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).