JNJ-31020028 is a selective brain penetrant antagonist of neuropeptide Y2 receptor with high affinity(pIC50=8.07, human; pIC50=8.22 rat); >100-fold selective versus human Y1/Y4/Y5 receptors.

MK-0557 is a highly selective, orally administered neuropeptide NPY5R antagonist, could limit weight regain after very-low-calorie diet (VLCD)-induced weight loss.

NNZ2591 (cyclo-L-glycyl-L-2-allylproline)1 is an investigational synthetic analog of cyclic glycine-proline (cGP), a breakdown product of human insulin-like growth factor 1 (IGF-1), that has been chemically modified to increase its half-life, stability, and oral bioavailability.

Substance P free acid is a Sensory neuropeptide and inflammatory mediator. Exerts excitatory effects on central and peripheral neurons, constricts bronchioles and is involved in pain transmission.

Substance P is a Sensory neuropeptide and inflammatory mediator. Exerts excitatory effects on central and peripheral neurons, constricts bronchioles and is involved in pain transmission.

JNJ-5207787 is a nonpeptidic, selective and penetrate the blood-brain barrier neuropeptide Y Y2 receptor (Y2) antagonist. JNJ-5207787 inhibits the binding of peptide YY (PYY) with pIC50s of 7.0 and 7.1 for human Y2 receptor and rat Y2 receptor, respectively. JNJ-5207787 is >100-fold selective versus human Y1, Y4, and Y5 receptors.

CYM 9484 is a selective and highly potent neuropeptide Y (NPY) Y2 receptor antagonist with an IC50 value of 19 nM.

SHA 68 is a potent and selective non-peptide neuropeptide S receptor (NPSR) antagonist with IC50s of 22.0 and 23.8 nM for NPSR Asn107 and NPSR Ile107, respectively. SHA 68 has limited the blood-brain barrier (BBB) penetration and the activity in neuralgia.

RTI-118 is a novel small-molecule neuropeptide S receptor (NPSR) antagonist. RTI-118 can relieve drug addiction including selectively decrease cocaine self-administration.

Neuropeptide S human (TFA) is a potent endogenous neuropeptide S receptor agonist (EC50=9.4 nM). Neuropeptide S human (TFA) increases locomotor activity and wakefulness in mice. Neuropeptide S human (TFA) has the potential for alzheimer’s disease (AD) treatment.

Galanin Receptor Ligand M35 TFA is a high-affinity ligand and antagonist of galanin receptor (Kd=0.1 nM). Galanin Receptor Ligand M35 TFA exerts a Ki values of 0.11 and 2.0 nM for human galanin receptor type 1 and 2, respectively.

RF9 hydrochloride is a potent and selective Neuropeptide FF receptor antagonist, with Ki values of 58 and 75 nM for hNPFF1R and hNPFF2R, respectively.

Galanin (1-29)(rat, mouse) is a non-selective galanin receptor agonist, with Kis of 0.98, 1.48 and 1.47 nM for GAL1, GAL2 and GAL3 respectively. Anticonvulsant effect.

Galanin (1-29)(rat, mouse) TFA is a non-selective galanin receptor agonist, with Kis of 0.98, 1.48 and 1.47 nM for GAL1, GAL2 and GAL3, respectively. Anticonvulsant effect.

M1145, a chimeric peptide, is a selective galanin receptor type 2 (GAL2) agonist, with a Ki of 6.55 nM. M1145 shows more than 90-fold higher affinity for GAL2 over GAL1 (Ki=587 nM) and a 76-fold higher affinity over GalR3 (Ki=497 nM). M1145 has an additive effect on the signal transduction of galanin.

M1145 TFA, a chimeric peptide, is a selective galanin receptor type 2 (GAL2) agonist, with a Ki of 6.55 nM. M1145 TFA shows more than 90-fold higher affinity for GAL2 over GAL1 (Ki=587 nM) and a 76-fold higher affinity over GalR3 (Ki=497 nM). M1145 TFA has an additive effect on the signal transduction of galanin.

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

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

RFRP-3 (Neuropeptide VF(124-131))(human), a human GnIH peptide homolog, is a potent inhibitor of gonadotropin secretion by inhibiting Ca2+?mobilization. RFRP-3(human) is a NPFF1?receptor agonist, it inhibits forskolin-induced production of cAMP with an IC50 of 0.7 nM.

RFRP-3 (Neuropeptide VF(124-131))(human) TFA, a human GnIH peptide homolog, is a potent inhibitor of gonadotropin secretion by inhibiting Ca2+?mobilization. RFRP-3(human) is a NPFF1?receptor agonist, it inhibits forskolin-induced production of cAMP with an IC50 of 0.7 nM.

GR231118, an analogue of the C-terminus of neuropeptide Y, is a potent , competitive and relative seletive antagonist at human neuropeptide Y Y receptor with a pKi of 10.4. GR231118 a potent agonist at the human neuropeptide Y Y4 receptor (pEC50=8.6; pKi=9.6) and a weak agonist at the human and rat neuropeptide YY2 and Y5 receptors. GR231118 also has high affinity for the mouse neuropeptide Y Y6 receptor (pKi= 8.8).

GR231118 TFA, an analogue of the C-terminus of neuropeptide Y, is a potent , competitive and relative seletive antagonist at human neuropeptide YY receptor with a pKi of 10.4. GR231118 a potent agonist at the human neuropeptide YY4 receptor (pEC50=8.6; pKi=9.6) and a weak agonist at the human and rat neuropeptide Y Y2 and Y5 receptors. GR231118 also has high affinity for the mouse neuropeptide YY6 receptor (pKi= 8.8).

[D-Trp34]-Neuropeptide Y is a potent and selective neuropeptide Y (NPY) Y5 receptor agonist. [D-Trp34]-Neuropeptide Y is a significantly less potent agonist at the NPY Y1, Y2, Y4, and y6 receptors. [D-Trp34]-Neuropeptide Y markedly increases food intake in rats.

[D-Trp34]-Neuropeptide Y TFA is a potent and selective neuropeptide Y (NPY) Y5 receptor agonist. [D-Trp34]-Neuropeptide Y TFA is a significantly less potent agonist at the NPY Y1, Y2, Y4, and y6 receptors. [D-Trp34]-Neuropeptide Y TFA markedly increases food intake in rats.

[Leu31,Pro34]-Neuropeptide Y(human,rat) is a specific neuropeptide Y Y1 receptor agonist. [Leu31,Pro34]-Neuropeptide Y(human,rat) slao inhibits Y4, Y5. [Leu31,Pro34]-Neuropeptide Y(human,rat) can increase blood pressure in anesthetized rats and increases food intake.

[Leu31,Pro34]-Neuropeptide Y(human,rat) TFA is a specific neuropeptide Y Y1 receptor agonist. [Leu31,Pro34]-Neuropeptide Y(human,rat) TFA slao inhibits Y4, Y5. [Leu31,Pro34]-Neuropeptide Y(human,rat) TFA can increase blood pressure in anesthetized rats and increases food intake.

[cPP1-7,NPY19-23,Ala31,Aib32,Gln34]-hPancreatic Polypeptide is a potent and selective neuropeptide Y Y5 receptor agonist with an IC50 of 0.24 nM for binding to the hY5 receptor. [cPP1-7,NPY19-23,Ala31,Aib32,Gln34]-hPancreatic Polypeptide induces a high amount of food intake.

[cPP1-7,NPY19-23,Ala31,Aib32,Gln34]-hPancreatic Polypeptide is a potent and selective neuropeptide Y Y5 receptor agonist with an IC50 of 0.24 nM for binding to the hY5 receptor. [cPP1-7,NPY19-23,Ala31,Aib32,Gln34]-hPancreatic Polypeptide induces a high amount of food intake.

Neuropeptide Y (3-36) (human, rat), a neuropeptide Y (NPY) metabolite formed from dipeptidyl peptidase-4 (DPP4), is a selective Y2 receptor agonist. Neuropeptide Y (3-36) (human, rat) is a NPY metabolite formed from dipeptidyl peptidase-4 (DPP4). Neuropeptide Y (3-36) (human, rat) decreases release of norepinephrine via the Y2 receptor.

[D-Arg25]-Neuropeptide Y (human) ([D-Arg25] NPY) is a Y1 receptor selective agonist. Neuropeptide Y (human) is involved in Alzheimer's disease (AD) and protects rat cortical neurons against β-Amyloid toxicity.

Protirelin (Thyrotropin-releasing-hormone, TRH, Thyroliberin) acetate is a highly conserved neuropeptide that exerts the hormonal control of thyroid-stimulating hormone (TSH) levels as well as neuromodulatory functions.

Neuropeptide S(Mouse) is a potent endogenous neuropeptide S receptor (NPSR) agonist (EC50=3 nM). Neuropeptide S(Mouse) induces mobilization of intracellular Ca2+. Neuropeptide S(Mouse) increases locomotor activity and wakefulness in mice. Neuropeptide S(Mouse) also reduces anxiety-like behavior in mice.

RFRP-1(human) is a potent endogenous NPFF receptor agonist (EC50 values are 0.0011 and 29 nM for NPFF2 and NPFF1, respectively). Attenuates contractile function of isolated rat and rabbit cardiac myocytes. Reduces heart rate, stroke volume, ejection fraction and cardiac output, and increases plasma prolactin levels in rats.

Neuropeptide S(Mouse) TFA is a potent endogenous neuropeptide S receptor (NPSR) agonist (EC50=3 nM). Neuropeptide S(Mouse) TFA induces mobilization of intracellular Ca2+. Neuropeptide S(Mouse) TFA increases locomotor activity and wakefulness in mice. Neuropeptide S(Mouse) TFA also reduces anxiety-like behavior in mice.

Neuropeptide S(Rat) TFA is a potent endogenous neuropeptide S receptor (NSPR) agonist (EC50=3.2 nM). Neuropeptide S(Rat) TFA increases locomotor activity and wakefulness in mice. Neuropeptide S(Rat) TFA also reduces anxiety-like behavior in mice.

RFRP-1(human) TFA is a potent endogenous NPFF receptor agonist (EC50 values are 0.0011 and 29 nM for NPFF2 and NPFF1, respectively). Attenuates contractile function of isolated rat and rabbit cardiac myocytes. Reduces heart rate, stroke volume, ejection fraction and cardiac output, and increases plasma prolactin levels in rats.

Spexin TFA is a potent galanin receptor 2/3 (GAL2/GAL3) agonist (EC50 values are 45.7 and 112.2 nM, respectively). Spexin TFA exhibits no significant activity at galanin receptor 1. Spexin TFA is an endogenous satiety-inducing peptide; Spexin TFA inhibits long chain fatty acid uptake by adipocytes and decreases food consumption in diet-induced obese mice and rats. Spexin TFA attenuates LH secretion in goldfish. Spexin TFA exhibits anxiolytic effects in vivo.

[Leu31,Pro34]- Neuropeptide Y (porcine), a Neuropeptide Y (NPY) analog, is a selective NPY Y1 receptor agonist. [Leu31,Pro34]- Neuropeptide Y (porcine) exhibits anxiolytic effects.

Lu AA33810 is a potent and selective antagonist of neuropeptide Y5 receptor with a Ki of 1.5 nM for the human receptor. Lu AA33810 exhibts antianxiolytic-like and antidepressant-like effects.

Peptide YY (PYY) (3-36), Human is an endogenous appetite suppressing peptide. Peptide YY (PYY) (3-36), Human, a neuropeptide Y (NPY) Y2 receptor agonist, is a powerful inhibitor of intestinal secretion.

BIBP3226 is a potent and selective neuropeptide Y Y1 (NPY Y1) and neuropeptide FF (NPFF) receptor antagonist, with Kis of 1.1, 79, and 108 nM for rNPY Y1, hNPFF2, and rNPFF, respectively. BIBP3226 displays anxiogenic-like effect.

Y1R probe-1 (Compound 39) is a high-affinity fluorescence probe for the Neuropeptide Y Y1 Receptor. Y1R probe-1 has the potential for the research of cancer disease.

S 25585 is a potent and selective neuropeptide Y (NPY) Y5 receptor antagonist. S 25585 reduces food intake but not through blockade of the NPY Y5 receptor.

VU0506013 is a high-affinity, selective positive allosteric modulator (PAM) of neuropeptide Y4 receptor (Y4R) with EC50 of 125 nM.