tau protein , human tfa

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

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

Activated Protein C (390-404), human acetate (Activated Protein C ) inhibits APC anticoagulant activity.

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.

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.

Adrenocorticotropic Hormone (ACTH) (18-39), human TFA (CLIP human TFA) is a corticotropin-like intermediate lobe peptide produced in the melanotrophs of the pituitary's intermediate lobe.

FibrinopeptideB,human is a 14-amino acid polypeptide released from the amino terminus of the fibrinogen segment.

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.

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.

MART-1 (26-35) (human) TFA is an amino acid residue of 26-35 protein.

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.

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.

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

(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].

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

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].

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

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.

HCV-1 e2 Protein (554-569) TFA, an antigenic segment of the hepatitis C virus envelope 2 (e2) protein, contains a potential N-glycosylation site that may influence immune recognition of e2 [1].

Interphotoreceptor retinoid-binding protein(668-687) TFA, a peptide fragment corresponding to amino acids 668-687 of the human interphotoreceptor retinoid-binding protein (IRBP), has been implicated in the induction of uveitis [1].

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

Lys-γ3-MSH(human) TFA, a melanocortin peptide originating from the C-terminal fragment of pro-opiomelanocortin (POMC), enhances the steroidogenic response of rat adrenal glands to adrenocorticotrophin (ACTH). It is a potent stimulator of lipolysis, demonstrating an apparent EC50 of 3.56 nM, by activating hormone-sensitive lipase (HSL) and Perilipin A, leading to lipolysis [1] [2].

Human Growth Hormone-Releasing Factor TFA, also known as Growth Hormone-Releasing Factor Human TFA, is a hypothalamic polypeptide that promotes the production and release of growth hormone (GH) through its interaction with the Growth Hormone-Releasing Hormone Receptor (GHRHR) on anterior pituitary cells [1].

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].

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.

Acetyl Gastric Inhibitory Peptide (human) TFA, a fatty acid-derivatized analog of the glucose-dependent insulinotropic polypeptide, exhibits enhanced antihyperglycemic and insulinotropic properties. It is utilized in the research of diabetes, insulin resistance, and obesity [1] [2] [3].

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.

Surfactant protein A (SP-A) (196-215) is a synthetic peptide derived from the C-terminal carbohydrate recognition domain of human SP-A, specifically amino acids 196-215. This peptide suppresses LPS-induced TNF-α release in JAWSII mouse dendritic cells at 1 and 10 µM concentrations and promotes phagocytosis of P. aeruginosa at a 75 µM concentration. Furthermore, intratracheal administration of SP-A (196-215) at a dose of 50 µg per animal reduces disease severity and lung colony-forming units in mice infected with P. aeruginosa.

TNF-α (46-65), human (TFA) is a peptide of human TNF-α.

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

Protease-Activated Receptor-3 (PAR-3) (1-6), human TFA, is a peptide that acts as an agonist for the proteinase-activated receptor (PAR-3) [1].

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]

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.

Secretin (28-54), human TFA is a 27-amino acid peptide that acts on the human Secretin receptor.

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, and functions predominantly as an inverse agonist for the melanocortin-4 receptor (MC4R), thereby promoting food intake [1] [2].

Microtubule-associated protein tau (26-44) is a synthetic peptide with an amino group conjugated to glutamine and a carboxyl group conjugated to lysine.

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

Apelin-36(human) TFA, an endogenous agonist of the orphan G protein-coupled receptor APJ, exhibits a potent EC50 of 20 nM and high affinity (pIC5 50 = 8.61) for human APJ receptors in HEK 293 cells. It is involved in significant cardiovascular and metabolic activities. Furthermore, Apelin-36(human) TFA can inhibit the entry of certain HIV-1 and HIV-2 strains into NP2/CD4 cells expressing the APJ receptor. [1] [2] [3] [4]

β-Amyloid (42-1), human TFA, a 42-amino acid peptide, represents the inactive form of Amyloid β Peptide (1-42) and is crucial in the development of Alzheimer's disease [1].

Apelin-17(human, bovine) TFA is an endogenous agonist of the orphan G protein-coupled receptor APJ, demonstrating affinity for human APJ receptors on HEK 293 cells with a pIC50 value of 9.02. It also blocks the entry of certain HIV-1 and HIV-2 strains into NP2 CD4 cells that express the APJ receptor [1] [2] [3].

[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].

Kisspeptin-10, human TFA, is a potent vasoconstrictor and angiogenesis inhibitor that also suppresses tumor metastasis through its interaction with the receptor GPR54. It is crucial for embryonic kidney development and promotes osteoblast differentiation through NFATc4-mediated BMP2 expression via the Kisspeptin-10/GPR54 signaling pathway [1].

Mini Gastrin I, human (TFA) is a truncated form of the human gastrin peptide, consisting of amino acids 5-17 of the original sequence.

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

Myelin Basic Protein (87-99) TFA, an encephalitogenic peptide, promotes basic protein-specific T cell proliferation and induces Th1 polarization in peripheral blood mononuclear cells, contributing to the pathogenesis of multiple sclerosis (MS) [1] [2].

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].