MCOPPB is an orally active and selective agonist of Nociceptin/Orphanin FQ–Receptor. MCOPPB inhibits signaling through the NOP receptor in the mouse brain. MCOPPB is used in anxiety disorders research[1].
H-Ser-Tyr-OH is a dipeptide consisting of glutamic acid, glycine and histidine. H-Ser-Tyr-OH can form a copper(II) complex with copper ions to form a strong free radical scavenging activity. H-Ser-Tyr-OH also increases the intracellular uptake of the delta opioid receptor ligand deltorphin[1].
Loperamide D6 hydrochloride (R-18553 D6 hydrochloride) is a deuterium labeled Loperamide hydrochloride. Loperamide hydrochloride is an opioid receptor agonist for the treatment of diarrhea[1].
BU09059 is a potent, selective, short-acting kappa-opioid receptor antagonist with Ki of 1.72 nM, displays 15- and 616-fold selectivity over μ- and δ-receptors respectively; BU09059 is a potent and selective κ-antagonist with pA2 of 8.62, significantly blocks U50,488-induced antinociception in vivo (3 and 10 mg/kg), demonstrates a shorter duration of κ-antagonist action in vivo.
[DAla2] Dynorphin A (1-13), amide (porcine) is a petide. [DAla2] Dynorphin A (1-13), amide (porcine) might have the κ opioid receptor agonist effect. [DAla2] Dynorphin A (1-13), amide (porcine) can be used for the research of nervous system[1].
Hecogenin acetate is a steroidal sapogenin-acetylated with anti-inflammatory and antinociceptive. Hecogenin acetate shows potential antihyperalgesic activity, inhibiting descending pain and acting in opioid receptors[1][2].
Trimebutine maleate is a drug with antimuscarinic and weak mu opioid agonist effects.Target: Opioid ReceptorTrimebutine is an agonist of peripheral mu, kappa and delta opiate receptors, used as spasmolytic agent for treatment of both acute and chronic abdominal pain [1]. The major product from drug metabolism of trimebutine in human beings is nor-trimebutine, which comes from removal of one of the methyl groups attached to nitrogen. Trimebutine exerts its effects in part due to causing a premature activation of phase III of the migrating motor complex in the digestive tract [2, 3].
[Met5]-Enkephalin, amide is an agonist for δ opioid receptors as well as putative ζ (zeta) opioid receptors.
Samidorphan (ALKS-33) is an orally active opioid system modulator that has a high affinity for binding with μ‐opioid, κ‐opioid, and δ‐opioid receptors. Samidorphan acts as an antagonist at μ‐opioid receptors and acts as a partial agonist at k-opioid and δ‐opioid receptors. Samidorphan primarily acts as an opioid receptor antagonist in vivo[1].
SNC80 (NIH 10815) is a potent, highly selective and non-peptide δ-opioid receptor agonist with a Ki of 1.78 nM and an IC50 of 2.73 nM. SNC80 also selectively activates μ-δ heteromer in HEK293 cells with an EC50 of 52.8 nM. SNC80 shows antinociceptive, antihyperalgesic and antidepressant‐like effects. SNC80 has the potential for multiple headache disorders treatment[1][2][3][4][5][6].
BAM-12P, an endogenous opioid peptide, is a novel pro-Met-enkephalin. BAM-12P can activate human κ-opioid receptor (hKOR) with an EC50 of 101 nM and a pEC50 of 6.99. BAM-12P is a ligand for CXCR7 with an EC50 of 175 nM[1][2][3].
[Nphe1]Nociceptin(1-13)NH2, a novel nociceptin/orphanin FQ (NC) endogenous ligand, is a selective and competitive ociceptin receptor antagonist without any residual agonist activity. [Nphe1]nociceptin(1-13)NH2 binds selectively to recombinant nociceptin receptors (pKi=8.4) and antagonizes the inhibitory effects of nociceptin on cyclic AMP accumulation in CHO cells (pA2=6.0). [Nphe1]Nociceptin(1-13)NH2 has the potential to act as an analgesic agent[1].
Sinomenine hydrochloride is a blocker of the NF-κB activation and also an activator of μ-opioid receptor.
Loperamide hydrochloride is an opiate receptor agonist for the treatment of diarrhea.
Mu opioid receptor antagonist 7 (compound 24) is a potent and CNS permeable antagonist of µOR (µ-opioid receptor), with an IC50 of 29 ± 3.0 nM. Mu opioid receptor antagonist 7 can be used for the research of pain and opioid use disorder[1].
AT-121 hydrochloride is a bifunctional nociception and mu opioid receptor agonist, with Kis of 3.67 and 16.49 nM, respectively. AT-121 hydrochloride is a safe, non-addictive analgesic, and shows antinociceptive and antiallodynic effects[1].
β-Lipotropin (60-65) (β-LPH (60-65)), an opioid peptide, is a potent opioid agonist[1].
Nocistatin, a neuropeptide, is an endogenous ligand for the orphan opioid receptor-like receptor. Nocistatin is also a functional antagonist of neuropeptide nociceptin or orphanin FQ (Noc/OFQ). Nocistatin inhibits 5-HT release via a Gi/o proteinmediated pathway. Nocistatin blocks Nociceptin (Nociceptin)-induced allodynia and hyperalgesia[1][2].
TAN-452 is an orally active, selective peripherally acting δ-opioid receptor (DOR) antagonist with a Ki of 0.47 nM and a Kb of 0.21 nM. TAN-452 is an antagonist for μ-opioid receptor (MOR; Ki=36.56 nM and Kb=9.43 nM) and κ-opioid receptor (KOR; Ki=5.31 nM and Kb=7.18 nM). TAN-452, a derivative of Naltrindole, demonstrates low brain penetrability and attenuates morphine-induced side effects without affecting pain control[1].
Kelatorphan is a full inhibitor of enkephalin degrading enzymes.
Naltriben is a selective δ2-opioid receptor antagonist and TRPM7 activator. Naltriben enhances glioblastoma cell migration and invasion. Naltriben can be used in research into neurological diseases and cancer[1][2].
Trimebutine-d5 (fumarate) is deuterium labeled Trimebutine.
TIPP is a potent and selective δ-opioid antagonist with a Ki value of 1.22 nM[1].
β-casomorphin, bovine (β-casomorphin-7) is a opioid peptide with an IC50 of 14 μM in an Opioid receptors binding assay.
GSK1521498 free base is a potent and selective μ-opioid receptor (MOR) antagonist. GSK1521498 free base is being used for the treatment of disorders of compulsive consumption of food, alcohol, and drugs[1].
Oliceridine Racemate (TRV130 Racemate) is the racemate of Oliceridine. Oliceridine is a novel mu opioid receptor (MOR) agonist that preferentially activates G-protein versus β-arrestin signaling pathways coupled to MORs.
(N-Me-Tyr1,N-Me-Arg7,D-Leu-NHEt8)-Dynorphin A (1-8) (E-2078), a stable Dynorphin A (1–8) (HY-P2159) analog, is a kappa opioid receptor (KOR) agonist[1].
Trap-101 hydrochloride is a potent, selective and competitive antagonist of NOP receptors over classical opioid receptors. Trap-101 stimulates GTPγ35S binding to CHOhNOP membranes with pKi values of 8.65, 6.60, 6.14 and <5 for NOP, μ-, κ-, and δ-opioid receptors, respectively. Trap-101 attenuates motor deficits in a rat model of parkinson's disease and can be used for the research of nervous system diseases[1].
Viminol is a centrally acting analgesic agent. Viminol also shows antitussive activity[1][2].
BAM-22P, a highly potent opioid peptide, is a potent opioid agonist.