Ro 25-6981 Maleate is a potent and selective activity-dependent blocker of NMDA receptors containing the NR2B subunit. IC50 values are 0.009 and 52 μM for cloned receptor subunit combinations NR1C/NR2B and NR1C/NR2A respectively.IC50 value: 9 nM [1]Target: NMDA receptor subtype of NR1C & NR2Bin vitro: Ro 25-6981 inhibited 3H-MK-801 binding to rat forebrain membranes in a biphasic manner with IC50 values of 0.003 microM and 149 microM for high- (about 60%) and low-affinity sites, respectively. NMDA receptor subtypes expressed in Xenopus oocytes were blocked with IC50 values of 0.009 microM and 52 microM for the subunit combinations NR1C & NR2B and NR1C & NR2A, respectively, which indicated a >5000-fold selectivity [1]. Increasing the concentration of spermidine did not change the efficacy of RO 25-6981 and minimally changed the IC(50) value. Epsilon1Q336R receptors were more inhibited by ifenprodil and RO 25-9681 than wildtype epsilon1 receptors in ligand binding assays but not in functional assays [2].in vivo: Intrathecal injection of Ro 25-6981 significantly enhanced the paw withdrawal mechanical threshold and paw withdrawal thermal latency after the operation. Significant change has been observed after intrathecal injection of 800.0 μg of Ro 25-6981 and at 2h after operation in the oblique pull test degree and BBB rating score. Pretreatment of Ro 25-6981 decreased the high level expression of NR2B with tyrosine phosphorylation in spinal dorsal horn of the rat model after the operation [3].
MCPG is a carboxylic phenyl glycine. MCPG can block metabotropic glutamate receptor (mGluR)(HY-15129) and has antagonistic activity of mGluR subtype. MCPG can be used to study the induction and maintenance of long-term potentiation (LTP) [1].
Hydroxyisobakuchiol (Delta3,2-Hydroxylbakuchiol), an analog of Bakuchiol (HY-N0235) isolated from Psoralea corylifolia (L.), is a potent monoamine transporter inhibitor. 13-Hydroxyisobakuchiol is more selective for the dopamine transporter (DAT) (IC50=0.58 μM) and norepinephrine transporter (NET) (IC50=0.69 μM) than for the serotonin transporter (SERT) (IC50=312.02 μM). 13-Hydroxyisobakuchiol has the potential for the research of disorders such as Parkinson's disease, depression, and cocaine addiction[1].
Tafluprost acid (AFP-172), an active metabolic form of Tafluprost, is a selective prostanoid FP receptor agonist. Tafluprost acid shows a high affinity for human prostanoid FP receptor with Ki and EC50 values of 0.4 nM and 0.53 nM, respectively. Tafluprost acid has 126 times weaker binding affinity for prostanoid EP3 receptor (IC50=67 nM) than for the prostanoid FP receptor. Tafluprost acid can be used in the research of glaucoma[1][2][3].
HFI-419 is an insulin-regulated aminopeptidase (IRAP) inhibitor. HFI-419 has inhibitory potency for IRAP with Ki value of 0.48 μM. HFI-419 can be used for the research of cognitive and memory impairments such as Alzheimer's disease, brain trauma, and stroke[1].
LZWL02003 is an anti-neuroinflammatory agent. LZWL02003 has protective effect on MPP+-induced neuronal damage, and reduces the expression of ROS. LZWL02003 improves cognition, memory, learning, and athletic ability in a Rotenone (HY-B1756)-induced PD rat model. LZWL02003 can be used for research of neurodegenerative disease[1].
sEH/AChE-IN-4 (compound (+)-15) is a potent and BBB-penetrated dual inhibitor of sEH (soluble epoxide hydrolase) and AChE (acetylcholinesterase), with IC50 values of 3.1 nM (hsEH), 1660 nM (hAChE), 179 nM (hBChE, human butyrylcholinesterase), 14.5 nM (msEH), and 102 nM (mAChE), respectively[1].
Shanzhiside methy lester is isolated from L. rotata. Shanzhiside methyl ester is a small molecule glucagon-like peptide-1 (GLP-1) receptor agonist and has the ability to induce anti-allodynic tolerance[1].
Darifenacin(UK88525) is a selective M3 muscarinic receptor antagonist with pKi of 8.9.IC50 value: 8.9 (pKi) [1]Target: M3 receptorin vitro: Darifenacin exerts non-parallel rightward displacement of the agonist curve and also significant depression of the maximum response (+)-cis-Dioxolane produced concentration-dependent contraction of the isolated bladder of rat [1]. Darifenacin produces a concentration dependent increase in R123 (P-gp probe) accumulation in MDCK cells. Darifenacin stimulates ATPase activity in P-gp membrane in a clear concentration dependent response manner with an estimated ED50 value of 1.6 μM. Darifenacin (100 nM) shows a significantly greater permeability for darifenacin in the basolateral to apical direction resulting in an efflux ratio in BBMEC monolayers of approximately 2.6 [2].in vivo: Darifenacin produces dose-dependent inhibition of amplitude of volume-induced bladder contractions(VIBCAMP), producing 35% inhibition at dose of 283.3 nmol/kg and maximal inhibition of approximately 50–55% [1]. Darifenacin (0.1 mg/kg i.v.) reduces bladder afferent activity in both Aδ and C fibers in female Sprague-Dawley rats, the decrease in afferent spikes in C fibers may be more pronounced than that in Aδ fibers [3].
DPNI-GABA is a nitroindoline cage compound that inhibits GABA(A) receptors and reduces GABA-evoked peak responses with an IC50 value of 0.5 mM[1].
D-threo-PPMP hydrochloride is a potent inhibitor of glucosylceramide (GlcCer) synthase. D-threo-PPMP hydrochloride can block karyokinesis and reduce cyst production[1][2].
NUCC-0000323 is a potent superoxide dismutase 1 (SOD1) inhibitor. NUCC-0000323 inhibits SOD1 expression. NUCC-0000323 can be used in research of amyotrophic lateral sclerosis (ALS)[1].
Isobavachin, an antioxidant isaolated from Psoralea morisiana with a prenyl group at position 8 of ring A, promotes neuronal differentiation and the potential role of its protein prenylation[1][2].
JDTic (dihydrochloride) is a potent antagonist of kappa-opioid receptors (KOR), blocking the κ-agonist U50, 488-induced antinociception.
Secretin (swine), a neuroendocrine hormone, is the first hormone to be identifie and is secreted by S cells that are localized primarily in the mucosa of the duodenum. Secretin also is a 27-amino acid peptide, which acts on secretin receptors. Secretin is expressed by cells in all mature enteroendocrine cell subsets and can be prompted by fatty acids. Secretin stimulates the secretion of pancreatic water and bicarbonate. Secretin exerts various effects in organs, can be used for the research of digestive system, central nervous system and energy metabolism[1][2].
Oxonol VI acts as an optical indicator for membrane potentials in lipid vesicles. Oxonol VI is suitable for detecting changes of membrane potential associated with the activity of the (Na+ + K+)-ATPase in reconstituted vesicles[1].
GSK894490A is a non-peptide ghrelin receptor agonist[1].
L-Glutathione reduced (GSH; γ-L-Glutamyl-L-cysteinyl-glycine) is an endogenous antioxidant and is capable of scavenging oxygen-derived free radicals.
Tigolaner is a GABA antagonist that regulates chloride channel. Tigolaner is an antiparasitic agent[1].
Androst-4-ene-3,17-diol, dipropanoate, (3β,17β)- is the dipropanoate of 4-Androstenediol, a metabolite of testosterone.
RU-505 is an effective β-amyloid (Aβ)-fibrinogen interaction inhibitor with IC50s of 5.00 and 2.72 μM in fluorescence polarization (FP) and AlphaLISA assays, respectively. RU-505 is highly permeable to the BBB. RU-505 reduces cerebral amyloid angiopathy (CAA). RU-505 can be used for the research of Alzheimer’s disease (AD)[1].
(-)-Sparteine (sulfate) is a quinolizidine alkaloid that can be extracted from Lupinus. (-)-Sparteine (sulfate) inhibits the release of acetylcholine and has anticonvulsant effects[1].
PF-CBP1 hydrochloride is a highly selective inhibitor of the CREB binding protein bromodomain.Target: CREBin vitro: PF-CBP1 modulates key inflammatory genes in primary macrophages. PF-CBP1 downregulates RGS4 in neurons, a target linked to Parkinson's disease. PF-CBP1 is 139-fold selective over BRD4 in the biochemical assays and >105-fold selective by ITC. F-CBP1 is also a potent inhibitor of EP300 (a result observed for other CBP inhibitors. [1]
(S)-Salsolidine is a weak monoamine oxidase (MAO) inhibitor (Ki=63 μM). The R enantiomer of Salsolidine is more potent than the S form (Ki=26 μM)[1].
CTOP is a peptide that acts as a μ-opioid receptor antagonist.
CIQ is a subunit-selective potentiator of NMDA receptors containing the NR2C or NR2D subunit. IC50 value: 2.7 μM (EC50, for NR2C) and 2.8 μM (EC50, NR2D)Target: NMDA receptorCIQ increases channel opening frequency of recombinant NR2Cor NR2D containing receptors by two-fold (EC50 = 2.7 and 2.8 μM, respectively), with no effect on NR2A or NR2B subtypes. CIQ does not alter the EC50 values for glutamate or glycine on channel opening. CIQ increases channel opening efficiency and enhances NMDA receptor responses. CIQ reduces associated behaviours in schizophrenia models and potentially enhances dopamine release in Parkinson's disease models.
MK-0974 is a calcitonin gene-related peptide (CGRP) receptor antagonist with Kis of 0.77 nM and 1.2 nM for human and rhesus CGRP receptors, respectively.
AM404, an inhibitor of endocannabinoid reuptake, blocks anandamide transport with IC50 values in the low micromolar range[1]. AM404 is able to relax rat isolated hepatic arteries contracted with Phenylephrine, with a pEC50 value of 7.4 (corresponding to an EC50 of 0.04 µM). Neuroprotective Effect[2].
ML226 is a potent α/β hydrolase domain-containing protein 11 (ABHD11) inhibitor in vitro and in situ with IC50s of 15 and 0.68 nM, respectively[1].
BMS-466442 is a potent and selective inhibitor of asc-1 (alanine serine cysteine transporter-1), with an IC50 of 11 nM. BMS-466442 inhibits [3H] D-serine uptake into rat brain synaptosomes, with an IC50 of 400 nM. BMS-466442 can be used for schizophrenia research[1][2].