Tyr-Somatostatin-28 is a somatostatin that adds a Tyrosine amino acid to Somatostatin-28[1].
threo Ifenprodil hemitartrate is a σ receptor agonist, with Kis of 59.1 and 2 nM for σ1 and σ2 receptors, respectively. threo Ifenprodil hemitartrate is also a NR2B subunit-selective NMDA receptor antagonist (IC50=0.22 μM). threo Ifenprodil hemitartrate is a hERG potassium channel inhibitor, with an IC 50 of 88 nM, showing antiarrhythmic activity[1][2][3].
Ropivacaine-d7 is deuterium labeled Ropivacaine. Ropivacain is a potent sodium channel blocker. Ropivacain blocks impulse conduction via reversible inhibition of sodium ion influx in nerve fibrese[1][2]. Ropivacaine is also an inhibitor of K2P (two-pore domain potassium channel) TREK-1 with an IC50 of 402.7 μM in COS-7 cell's membrane[3]. Ropivacaine is used for the research of neuropathic pain management[1].
Dofetilide N-oxide (UK-116856) is a metabolite of Dofetilide. Dofetilide is a class III antiarrhythmic agent that blocks potassium channels[1][2].
Talatisamine, a aconitum alkaloid，is specific K+ channel blocker. Talatisamine attenuates beta-amyloid oligomers induced neurotoxicity in cultured cortical neurons[1].
Sibutramine hydrochloride monohydrate is a novel 5-HT (serotonin) and noradrenaline reuptake inhibitor (SNRI). The IC50 for Sibutramine block of voltage-gated K+ channel (KV)4.3 is 17.3 μM.
Saikogenin D is isolated from Bupleurum chinense, has anti-inflammatory effects. Saikogenin D activates epoxygenases that converts arachidonic acid to epoxyeicosanoids and dihydroxyeicosatrienoic acids, and the metabolites secondarily inhibit prostaglandin E2 (PGE2) production. Saikogenin D results in an elevation of [Ca2+]i due to Ca2+ release from intracellular stores[1][2].
Tertiapin-Q is a highly selective blocker of GIRK1/4 heterodimer and ROMK1 (Kir1.1).
Sotalol D6 hydrochloride is a deuterium labeled Sotalol hydrochloride. Sotalol hydrochloride is a non-selective competitive β-adrenergic receptor antagonist that also exhibits Class III antiarrhythmic properties by its inhibition of potassium channels[1][2].
Cariporide is a Na+/H+ Exchanger 1 (NHE-1) inhibitor. Cariporide inhibits the expression of monocyte endothelial cell adhesion and intercellular adhesion molecule-1 (ICAM-1) mediated by high glucose (HG) by inhibiting the activation of NHE-1[1].
Pirmenol hydrochloride inhibits IK.ACh by blocking muscarinic receptors. The IC50 of Pirmenol for inhibition of Carbachol-induced IK.ACh is 0.1 μM.
Disopyramide-d14 (Dicorantil-d14) tosylate salt is the deuterium labeled Disopyramide. Disopyramide (Dicorantil) is a class IA antiarrhythmic drug with efficacy in ventricular and atrial arrhythmias. Disopyramide blocks the fast inward sodium current of cardiac muscle and prolongs the duration of cardiac action potentials. Disopyramide inhibits HERG encoded potassium channels. Disopyramide also exhibits complex protein binding, and has a potent negative inotropic action[1][2][3][4].
Quinate is an antiarrhythmic agent. Quinate is a potent, orally active, selective cytochrome P450db inhibitor. Quinate is also a K+ channel blocker with an IC50 of 19.9 μM. Quinate can be used for malaria research[1][2][3].
RuBi-4AP, a derivative of 4-aminopyridine (4AP; HY-B0604), is a caged Kv channel blocker. RuBi-4AP contains a photolabile protecting group, allowing its effect to be controlled precisely in both space and time with light. RuBi-4AP can be used for the research of neuronal excitability, synaptic transmission, and signal propagation[1][2].
Rimtuzalcap (CAD-1883) is a first-in-class selective positive allosteric modulator of small-conductance calcium-activated potassium channels (SK channels). Rimtuzalcap can be used for the research of movement disorders including essential tremor (ET) and spinocerebellar ataxia (SCA)[1].
Ropivacaine hydrochloride is an inhibitor of K2P (two-pore domain potassium channel) TREK-1 with an IC50 of 402.7 μM.
VU0134992 is a selective inward rectifier potassium (Kir) channel Kir4.1 blocker with an IC50 of 0.97 µM[1].
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].
O-Nornuciferine, an aporphine-type alkaloid from lotus leaf, is a potent hERG channel inhibitor[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.
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].
Anticancer agent 72 (compound 8c) is a potent inhibitor of K+ channel. Anticancer agent 72 induces apoptosis[1].
Dibutyryl-cGMP sodium (Bt2cGMP sodium) is a cell-permeable cGMP analogue. Dibutyryl-cGMP sodium preferentially activates cGMP-dependent protein kinase (PKG). Dibutyryl-cGMP sodium inhibits the release of [3H]-arachidonic acid from γ thrombin-stimulated human platelets. Dibutyryl-cGMP sodium induces peripheral antinociception via activation of ATP-sensitive K+ channels[1][2][3].
Amiodarone-d10 hydrochloride is the deuterium labeled Amiodarone. Amiodarone hydrochloride is an antiarrhythmic drug for inhibition of ATP-sensitive potassium channel with an IC50 of 19.1 μM[1][2].
Clobutinol hydrochloride is a compound that has anti-tussive effects. Clobutinol hydrochloride affects heart rate and blood pressure, it can be used for cough related research[1][2][3].
IK1 inhibitor PA-6 (PA-6), a pentamidine analogue, is a selective and potent IK1 (KIR2.x ion-channel-carried inward rectifier current) inhibitor, with IC50 values of 12-15 nM for human and mouse KIR2.x currents. IK1 inhibitor PA-6 (PA-6) elevates KIR2.1 protein expression and induces intracellular KIR2.1 accumulation. IK1 inhibitor PA-6 (PA-6) has the potential to treat atrial fibrillation and arrhythmia[1][2][3].
Propafenone (SA-79), a sodium-channel blocker, acts an antiarrhythmic agent. Propafenone also has high affinity for the β receptor (IC50=32 nM)[1]. Propafenone blocks the transient outward current (Ito) and the sustained delayed rectifier K current (Isus) with IC50 values of 4.9 μm and 8.6 μm, respectively[2]. Propafenone suppresses esophageal cancer proliferation through inducing mitochondrial dysfunction and induce apoptosis[3].
NS8593 hydrochloride is a potent and selective small conductance Ca2+-activated K+ channels (SK channels) inhibitor. NS8593 hydrochloride reversibly inhibits SK3-mediated currents with a Kd value of 77 nM. NS8593 hydrochloride inhibits all the SK1-3 subtypes Ca2+-dependently (Kds of 0.42, 0.60, and 0.73 μM, respectively, at 0.5 μM Ca2+), and does not affect the Ca2+-activated K+ channels of intermediate and large conductance (hIK and hBK channels, respectively)[1][2].
Annonacin is an Acetogenin and promotes cytotoxicity via a pathway inhibiting the mitochondrial complex. Annonacin is the active agent found in Graviola leaf extract to act as an inhibitor of sodium/potassium (NKA) and sarcoplasmic reticulum (SERCA) ATPase pumps[1].