Malathion is an organophosphate parasympathomimetic which binds irreversibly to cholinesterase, is an insecticide of relatively low human toxicity.
RPR104632 is a specific antagonist of NMDA receptor, with potent neuroprotective properties.
XE 991 dihydrochloride, a Kv7 (KCNQ) channels blocker, potently inhibits Kv7.1 (KCNQ1), Kv7.2 (KCNQ2), Kv7.2 + Kv7.3 (KCNQ3) channel, and M-current with IC50s of 0.75 μM, 0.71 μM, 0.6 μM, and 0.98 μM, respectively[1].
Cockroach Myoactive Peptide I (Pea-CAH-I) is a cockroach neuropeptide, a member of the adipokinetic hormone/red pigment-concentrating hormone family (AKH/RPCH family)[1].
Loxapine Succinate is a D2DR and D4DR inhibitor, serotonergic receptor antagonist and also a dibenzoxazepine anti-psychotic agent.IC50 value: Target: D2DR/D4DR; 5-HT receptorin vitro: In the presence of Loxapine, [3H]ketanserin binds to 5-HT2 receptor in Frontal cortex of brain in human and bovine with ki value of 6.2 nM and 6.6 nM, respectively. Loxapine has the rank order of potency for the various receptors appears to be as follows:5-HT2≥D4>>>D1>D2 in comparing competition experiments involving the human membranes [1]. Loxapine 0.2 μM, 2 μM and 20 μM reduces IL-1beta secretion by LPS-activated mixed glia cultures after 1 and 3 days of exposure. Loxapine in concentrations of 0.2 μM, 2 μM and 20 μM reduces IL-2 secretion in mixed glia cultures after 1 and 3 days of exposure, and additionally Loxapine decreases IL-1beta and IL-2 secretion in LPS-induced microglia cultures in concentrations of 2 μM, 10 μM and 20 μM [2].in vivo: Loxapine (5 mg/kg) induces a very significant reduction (more than 50%) of serotonin (S2) receptor density after 4 weeks or 10 weeks of daily injection in the rat. Loxapine (5 mg/kg) does not change dopamine receptor density but greatly reduces serotonin receptor density by 47% in the brain of rats [3].
cis-α-(Carboxycyclopropyl)glycine (L-CCG III) is a potent, competitive glutamate uptake inhibitor. cis-α-(Carboxycyclopropyl)glycine is a substrate of glutamate transporters (GluT) (EC50: 13 μM, 2 μM for EAAT 1 and EAAT 2, respectively). cis-α-(Carboxycyclopropyl)glycine inhibits a Na+-dependent high-affinity L-glutamate uptake in glial plasmalemmal vesicles (GPV) and synaptosomes[1][2].
NS-102 is a selective kainate (GluK2) receptors antagonist. NS-102 is a potent GluR6/7 receptor antagonist[1][2][3].
5-{8-[(3,4'- difluoro [1,1'- biphenyl]-4-yl) methoxy] - 2-methylimidazo [1,2-a] pyridin-3-yl}-n-methylpyridin-2-formamide (1o) showed high potency in vitro and brain exposure, inducing brain a β 42 levels were significantly reduced and showed undetectable inhibition of cytochrome P450 enzymes. In addition, compound 1o showed excellent anti cognitive deficit effect in AD model mice.
(-)-(S)-Equol is a high affinity ligand for estrogen receptor β with a Ki of 0.73 nM.
(+)-Sotalol ((S)-Sotalol) is the S-isomer of Sotalol (HY-103196). Sotalol is an orally active, non-selective β-adrenergic receptor blocker. (+)-Sotalol is an antiarrhythmic agent. (+)-Sotalol can prolong action potential duration in isolated cardiac muscle[1][2][3].
L-701252 is a potent antagonist of glycine site NMDA receptor with an IC50 of 420 nM. L-701252 provides a small degree of neuroprotection in global cerebral ischaemia[1].
CGP52411 (DAPH) is a high selective, potent, orally active and ATP-competitive EGFR inhibitor with an IC50 of 0.3 μM. CGP52411 blocks the toxic influx of Ca2+ ions into neuronal cells, and dramatic inhibits and reverses the formation of β-amyloid (Aβ42) fibril aggregates associated with Alzheimer's disease[1][2].
Fosphenytoin sodium is a phenytoin prodrug with similar anticonvulsant properties.
Glp-Trp-OEt, a pyroglutamyl-tryptophan derivative, is a dipeptide Et ester[1].
Fluphenazine enanthate is the first long-acting injectable (LAI) antipsychotic for the treatment of schizophrenia[1][2].
Methylene blue trihydrate (C.I. Basic Blue 9 trihydrate) is a guanylyl cyclase (sGC), monoamine oxidase A (MAO-A) and NO synthase (NOS) inhibitor. Methylene blue trihydrate is a vasopressor and is often used as a dye in several medical procedures. Methylene blue trihydrate has antinociception, antimalarial, antidepressant and anxiolytic activity effects. Methylene Blue trihydrate has the potential for methemoglobinemias, neurodegenerative disorders and ifosfamide-induced encephalopathytreatment[1][2][3].
Pagoclone is an active (+)-enantiomer of the racemate RP 59037. Pagoclone is a partial GABA(A) receptor agonist used for the treatment of panic and anxiety disorders.
(±)-Vesamicol hydrochloride ((±)-AH5183 hydrochloride) is a potent vesicular acetylcholine transport inhibitor with a Ki of 2 nM. (±)-Vesamicol hydrochloride also displays high affinity for σ1 and σ2 receptors with Kis of 26 nM and 34 nM, respectively[1][2].
Nebracetam hydrochloride, a nootropic M1-muscarinic agonist, induces a rise of intracellular Ca2+ concentration. Nebracetam hydrochloride exhibits an EC50 of 1.59 mM for elevating [Ca2+]i[1].
Exendin-3 is a biologically active peptides isolated from venoms of the Gila monster lizards, Heloderma horridurn .
Lasmiditan (COL-144; LY573144) is a high-affinity, highly selective 5-HT1F receptor agonist(Ki=2.1 nM), compared with Ki of 1043 nM and 1357 nM at the 5-HT(1B) and 5-HT(1D) receptors, respectively.IC50 value: 2.1 nM (Ki, 5-HT1F); >1000 nM (Ki, 5-HT1B/5-HT1D) [1]Target: 5-HT1F receptorin vitro: In vitro binding studies Lasmiditan showed a K(i) value of 2.21 nM at the 5-HT(1F) receptor, compared with K(i) values of 1043 nM and 1357 nM at the 5-HT(1B) and 5-HT(1D) receptors, respectively, a selectivity ratio greater than 470-fold. Lasmiditan showed higher selectivity for the 5-HT(1F) receptor relative to other 5-HT(1) receptor subtypes than the first generation 5-HT(1F) receptor agonist LY334370. Unlike the 5-HT(1B/1D) receptor agonist sumatriptan, lasmiditan did not contract rabbit saphenous vein rings, a surrogate assay for human coronary artery constriction, at concentrations up to 100 μM [1].in vivo: In two rodent models of migraine, oral administration of lasmiditan potently inhibited markers associated with electrical stimulation of the trigeminal ganglion (dural plasma protein extravasation, and induction of the immediate early gene c-Fos in the trigeminal nucleus caudalis) [1]. Two RCTs in the phase II development of lasmiditan was reviewed. In the intravenous placebo-controlled RCT, lasmiditan doses of 2.5-45 mg were used, and there was a linear association between headache relief (HR) rates and dose levels (P < 0.02). For lasmiditan 20 mg, HR was 64 % and for placebo it was 45 % (NS). In the oral placebo-controlled RCT, lasmiditan doses of 50, 100, 200 and 400 mg were used. For HR, all doses of lasmiditan were superior to placebo (P < 0.05). For lasmiditan 400 mg, HR was 64 % and it was 25 % for placebo. Adverse events (AEs) emerging from the treatment were reported by 22 % of the patients receiving placebo and by 65, 73, 87 and 87 % of patients receiving 50, 100, 200 and 400 mg, respectively [2].
Ivachtin (Caspase-3 Inhibitor VII; compound 7a) is a nonpeptide, noncompetitive and reversibl caspase-3 inhibitor with an IC50 of 23 nM. Ivachtin has modest selectivity for the remaining caspases[1].
GPR88-IN-1 is a GPR88 inhibitor, and can be used for research of central diseases[1].
(+)-Intermedine, a pyrrolizidine alkaloid (PA), exhibits significant cytotoxicity in neural progenitor cells (NPCs)[1].
HDAC6-IN-6 (compound 6a) is a potent and BBB-penetrated HDAC6 inhibitor, with an IC50 of 0.025 μM. HDAC6-IN-6 exhibits strong inhibitory activity against Aβ1-42 self-aggregation and AChE, with IC50 values of 3.0 and 0.72 μM. HDAC6-IN-6 can enhance neurite outgrowth without significant neurotoxicity[1].
Histamine is an organic nitrogenous compound involved in local immune responses as well as regulating physiological function in the gut and acting as a neurotransmitter.
Tat-NR2B9c is a 20-aa peptide, which acts as a postsynaptic density-95 (PSD-95) inhibitor, with an EC50 of 6.7 nM for PSD-95d2 (PSD-95 PDZ domain 2), and 670 nM for PSD-95d1; Tat-NR2B9c also reduces NMDA-induced p38 activation, and possesses neuroprotective efficacy.
BI-1408 is a potent γ secretase modulator with an IC50 of 0.04 μM for Aβ42[1].
BPN14770 is a selective phosphodiesterase 4D (PDE4D) allosteric inhibitor with IC50s of 7.8 nM and 7.4 nM for PDE4D7 and PDE4D3 (two different dimeric forms of PDE4D), respectively[1].
Fluoroclebopride binds reversibly to dopamine receptors. 18F labeled fluoroclebopride has been used as a probe for studying D2/D3 receptor availability via PET in various monkey models[1][2].