Apelin-17(human, bovine) TFA

Apelin-17(human, bovine) TFA is an endogenous agonist of the orphan G protein-coupled receptor APJ. This compound demonstrates affinity for human APJ receptors on HEK 293 cells, evidenced by a pIC50 value of 9.02. Additionally, Apelin-17(human, bovine) TFA has been shown to block the entry of certain HIV-1 and HIV-2 strains into NP2/CD4 cells that express the APJ receptor [1] [2] [3].

Kisspeptin-10, human TFA is a potent vasoconstrictor and angiogenesis inhibitor. Kisspeptin-10, human TFA acts as a tumor metastasis suppressor via its receptor GPR54. Kisspeptin-10-GPR54 system plays an important role in embryonic kidney development. Kisspeptin-10/GPR54 signaling induces osteoblast differentiation via NFATc4-mediated BMP2 expression

Apelin-17 (human, bovine) acetate is an endogenous apelin receptor agonist. Potently inhibits forskolin-stimulated cAMP accumulation (pIC50 = 9.94).

Gastrin-Releasing Peptide, human(TFA) is a regulatory human peptide that elicits gastrin release and regulates gastric acid secretion and enteric motor function. The post-ganglionic fibers of the vagus nerve that innervate the G cells of the stomach release GRP, which stimulates the G cells to release gastrin.

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).

MCH (human, mouse, rat) TFA is a potent peptide agonist for MCH receptors, demonstrating strong affinity with binding IC 50 values of 0.3 nM for MCH1R and 1.5 nM for MCH2R. It is notably effective against MCH-2R in a CHO cell line, as evidenced by the mobilization of intracellular calcium measured with FLIPR, revealing functional activation EC 50 values of 3.9 nM for MCH-1R and 0.1 nM for MCH-2R [1].

TIP39, a neuropeptide and an agonist for the parathyroid hormone receptor type 2 (PTH2R), effectively increases cAMP levels in COS-7 cells featuring recombinant PTH2R from humans or rats (EC50s = 0.5 and 0.8 nM, respectively), as well as in F-11 cells that naturally express PTH2R (EC50 = 1.15 nM). Furthermore, TIP39 at 1 nM halts the cell cycle at the G0/G1 phase and reduces Sox9 expression, a crucial regulator of cartilage differentiation, in CFK2 rat chondrocytes. Additionally, administering 100 pmol/animal of TIP39 reduces the immobility period in the forced swim test in mice, indicating a potential antidepressant effect.

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

PAMP-12(human, porcine) TFA, a significant constituent of immunoreactive (ir)-PAMP, derives from the adrenomedullin precursor and functions as a potent hypotensive peptide involved in cardiovascular regulation [1].

Obestatin(human) TFA, an endogenous peptide originating from the same prepropeptide as ghrelin, is known to suppress food intake and reduce weight gain in rats.

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 a range of illnesses, such as cancer, immune diseases, and cardiovascular disease [1].

TNF-α (31-45), human (TFA) is a peptide of tumor necrosis factor-α.

Parathyroid Hormone (1-34), bovine TFA, a potent agonist of the parathyroid hormone (PTH) receptor, elevates calcium and inorganic phosphate levels in vivo. This compound is employed in osteoporosis research [1].

Klotho-derived peptide 1 (KP1) (56-87), a peptide originating from the human Klotho protein, disrupts TGF-β signaling by binding to TGF-β receptor types 1 and 2 (TGFBR1 and TGFBR2; Kds = 1.41 and 14.6 µM, respectively). Preincubation with KP1 at a concentration of 10 µg/ml hinders the TGF-β-induced escalation of fibronectin and α-smooth muscle actin (α-SMA) levels in NRK-49F rat fibroblasts. Furthermore, in vivo studies reveal that KP1, administered at 1 mg/kg per day, preferentially accumulates in damaged kidneys, leading to significant reductions in serum creatinine and blood urea nitrogen levels, indicators of improved kidney function. Additionally, it decreases kidney fibrosis in mouse models of unilateral ureteral obstruction (UUO) and unilateral ischemia-reperfusion injury-induced renal fibrosis.

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

Endogenous APJ receptor agonist (EC50 = 20 nM) that is secreted by adipocytes. Binds with high affinity to human APJ receptors expressed in HEK 293 cells (pIC50= 8.61). Involved in regulation of cardiovascular function, fluid homeostasis and feeding. Bloc

Human LL-37 is a 37 amino acid cationic (6+) peptide and has been widely studied. LL-37 penetrates the bacterial membrane and forms pores in the membrane.

Fibrinopeptide A, human is a 16-residue short polypeptide cleaved from fibrinogen by thrombin. Fibrinopeptide A, human locates at the NH2-termini of the Aα chain.The conversion of monomeric fibrinogen into polymeric fibrin is mediated by thrombin, which b

Tau protein (592-597), Human (TFA) is a peptide fragment of human Tau protein.

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.

Neuropeptide W-23 (human) (NPW-23) TFA, representing the active form of Neuropeptide W, functions as an endogenous agonist for both NPBW1 (GPR7) and NPBW2 (GPR8) receptors [1].

Bovine Myeloid Antimicrobial Peptide (BMAP) 28, a synthetic peptide derived from bovine cathelicidin-5 (amino acids 132-158), exhibits antimicrobial activity against E. coli, S. aureus, MRSA, S. epidermidis, and the fungus C. albicans, with minimum inhibitory concentrations (MICs) of 2, 2, 4, 1, and 8 µM respectively. At a concentration of 200 nM, BMAP 28 permeabilizes the inner membrane of E. coli, and at 5 µM, it inhibits herpes simplex virus 1 (HSV-1) replication in Vero 76 cells. Furthermore, at 30 µM, it causes hemolysis in human erythrocytes and cytotoxicity in human neutrophils. In vivo, a dose of 0.8 mg/kg enhances survival in mice infected with E. coli or MRSA, but not P. aeruginosa.

Apelin-13 is an endogenous ligand of APJ receptor, and the EC 50 value of activated G protein coupled receptor is 0.37 nM.

EILDV (human, bovine, rat) is an active pentapeptide analog with a conserved tripeptide sequence LDV across human, bovine, and rat species, utilized in cell adhesion research [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].

Nocistatin (human) TFA inhibits the allodynia and hyperalgesia induced by nociceptin and mitigates pain triggered by prostaglandin E2 [1].

Adrenomedullin (AM) (22-52), human (22-52-Adrenomedullin human) TFAis a kind of NH2 TFA truncated at the end of the quality of adrenal medullary analogue, is a kind of quality of adrenal medullary receptor antagonist.

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].

Urotensin II (114-124), human TFA, is an 11-amino acid residue peptide with a strong vasoconstrictor effect. This compound acts as an agonist for the orphan receptor GPR14.

β-Amyloid(17-28) human is a fragment of the β-amyloid peptide (Abeta) associated with Alzheimer's disease (AD), promoting the aggregation of the full-length β-Amyloid40 into toxic aggregates [1]. This lipid-induced amyloid core segment is implicated in AD pathogenesis.

CRF, bovine (TFA), acts as a potent agonist for the CRF receptor and effectively displaces [125I-Tyr]ovine CRF, demonstrating a K_i of 3.52 nM [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.

PACAP (6-38), human, ovine, rat TFA 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.

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].

Thrombospondin-1 (1016-1021) (human, bovine, mouse) is a truncated peptide derived from Thrombospondin-1, lacking CD47-binding activity [1].

(Leu31,Pro34)-Peptide YY (human) (TFA) is the trifluoroacetic acid (TFA) form of (Leu31,Pro34)-Peptide YY (human), a derivative of Peptide YY that acts as a potent and selective Y1 agonist, exhibiting a dissociation constant (K D) of 1.0 nM [1].

Biotin-β-Amyloid (1-42), human TFA, also known as Biotin-Amyloid β-Peptide (1-42) (human) TFA, is a biotin-labeled 42-amino acid peptide implicated in the pathogenesis of Alzheimer's disease [1].

Myelin oligodendrocyte glycoprotein (MOG) peptide, a truncated form of MOG located on the extracellular myelin sheath surface, interacts with antigen serotype HLA-DR2 to mitigate effects of ischemic stroke induced by middle cerebral artery occlusion (MCAO) in mice. In female mice, it notably reduces cortical and striatal infarct volumes, lessens sensorimotor deficits as observed in tube- and corner turn tests, enhances engagement with novel odors, and prolongs the duration of cage mate-directed vocalizations, without exhibiting similar outcomes in male mice.

Gastric inhibitory peptide 1 (GIP-1) (3-42), a fragment of the incretin hormone GIP and antagonist to the GIP receptor, is generated through the action of serum dipeptidyl peptidase 4 (DDP-4). When administered at 25 nmol/kg to an ob/ob mouse diabetes model, GIP-1 (3-42) elevates plasma glucose levels and lowers plasma insulin levels, demonstrating its effect on reducing insulin secretion from BRIN-BD11 pancreatic cells at a concentration of 100 nM.

LL-37 (18-37), an antimicrobial peptide fragment of LL-37, exhibits activity against S. aureus and C. albicans, with minimum lethal concentrations of 4 µM and 10 µM, respectively. Additionally, it inhibits E. histolytica trophozoites growth at concentrations between 10 to 50 µM.

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.

Glucagon is a peptide hormone, produced by pancreatic α-cells. Glucagon reduces the activity of HNF-4. Glucagon stimulates gluconeogenesis. Glucagon enhances HNF4α phosphorylation.

TNF-α (31-45), human (TFA) is a peptide of tumor necrosis factor-α. Tumour necrosis factor alpha (TNF alpha) is an inflammatory cytokine that induces necrosis or apoptosis [1] .

β-Melanocyte Stimulating Hormone (MSH), human TFA, is a 22-residue peptide that functions as an endogenous agonist for the melanocortin-4 receptor (MC4-R) [1].

ACTH (1-17) TFA, an analogue of adrenocorticotropin, serves as a highly effective agonist for the human melanocortin 1 (MC1) receptor, exhibiting a dissociation constant (K i) of 0.21 nM.

Human β-CGRP TFA (β-CGRP, human TFA) is a calcitonin peptide that functions through interaction with the calcitonin-receptor-like receptor (CRLR) and receptor-activity-modifying protein (RAMP) complex, demonstrating IC50 values of 1 nM and 300 nM for CRLR/RAMP1 and CRLR/RAMP2, respectively, in cellular assays [1].

Biotinyl-Glucagon (1-29), encompassing human, bovine, and porcine versions, is a biotinylated form of glucagon. This peptide hormone, synthesized by the pancreas's α-cells, elevates glucose and fatty acid levels in the bloodstream [1] [2].

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), which serves as the precursor for α-MSH, illustrating its significant role in the POMC peptide family.

Acetyl-ACTH (7-24) (human, bovine, rat) effectively inhibits the secretion of corticosterone and aldosterone 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 [1]. This polypeptide tropic hormone variant differs from ACTH by the absence of glutamic acid at the fifth position.