Hemokinin 1, human is a selective tachykinin neurokinin 1 (NK1) receptor full agonist. Hemokinin 1, human is a full agonist at NK2 and NK3 receptor. Hemokinin 1, human can produces an opioid-independent analgesia[1][2].
SB 222200 is a selective, reversible and competitive antagonist of human NK-3 receptor(Ki=4.4 nM) that effectively crosses the blood-brain barrier.IC50 Value: 4.4 nM ( Ki for hNK-3 receptor); 250 nM( Ki for hNK-2 receptor) [1]Target: NK3 Receptorin vitro: SB-222200 inhibited (125)I-[MePhe(7)]neurokinin B (NKB) binding to Chinese hamster ovary (CHO) cell membranes stably expressing the hNK-3 receptor (CHO-hNK-3R) with a K(i) = 4.4 nM and antagonized NKB-induced Ca(2+) mobilization in HEK 293 cells stably expressing the hNK-3 receptor (HEK 293-hNK-3R) with an IC(50) = 18.4 nM. SB-222200 was selective for hNK-3 receptors compared with hNK-1 (K(i) > 100,000 nM) and hNK-2 receptors (K(i) = 250 nM). n HEK 293 cells transiently expressing murine NK-3 receptors (HEK 293-mNK-3R), SB-222200 inhibited binding of (125)I-[MePhe(7)]NKB (K(i) = 174 nM) and antagonized NKB (1 nM)-induced calcium mobilization (IC(50) = 265 nM) [1].in vivo: In mice oral administration of SB-222200 produced dose-dependent inhibition of behavioral responses induced by i.p. or intracerebral ventricular administration of the NK-3 receptor-selective agonist, senktide, with ED(50) values of approximately 5 mg/kg. SB-222200effectively crossed the blood-brain barrier in the mouse and rat. The inhibitory effect of SB-222200 against senktide-induced behavioral responses in the mouse correlated significantly with brain, but not plasma, concentrations of the compound. Pharmacokinetic evaluation of SB-222200 in rat after oral administration (8 mg/kg) indicated sustained plasma concentrations (C(max) = about 400 ng/ml) and bioavailability of 46% [1].
Vofopitant is potent tachykinin NK1 receptor antagonist, with pKis of 10.6, 9.5, and 9.8 for human, rat and ferret NK1 receptor, respectively.
Spantide I, a substance P analog, is a selective NK1 receptor antagonist, with Ki values of 230 nM and 8150 nM for NK1 and NK2 receptor, respectively. Spantide I provides an approach to reduce type 1 and enhance the type 2 cytokine IL-10 in the infected cornea, leading to a significant reduction in corneal perforation[1][2][3].
Neurokinin Receptor (393-407), rat (SPR393–407) is a rat neurokinin 1 receptor (NK1R) fragment. NK1R is rapidly internalized by endocytosis and recycled to the plasma membrane when binding to substance P (SP). Neurokinin Receptor (393-407), rat can be used in the research of neurogenic inflammation[1][2].
Gly-Leu-Met-NH2 is a C-terminal tripeptide of Substance P (Substance P (HY-P0201)). Substance P is a neuropeptide[1].
Neurokinin B TFA belongs to the tachykinin family of peptides. Neurokinin B binds a family of GPCRs-including neurokinin receptor 1 (NK1R), NK2R, and NK3R-to mediate their biological effect[1].
(D-Pro2,D-Trp6,8,Nle10)-Neurokinin B is a competitive antagonist of Neurokinin B (Neurokinin Receptor) with a pA2 of 5.5. (D-Pro2,D-Trp6,8,Nle10)-Neurokinin B shows no influence on Substance P or Neurokinin A[1].
GR 159897 is a highly potent, selective, competitive, brain-penetrated non-peptide antagonist at tachykinin NK2 receptors, inhibits binding of [3H]GR100679 to hNK2-CHO cells and rat colon membranes with pKis of 9.51 and 10, respectively. Antagonizes bronchoconstriction, with anxiolytic-like activity[1].
Fosnetupitant chloride monohydrochloride (Pronetupitant chloride monohydrochloride) is an NK1 antagonist with pKi values of 9.5, 6.1 for human NK1 and NK3 receptor, respectively. Fosnetupitant chloride monohydrochloride is a methylene phosphate prodrug of Netupitant[1].
Ditryptophenaline ((-)-Ditryptophenaline) is the metabolites of Aspergillus flavus. Ditryptophenaline inhibits substance P receptor and has anti-inflammatory activity[1].
(D-Arg1,D-Pro2,D-Phe7,D-His9)-Substance P is a selective NK1 receptor antagonist[1].
Substance P TFA (Neurokinin P TFA) is a neuropeptide, acting as a neurotransmitter and as a neuromodulator in the CNS. The endogenous receptor for substance P is neurokinin 1 receptor (NK1-receptor, NK1R)[1].
Phyllomedusin, an tachykinin decapeptide, is a NK1 receptor agonist. Phyllomedusin has vasodilating activity and provokes the contraction of the pylorus[1][2][3].
Maropitant is a neurokinin (NK1) receptor antagonist. IC50 value:Target: NK1 receptorMaropitant is the first NK1 receptor antagonist developed to treat and prevent emesis in dogs. Treatment with 1 mg/kg Maropitant citrate, significantly reduced the size of ulcerative dermatitis (UD) lesions in mice. Intravenous Maropitant decreased (p < 0.05) MAC by 16% (1.74 ± 0.17%). In contrast, epidural administration of either saline or Maropitant did not change (p > 0.05) the MAC (2.17 ± 0.34% and 1.92 ± 0.12%, respectively).
[D-Pro4,D-Trp7,9,Nle11] Substance P (4-11) is a potent neurokinin NK1 antagonist. [D-Pro4,D-Trp7,9,Nle11] Substance P (4-11) inhibits the effects of gold-protein-substance P (GPSP) and substance P (SP)[1].
Rolapitant (SCH619734) hydrochloride is a potent, selective, long-acting and orally active neurokinin 1 (NK1) receptor antagonist with a Ki of 0.66 nM. Rolapitant hydrochloride does not interact with CYP3A4. Rolapitant hydrochloride shows potent anti-emetic activity in a ferret emesis model[1][2].
Scyliorhinin II is a selective neurokinin-3 receptor agonist, with a Ki of 2.5 nM for neurokinin-3 receptor in rat cerebral cortex.
[Tyr8,Nle11] Substance P is a Substance P (HY-P0201) analog. Substance P is a peptide mainly secreted by neurons and is involved in many biological processes, including nociception and inflammation[1].
Orvepitant maleate (GW823296 maleate) is potent, selective, orally active and well-tolerated neurokinin-1 receptor (NK-1) antagonist with a pKi of 10.2 for human neurokinin-1 receptor. Orvepitant maleate can across the blood-brain barrier. Orvepitant maleate has the potential for depressive disorder and chronic refractory cough (CRC) treatment[1][2].
Fezolinetant is an antagonist of the neurokinin 3 receptor (NK3R), used for the treatment of menopausal hot flushes.
Pavinetant (MLE-4901) is a neurokinin-3 receptor (NK3R) antagonist.
Y1 receptor antagonist 1, an isomer of H-409/22, is a neuropeptide Y1 receptor antagonist.
Saredutant is a selective NK2 receptor antagonist.
Physalaemin, a non-mammalian tachykinin, binds selectively to neurokinin-1 (NK1) receptor with high affinity.
(Trp7,β-Ala8)-Neurokinin A (4-10) is a potent neurokinin-3 (NK3) antagonist[1].
SDZ NKT 343 is a selective, orally active NK1 receptor antagonist with an IC50 of 0.62 nM against human NK1 receptor. SDZ NKT 343 has good analgesic activity[1][2].
Osanetant (SR142801) is a selective NK3 receptor antagonist. Osanetant produces anxiolytic- and antidepressant-like effects and is researched for the treatment of schizophrenia[1].
L-760735 is a high affinity, selective and orally active NK1 receptor antagonist with an IC50 of 0.19 nM for human NK1 receptors. L-760735 exhibits anxiolytic and antidepressant-like effects[1].
Kassinin is a peptide derived from the Kassina frog. It belongs to tachykinin family of neuropeptides. It is secreted as a defense response, and is involved in neuropeptide signalling.