Substance P (7-11) is a C-terminal fragment of Substance P which can cause an increase in the intracellular calcium concentration.
Acetophenazine, a phenothiazine derivative, is an antipsychotic agent. Acetophenazine primarily blocks dopamine D2 receptors in the brain. Acetophenazine can be used for researching psychotic disorders such as schizophrenia and anxious depression[1][2].
Eletriptan-d5 is the deuterium labeled Eletriptan[1]. Eletriptan (UK-116044) is a highly selective and orally active serotonin 5-HT1B and 5-HT1D receptor agonist, with pKi values of 8.0 and 8.9, respectively. Eletriptan has inhibitory effects on markers of neurogenic inflammation in rats. Eletriptan can be used for researching migraine[2].
5'-Guanidinonaltrindole (5'-GNTI) hydrochloride is a highly selective and potent κ-opioid receptor antagonist with a Ki of 0.18 nM for human κ-opioid receptor[1].
Lurasidone-d8 is deuterium labeled Lurasidone. Lurasidone (SM-13496) is an antagonist of both dopamine D2 and 5-HT7 with IC50s of 1.68 and 0.495 nM, respectively. Lurasidone (SM-13496) is also a partial agonist of 5-HT1A receptor with an IC50 of 6.75 nM.
3α,21-Dihydroxy-5α-pregnan-20-one (THDOC), an endogenous neurosteroid, is a positive modulator of GABAA receptors. 3α,21-Dihydroxy-5α-pregnan-20-one potentiates neuronal response to low concentrations of GABA at α4β1δ GABAA receptors in vitro.
Arecaidine, a pyridine alkaloid, is a potent GABA uptake inhibitor. Arecaidine is a substrate of H+-coupled amino acid transporter 1 (PAT1, SLC36A1) and competitively inhibits L-proline uptake[1][2].
Navafenterol (AZD-8871) is an inhaled dual-acting, potent, selective, and long-lasting M3-antagonist/β2-agonist (MABA) with long-lasting effects and favorable safety profile. The pIC50 is 9.5 for human M3 receptor, and the pEC50 is 9.5 for β2-adrenoceptor. Navafenterol can be used for the research of chronic obstructive pulmonary disease (COPD). Bronchoprotective and antisialagogue effects. Favorable cardiovascular profile[1].
Desoxypeganine (Deoxypeganine), an alkaloid, is a potent and orally active cholinesterase (BChE and AChE) and selective MAO-A inhibitor, with IC50 values of 2, 17, and 2 μM, respectively. Desoxypeganine can be used for alcohol abuse research[1].
Epiboxidine hydrochloride is a potent and selective neural nAChR agonist with Kis of 0.46 nM and 1.2 nM for rat and human α4β2 nAChRs, respectively. Epiboxidine hydrochloride is a methylisoxazole analog of the alkaloid Epibatidine, and is also an analog of another nAChR agonist, ABT 418[1].
Brexpiprazole (OPC-34712) hydrochloride, an atypical orally active antipsychotic drug, is a partial agonist of human 5-HT1A and dopamine D2L receptor with Kis of 0.12 nM and 0.3 nM, respectively. Brexpiprazole hydrochloride is also a 5-HT2A receptor antagonist with a Ki of 0.47 nM. Brexpiprazole hydrochloride also shows potent antagonist activity at human noradrenergic α1B (Ki=0.17 nM) and α2C receptors (Ki=0.59 nM)[1][2].
SPD-473 citrate is a serotonin/dopamine/norepinephrine reuptake inhibitior.
Ziprasidone (CP-88059) mesylate trihydrate is an orally active combined 5-HT and dopamine receptor antagonist[1]. Ziprasidone mesylate trihydrate has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM)[1].
Talnetant Hcl(SB 223412 Hcl) is a potent and selective NK3 receptor antagonist(ki=1.4 nM, hNK-3-CHO); 100-fold selective for the hNK-3 versus hNK-2 receptor, with no affinity for the hNK-1 at concentrations up to 100 uM.IC50 Value: 1.4 nM (hNK-3-CHO binding Ki) [1]Target: NK3 receptorin vitro: In vitro studies demonstrated that 53 is a potent functional antagonist of the hNK-3 receptor (reversal of senktide-induced contractions in rabbit isolated iris sphincter muscles and reversal of NKB-induced Ca2+ mobilization in CHO cells stably expressing the hNK-3 receptor), while in vivo this compound showed oral and intravenous activity in NK-3 receptor-driven models (senktide-induced behavioral responses in mice and senktide-induced miosis in rabbits) [1]. Talnetant has high affinity for recombinant human NK3 receptors (pKi 8.7) and demonstrates selectivity over other neurokinin receptors (pKi NK2 = 6.6 and NK1<4). In native tissue-binding studies, talnetant displayed high affinity for the guinea pig NK3 receptor (pKi 8.5) [3].in vivo: Rectal barostat tests were performed on 102 healthy volunteers, randomized to receive either oral talnetant 25 or 100 mg or placebo over 14-17 days [2]. Talnetant (3-30 mg/kg i.p.) significantly attenuated senktide-induced 'wet dog shake' behaviors in the guinea pig in a dose-dependent manner. Microdialysis studies demonstrated that acute administration of talnetant (30 mg/kg i.p.) produced significant increases in extracellular dopamine and norepinephrine in the medial prefrontal cortex and attenuated haloperidol-induced increases in nucleus accumbens dopamine levels in the freely moving guinea pigs [3].Toxicity: Talnetant had no effect on rectal compliance, sensory thresholds or intensity ratings compared with placebo [2].Clinical trial: Study Of Talnetant Versus Placebo And Risperidone In Schizophrenia. Phase 2
Acotiamide hydrochloride is an orally active, selective and reversible acetylcholinesterase (AChE) inhibitor, with IC50 of 1.79 μM. Acotiamide hydrochloride can enhance gastric contractility and accelerate delayed gastric emptying. Acotiamide hydrochloride has the potential for the research of functional dyspepsia involving gastric motility dysfunction and intestinal inflammatory[1][2][3].
Dehydroaripiprazole (OPC-14857) is an active metabolite of Aripiprazole. Aripiprazole is an antipsychotic agent and is metabolized by CYP3A4 and CYP2D6 forming mainly Dehydroaripiprazole. Dehydroaripiprazole has with antipsychotic activity equivalent to Aripiprazole[1][2][3].
U-54494A is a benzamide derivative related to κ-opioid receptor agonists, U-54494A has an anticonvulsant activity[1].
Lycoramine, a dihydro-derivative of galanthamine, is isolated from Lycoris radiate. Lycoramine is a potent acetylcholinesterase (AChE) inhibitor[1][2].
CP-465022 Maleate is a potent, and selective noncompetitive AMPA receptor antagonist with anticonvulsant activity. CP-465022 is against Kainate-induced response with an IC50 of 25 nM in rat cortical neurons. CP-465022 provides a new tool to investigate the role of AMPA receptors in physiological and pathophysiological processes[1][2].
Pramipexole 2Hcl is a partial/full D2S, D2L, D3, D4 receptor agonist with a Ki of 3.9, 2.2, 0.5 and 5.1 nM for D2S, D2L, D3, D4 receptor, respectively. IC50 Value: 3.9 nM(D2S); 2.2 nM(D2L); 0.5 nM(D3); 5.1 nM(D4)Target: Dopamine ReceptorPramipexole dihydrochloride is a dopamine receptor agonist with selectivity for the D3 receptor (Ki values are 3.9, 3.3, 0.5 and 3.9 nM for D2L, D2S, D3 and D4 receptors respectively). Pramipexole dihydrochloride exhibits negligable affinity for D1 and D5 receptors. Pramipexole has been found to have neuroprotective effects independent of its dopamine receptor agonism. It reduces mitochondrial reactive oxygen species (ROS) production and inhibits the activation of apoptotic pathways. Pramipexole displays activity in the treatment of Parkinson's disease (PD) and restless legs syndrome (RLS).
L-Phenylalanine-3-13C ((S)-2-Amino-3-phenylpropionic acid-3-13C) is the 13C-labeled L-Phenylalanine. L-Phenylalanine ((S)-2-Amino-3-phenylpropionic acid) is an essential amino acid isolated from Escherichia coli. L-Phenylalanine is a α2δ subunit of voltage-dependent Ca+ channels antagonist with a Ki of 980 nM. L-phenylalanine is a competitive antagonist for the glycine- and glutamate-binding sites of N-methyl-D-aspartate receptors (NMDARs) (KB of 573 μM ) and non-NMDARs, respectively. L-Phenylalanine is widely used in the production of food flavors and pharmaceuticals[1][2][3][4].
AM 374 is an fatty acid amide hydrolase (FAAH) inhibitor. AM 374 inhibits amidase activity with an IC50 value of 13 nM. AM 374 can be used for the research of neurological disease[1][2].
Malathion is an organophosphate parasympathomimetic which binds irreversibly to cholinesterase, is an insecticide of relatively low human toxicity.
STO-609 is a selective and cell-permeable inhibitor of the Ca2+/calmodulin-dependent protein kinase kinase (CaM-KK), with Ki values of 80 and 15 ng/mL for recombinant CaM-KKα and CaM-KKβ, respectively.
RPR104632 is a specific antagonist of NMDA receptor, with potent neuroprotective properties.
Tegileridine is the potent agonist of opioid receptor (MOR). Tegileridine is an oxa spiro derivative which reduces the side effects mediated by β-arrestin. Tegileridine has the potential for the research of pains and pains-related diseases (extracted from patent WO2017063509A1)[1].
Fosthiazate is a broad-spectrum nematicide against various plant parasitic nematodes, including Meloidogyne spp., Globodera spp., and Pratylenchus spp., through inhibiting the synthesis of acetylcholinesterase[1].
Haloperidol D4' is deuterium labeled haloperidol, and the latter is a potent dopamine D2 receptor antagonist.
24-Hydroxycholesterol is a natural sterol, which serves as a positive allosteric modulator of N-Methyl-d-Aspartate (NMDA) receptorsR, and a potent activator of the transcription factors LXR.
Nociceptin (1-13), amide is a potent ORL1 (OP4) receptor agonist with a pEC50 of 7.9 for mouse vas deferens and a Ki of 0.75 nM for binding to rat forebrain membranes[1][2].