Tandospirone(SM-3997) is a potent and selective 5-HT1A receptor partial agonist (Ki = 27 nM) that displays selectivity over SR-2, SR-1C, α1, α2, D1 and D2 receptors (Ki values ranging from 1300-41000 nM). IC50 Value: 27±5 nM(Ki) [1]Target: 5-HT1Ain vitro: Tandospirone is most potent at the 5-HT1A receptor, displaying a Ki value of 27 +/- 5 nM. The agent is approximately two to three orders of magnitude less potent at 5-HT2, 5-HT1C, alpha 1-adrenergic, alpha 2-adrenergic, and dopamine D1 and D2 receptors (Ki values ranging from 1300 to 41000 nM). Tandospirone is essentially inactive at 5-HT1B receptors; 5-HT uptake sites; beta-adrenergic, muscarinic cholinergic, and benzodiazepine receptors [1]. 3H-SM-3997 bound rapidly, reversibly and in a saturable manner with high affinity to rat brain hippocampal membranes (Kd = 9.4 nM, Bmax = 213 fmol/mg protein) [2]. in vivo: Chronic treatment with tandospirone, at 0.2 and 1.0mg/kg/day, but not 2.0mg/kg/day, attenuated footshock stress-induced eLAC elevation in the mPFC [3]. Rats were acutely administered tandospirone (0, 0.1, and 1 mg/kg, i.p.). Tandospirone decreased the number of premature responses, an index of impulsive action, in a dose-dependent manner [4].Toxicity: It is not believed to be addictive but it is known to produce mild withdrawal effects (e.g. anorexia) after abrupt discontinuation.
MEN11467 is a selective and orally- effective peptidomimetic tachykinin NK1 receptor antagonist.
Asenapine maleate is a 5-HT (1A, 1B, 2A, 2B, 2C, 5A, 6, 7) and D2 antagonist with Ki values of 0.03-4.0 nM, 1.3nM, respectively, and an antipsychotic.
Pilocarpine-d3 (hydrochloride) is deuterium labeled Pilocarpine (Hydrochloride). Pilocarpine Hydrochloride is a potent M3-type muscarinic acetylcholine receptor (M3 muscarinic receptor) agonist.
Mephenesin is an NMDA receptor antagonist, is a centrally acting muscle relaxant.Target: NMDA receptor
Fengabine is a GABAergic antidepressant drug. Fengabine can be used for the research of depression[1].
Dothiepin (Dosulepin; Dothep) is an antidepressant agent with sedative/anxiolytic activity. Dothiepin is an inhibitor preferring of noradrenaline uptake than serotonin uptake. Dothiepin facilitates noradrenergic neurotransmission via inhibiting the neuronal uptake. Dothiepin is also an antagonist of histamine H1-receptor without cardiotoxicity. Dothiepin exhibits significant analgesic activity in psychogenic facial pain，idiopathic fibromyalgia syndrome or rheumatoid arthritis[1].
Compound E is a γ-secretase inhibitor. Compound E bloks β-amyloid(40), β-amyloid(42), and Notch γ-secretase cleavage with IC50s of 0.24, 0.37, 0.32 nM, respectively.
Garcinol, a polyisoprenylated benzophenone harvested from Garcinia indica, exerts anti-cholinesterase properties towards acetyl cholinesterase (AChE) and butyrylcholinesterase (BChE) with IC50s of 0.66 µM and 7.39 µM, respectively[1]. Garcinol also inhibits histone acetyltransferases (HATs, IC50= 7 μM) and p300/CPB-associated factor (PCAF, IC50 = 5 μM). Garcinol has anti-inflammatory and anti-cancer activity[2].
Dronedarone(Multaq) is a newer therapeutic agent with a structural resemblance to amiodarone and a better side effect profile; it is a multichannel blocker with antiadrenergic properties and has been evaluated in both rate and rhythm control strategies in the management of AF.IC50 value:Target: multichannel blocker
α-Conotoxin RgIA (α-RgIA) is a specific α9α10 nAChR antagonist. α-Conotoxin RgIA can be obtained from Conus regius venom. α-Conotoxin RgIA can be used in the study of neurological diseases[1].
L-701324 is an orally active and long acting anticonvulsant with high affinity and selectivity for the glycine site on the NMDA receptor.Target: NMDA ReceptorL-701324 is a potent, active anticonvulsant with a reduced propensity to activate mesolimbic dopaminergic systems in rodents. L-701324 exhibits a beneficial action in the animal model of parkinsonian rigidity, but not that of parkinsonian akinesia. L-701324 (2.5-40 mg/kg, i.p.) dose-dependently decreased the muscle tone enhanced by haloperidol (1-5 mg/kg, i.p.).
Ramelteon is a highly potent and selective melatonin receptor agonist with Ki values of 14 and 112 pM for human melatonin1 and melatonin2.
NAS-181 is a potent and selective rat 5-hydroxytryptamine1B (r5-HT1B) antagonist with an Ki value of 47 nM. NAS-181 increases the 5-HTP accumulation in rat brain regions[1].
Glycine-1-13C is the 13C-labeled Glycine. Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate, facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors.
(-)-Isocorypalmine, an alkaloid isolated from Corydalis chaerophylla, possesses antifungal activity[1].
Thiethylperazine dimaleate is a phenothiazine derivate, and an orally active dopamine D2-receptor and histamine H1-receptor antagonist. Thiethylperazine dimaleate is also a slective ABCC1activator that reduces amyloid-β (Aβ) load in mice. Thiethylperazine dimaleate has anti-emetic, antipsychotic and antimicrobial effects[1][2][3].
Radequinil (AC-3933) is a benzodiazepine receptor (BzR) partial inverse agonist. AC-3933 binds to GABA(-) and GABA(+) ligand with Kis of 5.15 and 6.11 nM, respectively[1].
Wf-516 is an inhibitor of 5-HT reuptake, and an antagonist of 5-HT1A and 5-HT2A receptors, with Ki of 5 nM and 40 nM for 5-HT1A receptor and 5-HT2A receptor in humans, respectively, and has potent antidepressant activity.
CNQX (FG9065) is a potent AMPA/kainate receptor antagonist.
LP44 (hydrochloride) is a selective 5-HT7 agonist with Ki of 0.22 nM. LP44 (hydrochloride) induces hypothermic effect in a dose-dependent manner by intracerebroventricular injection. LP44 (hydrochloride) not causes considerable hypothermic response by intraperitoneal administration[1].
SB 222200 is a selective, reversible and competitive antagonist of human NK-3 receptor(Ki=4.4 nM) that effectively crosses the blood-brain barrier.IC50 Value: 4.4 nM ( Ki for hNK-3 receptor); 250 nM( Ki for hNK-2 receptor) [1]Target: NK3 Receptorin vitro: SB-222200 inhibited (125)I-[MePhe(7)]neurokinin B (NKB) binding to Chinese hamster ovary (CHO) cell membranes stably expressing the hNK-3 receptor (CHO-hNK-3R) with a K(i) = 4.4 nM and antagonized NKB-induced Ca(2+) mobilization in HEK 293 cells stably expressing the hNK-3 receptor (HEK 293-hNK-3R) with an IC(50) = 18.4 nM. SB-222200 was selective for hNK-3 receptors compared with hNK-1 (K(i) > 100,000 nM) and hNK-2 receptors (K(i) = 250 nM). n HEK 293 cells transiently expressing murine NK-3 receptors (HEK 293-mNK-3R), SB-222200 inhibited binding of (125)I-[MePhe(7)]NKB (K(i) = 174 nM) and antagonized NKB (1 nM)-induced calcium mobilization (IC(50) = 265 nM) [1].in vivo: In mice oral administration of SB-222200 produced dose-dependent inhibition of behavioral responses induced by i.p. or intracerebral ventricular administration of the NK-3 receptor-selective agonist, senktide, with ED(50) values of approximately 5 mg/kg. SB-222200effectively crossed the blood-brain barrier in the mouse and rat. The inhibitory effect of SB-222200 against senktide-induced behavioral responses in the mouse correlated significantly with brain, but not plasma, concentrations of the compound. Pharmacokinetic evaluation of SB-222200 in rat after oral administration (8 mg/kg) indicated sustained plasma concentrations (C(max) = about 400 ng/ml) and bioavailability of 46% [1].
(+)-Sparteine is a natural alkaloid acting as a ganglionic blocking agent. (+)-Sparteine competitively blocks nicotinic ACh receptor in the neurons.
ADCI, a noncompetitive NMDA antagonist, is a broad-spectrum anticonvulsant agent[1].
Hydroxybupropion is the major active metabolite of Bupropion. Hydroxybupropion is metabolized by CYP2B6.Bupropion is an atypical antidepressant and smoking-cessation agent. Hydroxybupropion inhibits norepinephrine uptake with an IC50 value of 1.7 μM. Hydroxybupropion is also a nACh receptor antagonis tis more potent than Bupropion[1] .
RBI-257 maleate is a potent dopamine D4 receptor antagonist with a Ki value of 0.3 nM[1].
Agomelatine D6 (S-20098 D6) is deuterium labeled Agomelatine. Agomelatine is a specific agonist of MT1 and MT2 receptors[1] .
PCPA methyl ester hydrochloride (4-Chloro-DL-phenylalanine methyl ester hydrochloride), a reversible tryptophan hydroxylase inhibitor, is a serotonin (5-HT) synthesis inhibitor. PCPA methyl ester hydrochloride crosses the blood brain barrier and reduces 5-HT central availability[1][2].
Levosulpiride-d3 (RV-12309-d3) is the deuterium labeled Levosulpiride. Levosulpiride (RV-12309) is the (S)-enantiomer of sulpiride, which is a D2 receptor a antagonist, an atypical antipsychotic drug of the benzamide class[1][2].
Temanogrel is a highly selective 5-HT2A receptor antagonist with a Ki of 4.9 nM.