5-HT Receptors

8-OH-DPAT is a potent and selective 5-HT agonist, with a pIC50 of 8.19 for 5-HT1A and a Ki of 466 nM for 5-HT7; 8-OH-DPAT weakly binds to 5-HT1B (pIC50, 5.42), 5-HT (pIC50 <5).

AVN-492 is a very specific and highly-selective antagonist with picomolar affinity to 5-HT6R (Ki=91 pM).

Methiothepin mesylate is a potent and non-selective 5-HT2 receptor antagonist, with pKds of 7.10 (5-HT1A), 7.28 (5HT1B), 7.56 (5HT1C), 6.99 (5HT1D), 7.0 (5-HT5A), 7.8 (5-HT5B), 8.74 (5-HT6), and 8.99 (5-HT7), and pKis of 8.50 (5HT2A), 8.68 (5HT2B), and 8.35 (5HT2C).

Phenylbiguanide is a 5-HT3 receptor selective agonist with an EC50 of 3.0±0.1 μM.

RU 24969 is a selective agonist at the 5-HT1A and 5-HT1B receptors.

Eltoprazine(DU28853) is a serenic or antiaggressive agent which as an agonist at the 5-HT1A and 5-HT1B receptors and as an antagonist at the 5-HT2C receptor.

RS 127445 is a novel high affinity, selective 5-HT2B receptor antagonist with pKi of 9.5.

Vortioxetine is a inhibitor of 5-HT1A, 5-HT1B, 5-HT3A, 5-HT7 receptor and SERT, with Ki values of 15 nM, 33 nM, 3.7 nM, 19 nM and 1.6 nM, respectively.

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.

Nelotanserin is a potent 5-HT2A inverse agonist, a moderately potent 5-HT2C partial inverse agonist and a weak 5-HT2B inverse agonist, with IC50s of 1.7, 79, 791 nM in IP accumulation assays, respectively.

SB 242084 is a 5-HT2C receptor antagonist(pKi=9.0) that displays 158- and 100-fold selectivity over 5-HT2A and 5-HT2B receptors respectively.

SB-224289 hydrochloride is a selective 5-HT1B receptor antagonist, with anxiolytic effect.

Ritanserin (R 55667) is a highly potent, relatively selective, orally active, long acting antagonist of 5-HT2 receptor, with an IC50 of 0.9 nM, less active on Histamine H1, Dopamine D2, Adrenergic α1, Adrenergic α2 receptors.

Eplivanserin mixture is a selective serotonin reuptake inhibitor and a 5-HT2A receptor antagonist, extracted from patent WO 2005/002578 A1.

GR 125743 is a selective 5-HT1B/1D receptor antagonist, with pKis of 8.85 and 8.31 for wild-type h5-HT1B and wild-type h5-HT1D, respectively.

PF-04995274 is a partial agonist of the serotonin (5-HT) receptor subtypes 5-HT4A, 5-HT4B, 5-HT4D, and 5-HT4E (Kis = 0.36, 0.46, 0.15, and 0.32 nM, respectively, in a radioligand binding assay).1 It increases cAMP levels in HEK293 cells expressing 5-HT4A, 5-HT4B, 5-HT4D, and 5-HT4E receptors (EC50s = 0.47, 0.36, 0.37, and 0.26 nM, respectively, for the human recombinant receptors). PF-04995274 decreases scopolamine-induced increases in the distance traveled in the Morris water maze in rats when administered at a dose of 0.032 mg/kg.

AVN-101 is a very potent 5-HT7 receptor antagonist, with slightly lesser potency toward 5-HT6, 5-HT2A, and 5HT-2C receptors. It is a milti-target drug candidate for the treatment of CNS disorders.

SB203186 is potent 5-HT4 receptor antagonist.

MK 212 hydrochloride is a 5-HT receptor agonist; displays selectivity for 5-HT2C over 5-HT2A (IC50 values are 0.028 and 0.42 μM for human 5-HT2C and 5-HT2A receptors expressed in HEK293 cells respectively).