and contextual fear conditioning tests.

Apamin TFA (Apamine TFA) is a toxin found in bee venom. It is a potent blocker of small conductance Ca2+-activated K+ (SK, KCa2) channels that is more effective at SK2 than SK1 and SK3.

GLP-1 (1-36) amide (human, rat) is a molecular variant of the GLP-1 (7-36) amide and has the capacity to stimulate [14C]aminopyrine accumulation in enzymatically dispersed, enriched rat parietal cells [1].

Peptide YY (PYY) (3-36), human trifluoroacetate is a useful organic compound for research related to life sciences and the catalog number is T64716.

TFRGAP-amide, human PAR-3-derived tethered ligand sequence which does not activate PAR-3 but rather activates PAR-1 and PAR-2, either in Jurkat or in other PAR-expressing cells.

β-Endorphin (1-27) is an endogenous peptide that binds to μ-, δ-, and κ-opioid receptors (Kis = 5.31, 6.17, and 39.82 nM, respectively, in COS-1 cells expressing rat receptors). It binds to rat and mouse brain membrane preparations (IC50s = 1.1 and 5.7 nM, respectively) and induces chemotaxis of human monocytes in vitro when used at a concentration of 1 nM. Intracerebroventricular administration of β-endorphin (1-27) increases the latency to tail withdrawal in response to thermal stimulation in mice with a median antinociceptive dose (AD50) of 1,500 pmol per animal. It inhibits antinociception induced by β-endorphin in mice in response to thermal stimuli when administered at a dose of 65 pmol per animal. In rats, β-endorphin (1-27) does not affect drug-associated place preference when administered at doses up to 20 μg, i.c.v., but inhibits β-endorphin-induced place preference when administered at a dose of 10 μg per animal.

Galanin (2-11) amide is a synthetic peptide fragment of the neuropeptide galanin and an agonist of the galanin-2 (GAL2) receptor (EC50= 9.32 nM in a fluorescence imaging plate reader assay).1It selectively binds to the GAL2receptor (IC50= 1.76 nM for the rat receptor) over the GAL1receptor (IC50= 879 nM for the human receptor) but does also bind to the GAL3receptor (Ki= 271 nM for the rat receptor).1,2Intracerebroventricular administration of galanin (2-11) amide (1 nmol/animal) decreases immobility in the forced swim test in rats.3It also reduces the hind paw mechanical pain threshold and increases the hind paw cold sensitivity threshold in rats.1

Angiotensin 1/2 (1-8) amide (H2N-Asp-Arg-Val-Tyr-Ile-His-Pro-Phe-amide) is a peptide analog to angiotensin II that is used as a vasopressor agent in the treatment of certain types of shock and circulatory collapse. It is a potent vasoconstrictor and is us