Entacapone is a specific, potent, peripherally acting catechol-O-methyltransferase (COMT) inhibitor with IC50 of 151 nM for PD treatment. IC50 Value: 151 nMTarget: COMTin vitro: Entacapone inhibits catechol-O-methyltransferase(COMT) with similar IC50 in different tissues including live, duodenum, kidney and lung, but entacapone is more active than tolcapone in those tissues. Entacapone (< 100 μM) is a potent inhibitor of α-syn and β-amyloid (Aβ) oligomerization and fibrillogenesis, and also protects against extracellular toxicity induced by the aggregation of both proteins in PC12 cells.in vivo: Levodopa/carbidopa/entacapone has been shown to improve the pharmacokinetic profile of levodopa and provide superior symptomatic control compared with conventional levodopa/dopa decarboxylase inhibitor therapy. We report four case histories describing clinical experience of using levodopa/carbidopa/entacapone 200/50/200 mg, one of the latest doses of this formulation, in a range of patients with Parkinson's disease. These cases illustrate that levodopa/carbidopa/entacapone 200/50/200 mg provides improvements in symptomatic control.Clinical trial: The combination product carbidopa/levodopa/entacapone (CLE) was approved in 2003 for the treatment of PD patients.
Tracazolate hydrochloride (ICI 136753 hydrochloride) is a potent GABAA receptor modulator. Tracazolate hydrochloride potentiates α1β1γ2s (EC50=13.2 μM) and α1β3γ2 (EC50=1.5 μM) in a concentration-dependent manner. Tracazolate hydrochloride has the potency (EC50) is determined by the nature of the third subunit (γ1-3, δ, ε) within the receptor complex. Tracazolate hydrochloride possesses anxiolytic and anticonvulsant activity[1][2].
Diphenidol hydrochloride is a muscarinic antagonist employed as an antiemetic and as an antivertigo agent.
Muscarine ((+)-Muscarine) tosylate is an agonist of prototype mAChR. Muscarine tosylate is a toxin that can stimulate the parasympathetic nervous system[1][2].
Asimilobine is an aporphine isoquinoline alkaloid isolated from plant species of Magnolia obobata Thun. Asimilobine is a dopamine biosynthesis inhibitor and a serotonergic receptor antagonist. Asimilobine shows an antimalarial and anti-cancer activity[1][2].
Cyclophostin is an acetylcholinesterase (AChE) inhibitor with IC50 values of 45, 0.76 and 1.3 nM for humans and two different insects, respectively[1].
6-Chloromelatonin is a potent melatonin receptor agonist with greater metabolic stability than melatonin. 6-Chloromelatonin compete for [3H]-melatonin and 2-[125I]-iodomelatonin binding to MT1 receptors (pKi=8.9 and 9.1, respectively). 6-Chloromelatonin compete for [3H]-melatonin binding to MT2 receptors (pKi=9.77)[1][2].
Lavendustin C is a potent Ca2+ calmodulin-dependent kinase II (CaMK II) inhibitor with an IC50 of 0.2 µM. Lavendustin C inhibits EGFR-associated tyrosine kinase (IC50=0.012 µM) and pp60c-src(+) kinase (IC50=0.5 µM) [1][2].
NB-360 is a potent, brain penetrable, and orally bioavailable dual BACE1/BACE2 inhibitor (IC50: mouse and human BACE1=5 nM; BACE2=6 nM). NB-360 shows a superior pharmacological profile and robust reduction of amyloid-β and neuroinflammation in amyloid precursor protein(APP) transgenic mice. NB-360 can completely block the progression of Aβ deposition in the brains of APP transgenic mice. NB-360 shows excellent selectivity over the related aspartyl proteases pepsin, cathepsin D and cathepsin E[1][2].
SX-3228 is a selective benzodiazepine1 (BZ1) receptor agonist with an IC50 of 17 nM.
Thiethylperazine, a phenothiazine derivate, is an orally active and potent dopamine D2-receptor and histamine H1-receptor antagonist. Thiethylperazine is also a selective ABCC1activator that reduces amyloid-β (Aβ) load in mice. Thiethylperazine has anti-emetic, antipsychotic and antimicrobial effects[1][2][3].
Picfeltarraenin IA, a triterpenoid obtained from Picriafel-terrae Lour (P.fel-terrae), is an acetylcholinesterase (AChE) inhibitor. Picfeltarraenin IA can be used for the treatment of herpes infections, cancer and inflammation[1].
11C-MK-3168 is a potent, reversible and blood/brain barrier penetrated fatty acid amide hydrolase (FAAH) inhibitor, with IC50s of 1.0, 1.7 and 5.5 nM for human, rat and rhesus FAAH, respectively.
Indole-2-carboxylic acid-13C is the 13C-labeled Indole-2-carboxylic acid. Indole-2-carboxylic acid is a strong inhibitor of lipid peroxidation. Indole-2-carboxylic acid (I2CA) specifically and competitively inhibits the potentiation by glycine of NMDA-gated current[1][2].
Pralidoxime is a potent reactivator of acetylcholinesterase (AChE). Pralidoxime reactivates nerve agent-inhibited AChE via direct nucleophilic attack by the oxime moiety on the phosphorus center of the bound nerve agent. Pralidoxime is an antidote for organophosphate poisoning[1][2].
(rel)-Tranylcypromine D5 hydrochloride (2-Phenylcyclopropylamine D5 hydrochloride) is a deuterium labeled (rel)-Tranylcypromine hydrochloride. (rel)-Tranylcypromine hydrochloride is an irreversible, nonselective monoamine oxidase (MAO) inhibitor used in the treatment of depression. (rel)-Tranylcypromine hydrochloride is also a lysine-specific demethylase 1 (LSD1) inhibitor, suppresses lesion growth and improves generalized hyperalgesia in mouse with induced endometriosis[1][2].
5-HT3 antagonist 4 is a 5-HT3 receptor (5HT3R) antagonist. 5-HT3 antagonist 4 prevents diabetes-induced depressive phenotypes in mice[1].
5-Iodo-A-85380 dihydrochloride is a selective ligand of nAChR. 5-Iodo-A-85380 dihydrochloride binds to α4β2 nAChRs in rat and human brain with Kds of 12 and 14 pM,respectively[1].
Conantokin-T is a γ-carboxyglutamate-containing, N-methyl-D-aspartate (NMDA) antagonist peptidewith an IC50 value of 2 μM. Conantokin-T inhibits NMDA receptor-mediated calcium influx in central nervous system neurons. Conantokin-T can be purified from the venom of the fish-hunting cone snail, Conus tulipa[1].
Nexopamil racemate is the racemate of Nexopamil. Nexopamil is a combined Ca2+/5-HT2 antagonist on thrombus formation in vivo and on platelet aggregation in vitro.
Emamectin Benzoate (MK-244) works as a chloride channel activator by binding gamma aminobutyric acid (GABA) receptor and glutamate-gated chloride channels disrupting nerve signals within arthropods.
Quipazine is a 5-HT agonist with a Ki value of 1.4 nM for displaces [3H]GR65630 from 5-HT3R in rat. Quipazine shows antiviral activity against SARS-CoV-2 with an EC50 of 31.64 μM. Quipazine behaves as a 5-HT3R agonist in peripheral models. Quipazine can be used for neurological disease research[1][2][3][4].
TBPB is an allosteric M1 mAChR agonist(EC50=289 nM) that regulates amyloid processing and produces antipsychotic-like activity in rats.IC50 value: 289 nM(EC50) [2]Target: M1 mAChR agonistin vitro: TBPB activates M(1) through an allosteric site rather than the orthosteric acetylcholine binding site, which is likely critical for its unprecedented selectivity. Whole-cell patch-clamp recordings demonstrated that activation of M(1) by TBPB potentiates NMDA receptor currents in hippocampal pyramidal cells but does not alter excitatory or inhibitory synaptic transmission, responses thought to be mediated by M(2) and M(4) [1]. in vivo: TBPB was efficacious in models predictive of antipsychotic-like activity in rats at doses that did not produce catalepsy or peripheral adverse effects of other mAChR agonists [1].
3,5-Dihydroxy-2-naphthoic acid is a Naphthoic acid derivative. Naphthoic acid is a NMDA receptor allosteric modulator[1].
Xanomeline (LY 246708) is the potent agonist of muscarinic M1/M4 receptor with antipsychotic-like activity. Xanomeline (LY 246708) increases neuronal excitability. Xanomeline (LY 246708) can be used for the research of schizophrenia[1][2][3].
BACE1-IN-13 (Compound 36) is an orally active BACE1 inhibitor with an IC50 value of 2.9 nM. BACE1-IN-13 is highly potent in hAβ42 cell (IC50 = 1.3 nM). BACE1-IN-13 has cardiovascularly safty and elicits sustained Aβ42 reduction in mouse and dog animal models[1].
Norfluoxetine hydrochloride is an active N-demethylated metabolite of Fluoxetine. Fluoxetine is a selective serotonin (5-HT) reuptake inhibitor that is metabolized to Norfluoxetine hydrochloride by cytochrome P450 (CYP) 2D6, CYP2C19, and CYP3A4. Norfluoxetine hydrochloride inhibits 5-HT uptake and inhibits CaV3.3 T current (IC50 = 5 μM). Norfluoxetine hydrochloride has anticonvulsant activity[1][2][3][4].
CP-96,345 is a specific, highly potent, and orally active tachykinin and substance P receptor non-peptide inhibitor. CP-96,345 prevents the drop in blood pressure evoked by substance P and neurokinin A. CP-96,345 can be used for researching neurogenic inflammation[1].
DOV-216,303 (Free Base) is a potent triple serotonin, norepinephrine, and dopamine reuptake inhibitor, with IC50 values of 14 nM, 20 nM and 78 nM for hSERT, hNET and hDAT, respectively[1]. Has antidepressant-like effects and increases monoamine release in the prefrontal cortex of olfactory bulbectomized (OBX) rats[2].
L-Glutamic acid-13C5,d5,15N is the deuterium, 13C-, and 15-labeled L-Glutamic acid. L-Glutamic acid acts as an excitatory transmitter and an agonist at all subtypes of glutamate receptors (metabotropic, kainate, NMDA, and AMPA). L-Glutamic acid shows a direct activating effect on the release of DA from dopaminergic terminals.