orexin a (human, rat, mouse)

Orexin A human, rat, mouse, a 33 amino acid excitatory neuropeptide, orchestrates diverse central and peripheral processes. Orexin A human, rat, mouse has been used to study its effect on the functioning of porcine pancreatic islets. It has also been used as an orexin receptor 1 (OX1R) agonist to study the effect of orexin systems in the effect of etonogestrel on respiratory response to prolonged metabolic acidosis.

Orexin A (Hypocretin-1) (human, rat, mouse) acetate, a hypothalamic neuropeptide with analgesic abilities that penetrates the blood-brain barrier, acts as an OX1R agonist. It promotes the expression of BDNF and TH proteins within SH-SY5Y cells, exhibiting time- and dose-dependent responses. This compound is valuable for researching appetite control, neurodegenerative conditions, and the modulation of detrimental signaling [1] [2] [3].

Endogenous agonist at orexin receptors (Ki values are 20 and 38 nM for OX1 and OX2 receptors respectively). Stimulates feeding following central administration and may be involved in the control of sleep-wake cycle and other hypothalamic functions.

Myelin Oligodendrocyte Glycoprotein Peptide (35-55), mouse, rat (MOG (35-55)), is a truncated peptide derived from the human Myelin Oligodendrocyte Glycoprotein (MOG).

Adropin (34-76) (human, mouse, rat) is a peptide that mitigates liver fibrosis and insulin resistance, independent of obesity or food intake.

Orphan GPCR SP9155 agonist P550 (mouse, rat) acetate (Orphan GPCR SP9155 agonist P550 ) is a member of the RFamide peptide family with orexigenic effects.

PACAP-38 (31-38), human, mouse, rat acetate is an activator of PAC1 receptor. PACAP-38 (31-38), human, mouse, rat acetate demonstrates potent, efficacious, and sustained stimulatory effects on sympathetic neuronal NPY and catecholamine production and can

Neuropeptide SF(mouse,rat) acetate (Neuropeptide SF(mouse,rat) acetate (230960-31-3 free base)) is a potent neuropeptide FF receptor agonist, Ki for NPFF1 and NPFF2 are 48.4 nM and 12.1 nM, respectively. Neuropeptide SF(mouse,rat) acetate (Neuropeptide SF(mouse,rat) acetate (230960-31-3 free base)) increases the amplitude of the sustained current of heterologously expressed acid sensing ion channel 3 (ASIC3).

PACAP (6-38), human, ovine, rat acetate is a potent PACAP receptor antagonist with IC50s of 30, 600, and 40 nM for PACAP type I receptor, PACAP type II receptor VIP1, and PACAP type II receptor VIP2, respectively.

Orexin B, rat, mouse Acetate (Rat orexin B) is an endogenous agonist at Orexin receptor with Kis of 420 and 36 nM for OX1 and OX2, respectively.

Cortistatin 14, human, rat acetate is a neuropeptide having structural similarity to somatostatin-14 and shows anticonvulsive, neuroprotective effects and remarkable anti-inflammatory properties. Cortistatin 14, human, rat acetate binds and exerts its fun

Galanin (1-16), mouse, porcine, rat, is a hippocampal galanin receptor agonist (Kd = 3 nM) exhibiting high biological activity on locus coeruleus neurons.

VIP(6-28)(human, rat, porcine, bovine) acetate is an antagonist of the actions of exogenous vasoactive intestinal peptide (VIP) receptor on cAMP in the superior cervical ganglion (SCG).

PACAP (1-27), human, ovine, rat acetate (PACAP 1-27 acetate) is a novel neuropeptides originally isolated from bovine hypothalamus, also found in humans and rats.

Hemopressin (human, mouse) acetate is a nonapeptide derived from the α1-chain of hemoglobin, is originally isolated from rat brain homogenates. Hemopressin is orally active, selective and inverse agonist of CB1 cannabinoid receptors. Hemopressin exerts an

MCH(human, mouse, rat) is a potent endogenous agonist at melanin-concentration hormone (MCH) receptors (IC50 values are 0.3 and 1.5 nM and EC50 values are 3.9 and 0.1 nM at MCH1 and MCH2 receptors respectively). Increases food intake in vivo.

Enterostatin, human, mouse, rat acetate is a pentapeptide mainly formed in the intestine by the cleavage of secreted pancreatic procolipase.

Myelin Oligodendrocyte Glycoprotein (MOG) peptide (35-55) , mouse, rat acetate is a MOG peptide (35-55) derivative. MOG peptide (35-55) is a part of myelin oligodendrocyte glycoprotein (MOG) immunogenic peptide and can be used to study immune-related diseases.

Angiotensin I (human, mouse, rat) is the precursor to the vasoconstrictor peptide angiotensin II, cleaved by the angiotensin-converting enzyme (ACE). This peptide hormone causes vasoconstriction and increases blood pressure as part of the renin–angiotensin system, also stimulating aldosterone release from the adrenal cortex to promote sodium retention by the kidneys.

Interphotoreceptor retinoid-binding protein (1-20) (IRBP1-20), a dodecapeptide fragment of retinoid-binding protein 3, plays a crucial role in pigment regeneration by facilitating the transport of retinol and retinal between photoreceptor cells and the retinal pigment epithelium. It has been utilized to provoke autoimmune uveoretinitis in C57BL/6 mice, possessing the H-2b haplotype. Furthermore, IRBP1-20 at a concentration of 3 µM enhances the secretion of IL-4, IL-5, and IL-6 from primary mouse spleen lymphocytes. Immunization and subsequent rechallenge with IRBP1-20 lead to increased ear swelling, inflammation of ocular blood vessels, infiltration by immune cells, damage to the photoreceptor layer, and retinal detachment in IFN-γ-deficient mice.

PAR2 (1-6) 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 mouse and rat PAR2. It also corresponds to residues 39-44 and 37-42 of the mouse and rat full-length sequences, respectively. PAR2 (1-6) induces relaxation in precontracted rat arteries in a concentration-dependent manner, an effect that can be reduced by the nitric oxide synthase inhibitor L-NNA . It inhibits keratinocyte growth in the presence and absence of growth factors. PAR2 (1-6) inhibits LPS-induced pulmonary neutrophil influx and increases in matrix metalloproteinase-2 (MMP-2) activity in mice.

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.

Orphan GPCR SP9155 agonist P550 (mouse, rat) (26RFa (mouse, rat)) is an RFamide peptide family member with an orexigenic effect, acting as the cognate ligand for the mouse orphan receptor GPR103, also known as SP9155 or AQ27.

Acetyl-ACTH (4-24) (human, bovine, rat), a proopiomelanocortin (POMC) peptide fragment, functions as an agonist at the MC-1 receptor [1]. This compound encompasses a sequence present in adrenocorticotrophin (ACTH), the precursor for α-MSH, illustrating its significant role in the POMC peptide family.

Acetyl-ACTH (7-24) (human, bovine, rat) effectively inhibits corticosterone and aldosterone secretion triggered by ACTH stimulation [1].

(Des-Glu5)-ACTH (1-24) (human, bovine, rat) is an adrenocorticotropic hormone (ACTH) analogue synthesized by the anterior pituitary gland to regulate cortisol and androgen production. This polypeptide tropic hormone variant differs from ACTH by the absence of glutamic acid at the fifth position.

Non-selective galanin receptor agonist (Ki values are 0.98, 1.48 and 1.47 nM for GAL1, GAL2 and GAL3 respectively). Anticonvulsant; prevents the occurrence of full kindled seizures in rats.

MCH (human, mouse, rat) TFA is a potent peptide agonist for MCH receptors, exhibiting binding IC50 values of 0.3 nM for MCH1R and 1.5 nM for MCH2R. It is particularly effective against MCH-2R in a CHO cell line, with functional activation EC50 values of 3.9 nM for MCH-1R and 0.1 nM for MCH-2R, as evidenced by intracellular calcium mobilization measured with FLIPR [1].

CART(62-76)(human,rat) TFA, a neuropeptide encompassing residues 62-76 of the CART peptide, exhibits neurotransmitter-like properties and modulates the striatal noradrenergic system, as well as the corticostriatal and hypothalamic serotoninergic (5-HT) systems in the rat brain [1].

[Ala11,D-Leu15]-Orexin B(human) TFA is a potent, selective agonist for the orexin-2 receptor (OX2), demonstrating 400-fold higher selectivity for OX2 (EC50=0.13 nM) compared to the orexin-1 receptor (OX1) with an EC50 of 52 nM.

Orexin B, human (TFA) is an endogenous agonist at Orexin receptor with Kis of 420 and 36 nM for OX1 and OX2.

PACAP (6-38), human, ovine, rat, is a potent and selective antagonist of PACAP 38, outperforming PACAP (6-27) in inhibiting PACAP-27-stimulated pituitary adenylate cyclase.

PACAP (1-27) (the N-terminal fragment of PACAP-38) is a novel neuropeptides originally isolated from bovine hypothalamus, also found in humans and rats.

(Met(O)27)-Glucagon (1-29) (human, rat, porcine) is a modified glucagon exhibiting the same maximum glucose-synthesizing activity in rat hepatocytes as its native form, but with reduced potency, highlighting the importance of methionine in glucagon's attachment to hepatic receptors [1].

ACTH (3-24) (human, bovine, mouse, ovine, porcine, rabbit, rat), the fragment spanning amino acids 3-24 of adrenocorticotropic hormone (ACTH), serves as a research tool in studying illnesses such as cancer, immune diseases, and cardiovascular disease [1].

Angiotensin III, human, mouse (Angiotensin III, human, mouse(3TFA))(3TFA) is an endogenous angiotensin II receptor (AT2R) agonist(IC50s of 0.648 nM).

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].

Proadrenomedullin N-terminal 12 peptide (PAMP-12), an endogenous fragment originating from the adrenal medulla and spanning amino acids 9-20 of human PAMP-20, plays a role in causing hypotension. It functions as an agonist for the MAS-related G protein-coupled receptor family member X2 (MRGPRX2), inhibiting forskolin-stimulated cAMP accumulation in CHO cells expressing human MRGPRX2 (EC50 = 57.2 nM) and selectively prompting calcium mobilization in these cells (EC50 = 41 nM), but not in cells expressing MRGPRX1, MRGPRX3, or MRGPRX4 at 1 µM. As an antagonist of nicotinic acetylcholine receptors (nAChRs), PAMP-12 obstructs carbachol-triggered catecholamine release and the influx of calcium and sodium (IC50s = 1.3, 0.39, and 0.87 µM, respectively) in primary bovine adrenal chromaffin cells, with no effect on histamine-induced responses (IC50s = >1 µM for all). Additionally, it decreases mean arterial blood pressure in normotensive rats at doses ranging from 10 to 50 nmol/kg.

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

Beta-Amyloid(1-14),mouse,rat is a 1 to 14 fragment of Amyloid-β peptide. This peptide is amino acids 1 to 14 fragment of Beta-Amyloid peptide.

(Des-His^6)-ACTH (1-24) (human, bovine, rat) is an adrenocorticotropic hormone (ACTH) analog. Produced by the anterior pituitary gland, ACTH is a polypeptide tropic hormone that regulates the production of cortisol and androgens [1].

Acetyl-ACTH (3-24) (human, bovine, rat), a segment derived from the proopiomelanocortin (POMC) peptide, functions as an agonist at the MC-1 receptor [1]. Encompassing adrenocorticotrophin (ACTH), a precursor to α-MSH, it illustrates its role within the spectrum of POMC peptides.

VIP(6-28)(human, rat, porcine, bovine) is a potent antagonist that counteracts the effects of exogenous vasoactive intestinal peptide (VIP) on cyclic adenosine monophosphate (cAMP) signaling.

Apelin-36(rat, mouse) TFA, an endogenous agonist for the orphan G protein-coupled receptor APJ, exhibits a strong affinity for APJ receptors with an IC 50 of 5.4 nM and effectively inhibits cAMP production with an EC 50 of 0.52 nM. Moreover, it obstructs the invasion of certain HIV-1 and HIV-2 strains into NP-2/CD4 cells that express the APJ receptor [1] [2].

Galanin (1-29)(rat, mouse) TFA acts as a non-selective agonist for galanin receptors, exhibiting affinities (Kis) of 0.98 nM for GAL1, 1.48 nM for GAL2, and 1.47 nM for GAL3, respectively, and possesses an anticonvulsant effect [1] [2].

Hemopressin(human, mouse) is a bioactive endogenous peptide substrate for endopeptidase, neurolysin and ACE. Ki values are 27.76, 3.43 and 1.87 μM respectively.

[Leu31,Pro34]-Neuropeptide Y(human,rat) TFA acts as a specific agonist for the neuropeptide Y Y1 receptor and also activates Y4 and Y5 receptors, elevating blood pressure in anesthetized rats and enhancing food intake [1] [2].

PACAP-38 (31-38), human, mouse, rat (TFA), exhibits potent, efficacious, and sustained stimulatory effects on sympathetic neurons.

PTH-Related Protein (1-37) (human, mouse, rat) is a peptide analog of parathyroid-hormone-related protein (pTHrP), which plays a role in the physiological regulation of bone formation [1].

Tyrosinase (192-200), a human mouse nonapeptide, is recognizable by cytolytic T cells (CTL) on the HLA-B44 molecule and is utilized in the research of melanoma-associated cancers [1].