Potassium Channel Modulator

DCPIB is a selective, reversible and potent inhibitor of volume-regulated anion channels (VRAC). DCPIB voltage-dependently activates potassium channels TREK1 and TRAAK, and inhibits TRESK, TASK1 and TASK3 (IC₅₀s: 0.14, 0.95, 50.72 μM, respectively). DCPIB is also a selective blocker of swelling-induced chloride current (I_Cl,swell), with an IC₅₀ of 4.1 μM. DCPIB is a useful tool for investigating structure-function studies of K2P channels.

Bepridil hydrochloride (CERM 1978; Org 5730 hydrochloride) is an orally active non-selective calcium channel antagonist with multi-ion channel blocking activity. Bepridil hydrochloride modulates Calmodulin, the 20S proteasome, T-type/L-type calcium channels, cardiac sodium channels, multiple potassium channels, γ-secretase, β-secretase, and mitoK_ATP/sarcK_ATP channels. Bepridil hydrochloride acts as a hydroxyl radical scavenger, regulates mitochondrial and intracellular calcium handling, and exerts antiarrhythmic, antianginal, and cardioprotective effects. Bepridil hydrochloride alters amyloid precursor protein processing, reduces β-amyloid and thalamic calcium levels, restores seladin-1/DHCR24 expression, and improves sensorimotor recovery after cerebral ischemia. Bepridil hydrochloride also exhibits potent inhibitory effects on SARS-CoV-2 replication. Bepridil hydrochloride is used in studies related to stable angina, arrhythmias, cerebral ischemia, Alzheimer's disease, and SARS-CoV-2 infection.

AUT1 is a recombinant human Kv3 channel modulator. AUT1 modulates Kv3.1b and Kv3.2a channels in human recombinant with pEC₅₀ values of 5.33 and 5.31 μM, respectively. AUT1 can be used for the research of disorders associated with dysfunction of inhibitory feedback in corticolimbic circuits, such as schizophrenia.

Bepridil hydrochloride hydrate (CERM 1978 hydrate; Org 5730 hydrochloride hydrate) is an orally active non-selective calcium channel antagonist with multi-ion channel blocking activity. Bepridil hydrochloride hydrate modulates Calmodulin, the 20S proteasome, T-type/L-type calcium channels, cardiac sodium channels, multiple potassium channels, γ-secretase, β-secretase, and mitoK_ATP/sarcK_ATP channels. Bepridil hydrochloride hydrate acts as a hydroxyl radical scavenger, regulates mitochondrial and intracellular calcium handling, and exerts antiarrhythmic, antianginal, and cardioprotective effects. Bepridil hydrochloride hydrate alters amyloid precursor protein processing, reduces β-amyloid and thalamic calcium levels, restores seladin-1/DHCR24 expression, and improves sensorimotor recovery after cerebral ischemia. Bepridil hydrochloride hydrate also exhibits potent inhibitory effects on SARS-CoV-2 replication. Bepridil hydrochloride hydrate is used in studies related to stable angina, arrhythmias, cerebral ischemia, Alzheimer's disease, and SARS-CoV-2 infection.

NPBA, a potassium K2P channel TASK-3 (KCNK9) agonist, is a tandem pore domain weak inward rectifying K⁺ channel (TWIK2) channel blocker. NPBA suppresses NLRP3 inflammasome activation in macrophages.

Flindokalner (BMS-204352) is a potassium channel modulator. Flindokalner is a positive modulator of all neuronal Kv7 channel subtypes expressed in HEK293 cells. Flindokalner is also a large conductance calcium-activated K channel (BKca) positive modulator. Flindokalner shows a negative modulatory activity at Kv7.1 channels (K_i=3.7 μM), and acts as a negative modulator of GABAA receptors. Flindokalner shows anxiolytic efficacy in vivo.

ICA 110381 is an orally active Kv7.2/Kv7.3 (KCNQ2/3) potassium channel activator with anticonvulsive properties. ICA 110381 is a KCNQ2/Q3 activator (EC₅₀=0.38 μM) as well as KCNQ1 antagonist (IC₅₀=15 μM).

Bepridil (CERM 1978 (free base); Org 5730) is an orally active non-selective calcium channel antagonist with multi-ion channel blocking activity. Bepridil modulates Calmodulin, the 20S proteasome, T-type/L-type calcium channels, cardiac sodium channels, multiple potassium channels, γ-secretase, β-secretase, and mitoK_ATP/sarcK_ATP channels. Bepridil acts as a hydroxyl radical scavenger, regulates mitochondrial and intracellular calcium handling, and exerts antiarrhythmic, antianginal, and cardioprotective effects. Bepridil alters amyloid precursor protein processing, reduces β-amyloid and thalamic calcium levels, restores seladin-1/DHCR24 expression, and improves sensorimotor recovery after cerebral ischemia. Bepridil also exhibits potent inhibitory effects on SARS-CoV-2 replication. Bepridil is used in studies related to stable angina, arrhythmias, cerebral ischemia, Alzheimer's disease, and SARS-CoV-2 infection.

Brevetoxin B (Brevetoxin-2) is a red tide toxin. Brevetoxin B affects sodium, potassium and calcium currents in nerve terminals. Brevetoxin B also modulates the metabolic activity of Jurkat cells, reduces cell viability and induces apoptosis. Brevetoxin B can be used in research on synaptic transmission and tumors.

TMEM175 modulator 1 (compound 47) is a TMEM175 modulator.TMEM175 modulator 1 modulates activity of the lysosomal potassium ion channel TMEM175.TMEM175 modulator 1 can be used for the research of parkinson’s disease, dementia, alzheimer’s disease, l-dopa induced dyskinesia.

LUF7244 is a selective allosteric modulator of K_v11.1 channels. LUF7244 inhibits early afterdepolarizations. LUF7244 can be used for anti-arrhythmia research.

Kv3.1 modulator 2 (compound 4) is a Kv3.1 channels modulator with an EC₅₀ value of 68 nM.

Icariside E4 is an antinociceptive agent, and can be isolated from Tabebuia roseo-alba. Icariside E4 has peripheral analgesic activity by ATP-sensitive K⁺ channel-dependent mechanisms. Icariside E4 also has anti-oxidant, anti-Alzheimer and anti-inflammatory effects.

KCC2 Modulator-2 (example 53) is a KCC2 modulator with an EC₅₀ of 0.215 μM. KCC2 Modulator-2 can be used in the study of neurological disorders.

Nav1.8 modulator 1 (compound 1) is a potent Nav1.8 modulator. Nav1.8 modulator 1 has the potential for pain research.

KCC2 Modulator-1 (example 52) is a KCC2 modulator. KCC2 Modulator-1 is used for the research of neurological disorders.

Kv3 modulator 2 (formula (I)) is a potent Kv3 channels modulator extracted from patent WO2018109484A1, compound formula (I) , has analgesic activity and is used in the prophylaxis or treatment of related disorders.

Kv3 modulator 4 is a Kv3.1 (pEC₅₀=5.45) and Kv3.2 modulator extracted from patent WO2018020263A1, Cyclobutyl structure.

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.

Kv3 modulator 3 (Compound 4) is a selective modulator of Kv3.1 and/or Kv3.2 and/or Kv3.3 channels extracted from patent WO2017098254A1, compound 4, has analgesic activity for use in the prophylaxis o or treatment of pain.