GW791343 3Hcl is a P2X7 allosteric modulator; exhibits species-specific activity and acts as a negative allosteric modulator of human P2X7 (pIC50 = 6.9 - 7.2). IC50 value: 7 (pIC50)Target: P2X7 in vitro: In cells expressing human P2X7 receptors, GW 791343 inhibits agonist-stimulated ethidium accumulation in both sucrose and NaCl buffer. In NaCl buffer, GW 791343 reduces the maximal response to both ATP and BzATP, but there is little effect on agonist potency except for a decrease in the presence of 300–1000 nM GW 791343. GW 791343 also reduces maximal responses to ATP and BzATP in sucrose buffer, although this effect is more marked when using ATP as agonist. In sucrose buffer, GW 791343 produces a slight decrease in ATP potency at 300 nM. GW 791343 decreases BzATP potency at concentrations of 300 nM to 10 μM. A more marked increase in agonist effect is observed when using ATP as agonist in NaCl buffer with GW791343 increasing the pEC50 and maximal response to ATP at concentrations of 10 and 30 μM. In sucrose buffer, GW791343 also increases responses when using ATP as agonist [1]. GW791343 inhibits responses at the human–rat chimeric receptor in both sucrose and NaCl buffer. GW791343 increases responses to BzATP at the F95L mutant receptor [2]. GW791343 is a non-competitive antagonist and negative allosteric modulator at the human P2X7 receptor; however, GW 791343 also acts as a positive allosteric modulator at the rat P2X7 receptor [3]. At the dog P2X7 receptor, GW 791343 is an antagonist with similar potency to that determined at the human receptor [4].
Lesogaberan (AZD-3355) napadisylate is a potent and selective GABAB receptor agonist with an EC50 of 8.6 nM for human recombinant GABAB receptors. Binding affinity (Kis) of 5.1 nM and 1.4 μM for rat brain GABAB and GABAA receptors, respectively[1].
Resolvin D2 is a metabolite of docosahexaenoic acid (DHA), with anti-inflammatory, anti-infective activities. Resolvin D2 is a potent regulator of leukocytes and controls microbial sepsis. Resolvin D2 is a remarkably potent inhibitor of TRPV1 (IC50 = 0.1 nM) and TRPA1 (IC50 = 2 nM) in primary sensory neurons[1][2][3].
CVN417 is an orally active α6 subunit-containing nAChR antagonist, modulating phasic dopaminergic neurotransmission in an impulse-dependent manner. CVN417 inhibits Ca(2+) effluents mediated by nAChR subunits with IC50s of 0.086 μM (α6), 2.56 μM (α3) and 0.657 μM (α4), respectively. CVN417 attenuates resting tremor in Rodent models, displays the potential to improve movement dysfunction, in conditions such as Parkinson's disease[1].
Farampator-d10 (CX-691-d10) is the deuterium labeled Farampator. Farampator (CX-691) is an AMPA receptor positive modulator.
Tariquidar methanesulfonate, hydrate is a potent and specific inhibitor of P-glycoprotein (P-gp) with a Kd of 5.1 nM.
GFB-8438 is a potent and subtype selective TRPC5 inhibitor, with IC50s of 0.18 and 0.29 μM of hTRPC5 and hTRPC4, respectively. GFB-8438 shows excellent selectivity against TRPC6, other TRP family members, NaV 1.5, as well as limited activity against the hERG channel. GFB-8438 protects mouse podocytes from injury induced by protamine sulfate model[1].
Orphenadrine-d3 (hydrochloride) is the deuterium labeled Orphenadrine hydrochloride[1]. Orphenadrine hydrochloride is an orally active and non-competitive NMDA receptor antagonist (crosses the blood-brain barrier) with a Ki of 6.0 μM. Orphenadrine hydrochloride relieves stiffness, pain and discomfort due to muscle strains, sprains or other injuries. Orphenadrine hydrochloride is also used to relieve tremors associated with parkinson's disease. Orphenadrine citrate has good neuroprotective properties, can be used in studies of neurodegenerative diseases[2][3].
L-838417 is a selective partial agonist at the α2, α3 and α5 subtypes of the GABAA receptor and an antagonist at the α1, with binding Ki values of 0.79 nM, 0.67 nM, 1.67 nM, 267 nM, 2.25 nM and 2183 nM for α1β3γ2, α2β3γ2, α3β3γ2, α4β3γ2, α5β3γ2 and α6β3γ2[1].
αA-Conotoxin PIVA is a selective mouse musclenAChR inhibitor with IC50 for adult and fetal mouse musclenAChR sub> values are 2.3 nM and 22 nM respectively. αA-Conotoxin PIVA can be used in the study of neurological diseases.
ITH12575, a CGP37157 derivative, is a potent and selective mNCX blocker. ITH12575 reduces Ca2+ influx through CALHM1 at low micromolar concentrations[1][2].
Licarbazepine (BIA 2-005; GP 47779) is a voltage-gated sodium channel blocker with anticonvulsant and mood-stabilizing effects[1].
PF 0713, a GABAA receptor agonist, is used as an intravenous sedative-hypnotic for general anaesthesia, ICU sedation, procedural sedation, chemotherapy.
AMG8380, an orally active and less active enantiomer of AMG8379, can serves as a negative control. AMG8380 inhibits human and mouse voltage-gated sodium channel NaV1.7 with IC50s of 0.907 and 0.387 μM, respectively. AMG8380 blocks Tetrodotoxin (TTX)-sensitive native channels with an IC50 of 2560 nM[1].
Bepridil ((±)-Bepridil) is a calcium channel blocking agent used as antiarrhythmic agent. Bepridil inhibits both calcium and sodium currents, has research potential in certain ischemia-induced ventricular arrhythmias. Bepridil also has strong inhibition of SARS-CoV-2 from entry and replication inside Vero E6 and A549 cells[1][2].
Mefloquine (Mefloquin), an orally active and potent quinoline antimalarial agent, is an anti-SARS-CoV-2 entry inhibitor. Mefloquine is also a K+ channel (KvQT1/minK) antagonist with an IC50 of ~1 μM. Mefloquine can be used for malaria, systemic lupus erythematosus and cancer research[1][2][3].
TPA023B is a potent, α2/α3 subtype-selective GABAA receptor partial agonist with Ki of 2.0 and 1.8 nM, does not affect the functioning of the α1 subtype; demonstrates anxiolytic effects in rodent and primate models of anxiety, with no significant effects in ataxia and/or myorelaxation.
Ivabradine is a potent and orally active HCN (hyperpolarization-activated cyclic nucleotide-gated) channel blocker that inhibits the cardiac pacemaker current (If). Ivabradine reduces dose-dependently heart rate without modification of blood pressure. Ivabradine shows anticonvulsant, anti-ischaemic and anti-anginal activity[1][2][3][4].
O-Nornuciferine, an aporphine-type alkaloid from lotus leaf, is a potent hERG channel inhibitor[1].
TRPV2-selective blocker 1 (compound IV2-1) is a selective TRPV2 channel blocker with an IC50 of 6.3 μM. TRPV2-selective blocker 1 does not affect TRPV1, TRPV3 or TRPV4 channels. TRPV2-selective blocker 1 also inhibits TRPV2-mediated Ca2+ influx in macrophages, and inhibits macrophage phagocytosis[1].
LAU159 is a functionally selective positive modulator of α1β3 GABA(A) receptor with an EC50 of 2.2 μM[1].
Senicapoc (ICA-17043) is a potent and selective Gardos channel blocker with IC50 value of 11 nM. It blocks Ca2+-induced rubidium flux from human RBCs with an IC50 value of 11 nM and inhibits RBC dehydration with IC50 of 30 nM.
Diphyllin is an arylnaphthalene lignan isolated from Justicia procumbens and is a potent HIV-1 inhibitor with an IC50 of 0.38 μM. Diphyllin is active against vesicular stomatitis virus (VSV) and influenza virus[1]. Diphyllin is a vacuolar type H+-ATPase (V-ATPase) inhibitor with an IC50 value of 17 nM and inhibits lysosomal acidification in human osteoclasts[2]. Diphyllin inhibits NO production with an IC50 of 50 μM and has anticancer and anti-inflammatory activities[3].
UK51656 is a calcium antagonist with IC50 of 4 nM.
Gallopamil hydrochloride (Methoxyverapamil hydrochloride), a methoxy derivative of Verapamil, is a phenylalkylamine calcium antagonist[1]. Gallopamil hydrochloride inhibits acid secretion in a concentration-dependent manner with an IC50 of 10.9 μM[2]. Gallopamil hydrochloride is a potent antiarrhythmic and vasodilator agent[3].
17β-Estradiol sulfate (sodium), also known as β-Estradiol 3-sulfate sodium salt, is a neuroactive steroid[1][2].
Riluzole hydrochloride is an anticonvulsant drug and belongs to the family of use-dependent Na+ channel blocker which can also inhibit GABA uptake with an IC50 of 43 μM.
Org 25935 is a potent and selective glycine transporter 1 protein (GlyT1) inhibitor with an IC50 value of 100 nM. Org 25935 can decrease ethanol (EtOH) intake and EtOH preference in rats, whereas water intake is unaffected. Org 25935 can be used for researching alcohol dependence or abuse[1].
Propiverine hydrochloride is a bladder spasmolytic with calcium antagonistic and anticholinergic properties. Propiverine hydrochloride can be used for the research of overactive blaqdder and urinary incontinence[1][2].
Quinine sulfate (2:1) (Qualaquin) is an orally active alkaloid extracted from cinchona bark and can be used in anti-malarial studies. Quinine sulfate (2:1) is a potassium channel inhibitor that inhibits WT mouse Slo3 (KCa5.1) channel currents evoked by voltage pulses to +100 mV with an IC50 of 169 μM[1][2].