Chlorpromazine Hydrochloride is an antagonist of the dopamine D2, 5HT2A, potassium channel andsodium channel. Chlorpromazine binds with D2 and 5HT2A with Kis of 363 nM and 8.3 nM, respectively.
UNC9994 hydrochloride is a functionally selective, β-arrestin–biased dopamine D2 receptor (D2R) agonist that selectively activates β-arrestin recruitment and signaling. UNC9994 hydrochloride shows a binding affinity with a Ki of 79 nM for D2R. UNC9994 hydrochloride is also an antagonist of Gi-regulated cAMP production and partial agonist for D2R/β-arrestin-2 interactions. UNC9994 hydrochloride shows antipsychotic-like activity[1].
(+)-Norfenfluramine a major hepatic metabolite of (+)-fenfluramine, is a selective 5-HT2B receptor agonist (Ki: 11.2 nM). (+)-Norfenfluramine potently stimulates the hydrolysis of inositol phosphates and increases intracellular Ca2+. (+)-Norfenfluramine can be used for the research of primary pulmonary hypertension and valvular heart disease[1].
Perphenazine is a typical antipsychotic drug, inhibits 5-HT2Areceptor, Alpha-1A adrenergic receptor, Dopamine receptor D2/D3, D2L receptor, and Histamine H1 receptor, with Ki values of 5.6, 10, 0.765/0.13, 3.4, and 8 nM, respectively.
SB-216641A (SB-216641 hydrochloride) is a selective antagonist of 5-HT1B/D receptor. SB-216641A shows high affinity and selectivity for h5-HT1B receptors over h5-HT1D receptors. SB-216641A blocks SKF-99101H from functioning in vivo[1][2].
PRX-08066 is a selective 5-hydroxytryptamine receptor 2B (5-HT2BR, IC50= 3.4 nM) antagonist that causes selective vasodilation of pulmonary arteries. IC50 value: 3.4 nM [1]Target: HT2B receptorin vitro: PRX-08066 inhibits 5-HT-induced mitogen-activated protein kinase activation with IC50 of 12 nM and markedly reduces thymidine incorporation with IC50 of 3 nM in Chinese hamster ovary cells expressing the human 5-HT2BR, which suggests that PRX-08066 can potentially inhibit the pathologic 5-HT-induced vascular muscularization associated with PAH [1]. PRX-08066 inhibits cell proliferation with IC50 of 0.46 nM and with a maximum inhibition of 20% and 5-HT secretion with IC50 of 6.9 nM with a maximum inhibition of 30% in the 5-HT(2B) expressing SI-NET cell line, KRJ-I. PRX-08066 inhibits isoproterenol-stimulated 5-HT release with IC50 of 1.25 nM and a maximum inhibition of 60% in NCI-H720 cells. PRX-08066 (0.5 nM) significantly inhibits ERK phosphorylation in KRJ-I cells. PRX-08066 inhibits TGFβ1, CTGF and FGF2 transcription and secretion in KRJ-I cells. PRX-08066 decreases level of transcripts for Ki67 (84%) as well as Ki67 protein (36.8%) associated with an increase in caspase 3 transcript levels in KRJ-I cells. PRX-08066 decreases level of transcripts of TGFβ1, FGF2 and TPH1 in KRJ-I cells. PRX-08066 significantly increases the number of dead cells (34%) compared with untreated controls in KRJ-I cells. PRX-08066 causes a significant increase in dead/caspase 3 positive cells (76%) and caspase 3 activity (52%) in HEK293 cells [2].in vivo: PRX-08066 (100 mg/kg) treated groups demonstrates less right ventricular hypertrophy and septal flattening than the monocrotaline control group in rats. PRX-08066 significantly reduces peak pulmonary artery pressure at 50 mg/kg and 100 mg/kg compared with monocrotaline control rats. PRX-08066 also significantly reduces right ventricle (RV)/body weight and RV/left ventricle + septum, compared with MCT-treated rats. PRX-08066 significantly attenuates the elevation in pulmonary artery pressure and RV hypertrophy and maintains cardiac function. PRX-08066 significantly reduces the hypoxia-dependent increase in right ventricular systolic pressure in both rats and mice without affecting the systemic mean arterial pressure in the animals [1]. PRX-08066 (100 mg/kg) significantly inhibits both right ventricular systolic pressure and right ventricular/left ventricular +septum weight elevations in rats. PRX-08066 (30 mg/kg) inhibits right ventricular systolic pressure and monocrotaline-induced ERK phosphorylation in whole lung homogenates in rats [3].
Cyproheptadine is a potent and orally active 5-HT2A receptor antagonist, with antidepressant and antiserotonergic effects. Cyproheptadine has antiplatelet and thromboprotective activities. Cyproheptadine can be used for the research of thromboembolic disorders[1][2].
Lumateperone Tosylate is a 5-HT2A receptor antagonist (Ki = 0.54 nM), a partial agonist of presynaptic D2 receptors and an antagonist of postsynaptic D2 receptors (Ki = 32 nM), and a SERT blocker (Ki = 61 nM). IC50 value: 0.54 nM (Ki, for 5-HT2A receptor )Target: 5-HT2A receptorLumateperone also possesses affinity for the D1 receptor (Ki = 52 nM) and weak affinity for the α1A- and α1B-adrenergic receptors (Ki = 173 nM at α1) and D4 receptor. Lumateperone does not significantly bind to the 5-HT2B, 5-HT2C, H1, or mACh receptors. Lumateperone shows a 60-fold difference in its affinities for the 5-HT2A and D2 receptors, which is far greater than that of most or all existing atypical antipsychotics, such as risperidone (12-fold), olanzapine (12.4-fold), and aripiprazole (0.18-fold).[1]in vivo: It is thought that this property may improve the effectiveness and reduce the side effect profile of Lumateperone relative to currently-available antipsychotics, a hypothesis which is supported by the observation of minimal catalepsy in mice treated with Lumateperone.[1]
SB 242084 hydrochloride is a 5-HT2C receptor antagonist(pKi=9.0) that displays 158- and 100-fold selectivity over 5-HT2A and 5-HT2B receptors respectively.IC50 value: 9.0(pKi) [1]Target: 5-HT2C antagonistin vitro: SB 242084 had over 100-fold selectivity over a range of other 5-HT, dopamine and adrenergic receptors. In studies of 5-HT-stimulated phosphatidylinositol hydrolysis using SH-SY5Y cells stably expressing the cloned human 5-HT2C receptor, SB 242084 acted as an antagonist with a pKb of 9.3, which closely resembled its corresponding receptor binding affinity [1].in vivo: SB 242084 potently inhibited m-chlorophenylpiperazine (mCPP, 7 mgkg i.p. 20 min pre-test)-induced hypolocomotion in rats, a model of in vivo central 5-HT2C receptor function, with an ID50 of 0.11 mg/kg i.p., and 2.0 mg/kg p.o. SB 242084 (0.1-1 mg/kg i.p.) exhibited an anxiolytic-like profile in the rat social interaction test, increasing time spent in social interaction, but having no effect on locomotion. SB 242084 (0.1-1 mg/kg i.p.) also markedly increased punished responding in a rat Geller-Seifter conflict test of anxiety, but had no consistent effect on unpunished responding [1].
Palonosetron-d3 hydrochloride is the deuterium labeled Palonosetron hydrochloride. Palonosetron hydrochloride is a 5-HT3 antagonist used in the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV)[1][2].
LY334370 is a selective 5-HT1F receptor agonist with a Ki of 1.6 nM.
Pirenperone (R 47465) is a 5-HT2 serotonin receptor antagonist. Pirenperone exhibits modest anxiolytic activity[1][2].
UCSF686 is a probe with which to study the function of the 5-HT5AR. UCSF686 loses affinity at 5-HT5AR (>10 000 nM) but not at 5-HT1AR, 5-HT2BR, and 5-HT7R. UCSF686 controls for off-target effects[1].
8-Hydroxy-DPAT hydrobromide (8-OH-DPAT hydrobromide) is a potent and selective 5-HT1A agonist with a pIC50 of 8.19. 8-Hydroxy-DPAT hydrobromide has selectivity of almost 1000 fold for a subtype of the 5-HT1 binding site[1].
Nefazodone hydrochloride is an antidepressant drug.
Rupatadine (UR-12592) is a potent dual PAF/H1 antagonist with Ki of 0.55/0.1 uM(rabbit platelet membranes/guinea pig cerebellum membranes).IC50 value:Target: PAF/H1 antagonistin vitro: Rupatadine competitively inhibited histamine-induced guinea pig ileum contraction (pA2 = 9.29 +/- 0.06) without affecting contraction induced by ACh, serotonin or leukotriene D4 (LTD4). It also competitively inhibited PAF-induced platelet aggregation in washed rabbit platelets (WRP) (pA2 = 6.68 +/- 0.08) and in human platelet-rich plasma (HPRP) (IC50 = 0.68 microM), while not affecting ADP- or arachidonic acid-induced platelet aggregation [1]. The IC50 for rupatadine in A23187, concanavalin A and anti-IgE induced histamine release was 0.7+/-0.4 microM, 3.2+/-0.7 microM and 1.5+/-0.4 microM, respectively whereas for loratadine the IC50 was 2.1+/-0.9 microM, 4.0+/-1.3 M and 1.7+/-0.5 microM. SR-27417A exhibited no inhibitory effect [2].in vivo: Rupatadine blocked histamine- and PAF-induced effects in vivo, such as hypotension in rats (ID50 = 1.4 and 0.44 mg/kg i.v., respectively) and bronchoconstriction in guinea pigs (ID50 = 113 and 9.6 micrograms/kg i.v.). Moreover, it potently inhibited PAF-induced mortality in mice (ID50 = 0.31 and 3.0 mg/kg i.v. and p.o., respectively) and endotoxin-induced mortality in mice and rats (ID50 = 1.6 and 0.66 mg/kg i.v.) [1]. rupatadine treatment improved the declined lung function and significantly decreased animal death. Moreover, rupatadine was able not only to attenuate silica-induced silicosis but also to produce a superior therapeutic efficacy compared to pirfenidone, histamine H1 antagonist loratadine, or PAF antagonist CV-3988 [3].
Zicronapine is an antipsychotic medication with a strong pro-cognitive effect in animal models and the potential to treat a number of neurological and psychiatric diseases. Zicronapine has potent antagonistic effects at dopamine D1/D2, and serotonin 5-HT2A receptors.
Naratriptan D3 Hydrochloride is the deuterium labeled Naratriptan, which is a selective 5-HT1 receptor subtype agonist.
Flibanserin D4 is a deuterium labeled Flibanserin (BIMT-17). Flibanserin is a full agonist of the serotonin 5-HT1A receptor (Ki=1 nM) and an antagonist of 5-HT2A (49 nM)[1].
SB 221284 is a selective 5-HT2C/2B receptor antagonist with pKi values are 6.4, 7.9 and 8.6 for 5-HT2A, 5-HT2B and 5-HT2C receptors, respectively. SB 221284 can be used for the research of neurological disease[1].
5-HT2A receptor agonist-1 is a 5-HT2A receptor agonist with the EC50 of 5.54 nM. 5-HT2A receptor agonist-1 can be used for the research of mood disorders[1].
A potent and selective 5-HT2C receptor agonist with EC50 of 190 nM, with excellent selectivity for 5-HT2C over 5-HT2A; has minimal activation at either the 5-HT(2A) or 5-HT(2B) receptors, demonstrates robust efficacy in preclinical canine model of stress urinary incontinence (SUI) and attractive pharmacokinetic and safety properties.
Olanzapine(LY170053) is a high affinity for 5-HT2 serotonin and D2 dopamine receptor antagonist.IC50 Value:Target: 5-HT ReceptorOlanzapine is a thienobenzodiazepine that blocks especially the serontonin (5-hydroxytryptamine [5-HT]) 5-HT2A and the dopamine D2 receptors (Ki values are 4 and 11 nM respectively) as well as muscarinic (M1), histamine (H1), 5-HT2C, 5-HT3 to 5-HT6, adrenergic (α(l)), and D4 receptors. Atypical antipsychotic for the treatment of schizophrenia. Olanzapine displays anticholinergic properties.
PRX-08066 is a selective 5-hydroxytryptamine receptor 2B (5-HT2BR, IC50= 3.4 nM) antagonist that causes selective vasodilation of pulmonary arteries.
LY-272015 hydrochloride is an orally active, specific 5-HT2B receptor antagonist. LY-272015 hydrochloride completely inhibits the phosphorylation of ERK2 induced by 5-HT or BW723C86. LY-272015 hydrochloride is antihypertensive in Deoxycorticosterone Acetate (DOCA)-salt-hypertensive rats[1][2].
Vabicaserin hydrochloride is a 5-hydroxytryptamine 2C (5-HT2C) receptor-selective agonist with an EC50 of 8 nM.
(Z)-Thiothixene is an antagonist of serotonergic receptor extracted from patent US 20150141345 A1.
Syk Inhibitor II dihydrochloride dihydrate is a potent, high selective and ATP-competitive Syk inhibitor with an IC50 of 41 nM. Syk Inhibitor II dihydrochloride dihydrate inhibits 5-HT release from RBL-cells with an IC50 of 460 nM. Syk Inhibitor II dihydrochloride dihydrate shows less potent against other kinases and has anti-allergic effect[1].
LY393558 is a potent and orally active inhibitor of the 5-HT transporter and an antagonist of 5-HT1B and 5-HT1D receptors. LY393558 increase the extracellular levels of 5-HT in mice model frontal cortex. LY393558 can be used for researching depression[1].