Potassium Channel
KcsA
Potassium channels are the most widely distributed type of ion channel and are found in virtually all living organisms. They form potassium-selective pores that span cell membranes. Potassium channels are found in most cell types and control a wide variety of cell functions. Potassium channels function to conduct potassium ions down their electrochemical gradient, doing so both rapidly and selectively. Biologically, these channels act to set or reset the resting potential in many cells. In excitable cells, such asneurons, the delayed counterflow of potassium ions shapes the action potential. By contributing to the regulation of the action potential duration in cardiac muscle, malfunction of potassium channels may cause life-threatening arrhythmias. Potassium channels may also be involved in maintaining vascular tone.
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Potassium Channel Inhibitors
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Potassium Channel Agonists
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Potassium Channel Antagonists
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Potassium Channel Activators
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Potassium Channel Modulators
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Potassium Channel Chemical
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Potassium Channel Controls
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Potassium Channel Related Products (1125)
Related Products (1125)
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Antibodies (6)
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Related Compound Screening Libraries (1)
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Tenidap
0 ImagesSynonyms: CP-66248Tenidap (CP-66248) is an orally active dual inhibitor of 5-LOX and COX with anti-inflammatory and immunomodulatory properties. Tenidap downregulates the expression of IL-1 receptors in chondrocytes, reduces the release of pro-inflammatory cytokines such as IL-1, IL-6 and TNF-α, and inhibits MMP production and cartilage degradation. Tenidap also blocks bone resorption and leukocyte adhesion to vascular endothelium, interferes with ion and pH changes associated with mouse sperm capacitation, and selectively enhances the activity of hKir2.3 channels (EC50=1.3 μM). Tenidap is applicable to research related to rheumatoid arthritis.
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GI-530159
0 ImagesGI-530159 is a selective opener of TREK1 and TREK2 potassium channels. GI-530159 displays selectivity for TREK1/2 over TRAAK, TASK3 and other potassium channels, with an EC50 of 0.76 μM for TREK1. GI-530159 reduces rat dorsal root ganglion neuron excitability and shows potential analgesic effect.
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Cloperastine hydrochloride
0 ImagesCloperastine hydrochloride inhibits the hERG K+ currents in a concentration-dependent manner with an IC50 value of 27 nM.
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BMS-191011
0 ImagesSynonyms: BMS-ABMS 191011 (BMS-A) is a potent BKCa channel opener (large-conductance Ca2+-activated potassium channel). BMS-191011 shows neuroprotective activities in rodent models of stroke.
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Vernakalant Hydrochloride
0 ImagesSynonyms: RSD1235 hydrochlorideVernakalant hydrochloride is a mixed voltage- and frequency-dependent Na+ and atria-preferred K+ channel blocker. IC50 for block by Vernakalant of wild-type and mutant Kv1.5 channels Fractional block is 13.35±0.93 μM, 0.61±0.03 μM, and 1.63±0.09 μM for Kv1.5 channelwt, Kv1.5 channelI508F, Kv1.5 channelT479A, respectively.
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Quinine (hydrochloride)
0 ImagesQuinine hydrochloride is an alkaloid extracted from cinchona bark and exhibits oral activity, acting as a potassium channel inhibitor. Quinine hydrochloride modulates the tolerance of red blood cells and presents dose-dependent toxicity and embryonic effects. Quinine hydrochloride is a typical hemolysin that directly lyses red blood cells, with cellular components of red blood cell membranes as its action targets. Quinine hydrochloride disrupts red blood cell membranes and induces hemolysis at high concentrations, while merely weakening the anti-hemolytic capacity of red blood cells at low concentrations. Quinine hydrochloride continuously reduces red blood cell tolerance after in vivo administration, and high doses can also alter blood cell counts. Quinine hydrochloride can be applied to researches related to red blood cell hemolysis, cancer and malaria.
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Trimebutine
0 ImagesTrimebutine is a multi-target inhibitor and opioid receptor agonist with antimuscarinic activity. Trimebutine inhibits L-type Ca2+ channels and large-conductance calcium-activated potassium channels (BKCa channels), thereby inhibiting extracellular calcium influx and potassium ion efflux. Trimebutine also targets Toll-like receptors, inhibits Toll-like receptor 2/4/7/8/9 signals, and inhibits LPS-induced IRAK1 activation, as well as ERK1/2, JNK and NF-κB activation, thereby exerting anti-inflammatory effects. Trimebutine also induces tumor cell apoptosis by inhibiting the AKT/ERK pathway. Trimebutine also inhibits excessive contraction of smooth muscle and can be used in the study of gastrointestinal disorders such as irritable bowel syndrome (IBS).
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S-D-Lactoylglutathione
0 ImagesSynonyms: S-Lactylglutathione; (R)-S-LactoylglutathioneS-D-Lactoylglutathione (S-Lactylglutathione; (R)-S-Lactoylglutathione) is a multifunctional metabolic intermediate of the glyoxalase system. S-D-Lactoylglutathione activates K+ efflux in bacteria by displacing inhibitory glutathione from KefGB channels, thereby acidifying the cytoplasm. In eukaryotic cells, S-D-Lactoylglutathione mediates S-glutathionylation as a substrate of glyoxalase 2. S-D-Lactoylglutathione serves as a sensitive metabolic biomarker for neodymium nitrate neurotoxicity; when used in combination with MSCs-exo, it upregulates glutathione levels, downregulates lactate dehydrogenase and Glo2 levels, and inhibits cellular inflammatory responses and pyroptosis. S-D-Lactoylglutathione can be used in research related to prostate cancer, breast cancer, non-small cell lung cancer, sepsis-associated encephalopathy, and neurotoxicity.
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Trimebutine maleate
0 ImagesTrimebutine maleate is a multi-target inhibitor and opioid receptor agonist with antimuscarinic activity. Trimebutine maleate inhibits L-type Ca2+ channels and large-conductance calcium-activated potassium channels (BKCa channels), thereby inhibiting extracellular calcium influx and potassium ion efflux. Trimebutine maleate also targets Toll-like receptors, inhibits Toll-like receptor 2/4/7/8/9 signals, and inhibits LPS-induced IRAK1 activation, as well as ERK1/2, JNK and NF-κB activation, thereby exerting anti-inflammatory effects. Trimebutine maleate also induces tumor cell apoptosis by inhibiting the AKT/ERK pathway. Trimebutine maleate also inhibits excessive contraction of smooth muscle and can be used in the study of gastrointestinal disorders such as irritable bowel syndrome (IBS).
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Calcium polystyrene sulfonate
0 ImagesCat. No.: HY-107929CAS No.: 37286-92-3Synonyms: Poly(styrenesulfonic acid) calcium saltCalcium polystyrene sulfonate (Poly(styrenesulfonic acid) calcium salt) is an orally active potassium-lowering agent. Calcium polystyrene sulfonate binds potassium in the distal colon in exchange for Ca2+. Calcium polystyrene sulfonate can be used for the research of hyperkalemia in chronic kidney disease.
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ONO-2920632
0 ImagesSynonyms: VU6011887ONO-2920632 is an orally active and central nervous system (CNS)-penetrant TREK activator, with EC50 values of 0.3 µM and 2.8 μM for TREK-1 and TREK-2, respectively. ONO-2920632 exhibits selectivity for other K2P channels (>91-fold selective versus TASK1, TASK2, TASK3, TRAAK, and TWIK2; 31-fold selective versus TRESK). ONO-2920632 possesses analgesic effects and can be used in research on pain, migraine, and neurological disorders.
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ICA-069673
0 ImagesICA-069673 is a KCNQ2/Q3 potassium channel activator. ICA-069673 demonstrates greater selectivity for KV7.2/7.3 over KV7.3/KV7.5, with EC50s of 0.69 μM and 14.3 μM, respectively. ICA-069673 inhibits spontaneous phasic and nerve-evoked contractions in guinea pig detrusor smooth muscle (DSM). ICA-069673 also decreases the global intracellular Ca(2+) concentration in DSM cells.
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Glyburide-d3
0 ImagesSynonyms: Glyburide-d3Glyburide-d3 is the deuterium labeled Glibenclamide. Glibenclamide (Glyburide) is an orally active ATP-sensitive K+ channel (KATP) inhibitor and can be used for the research of diabetes and obesity[1]. Glibenclamide inhibits P-glycoprotein. Glibenclamide directly binds and blocks the SUR1 subunits of KATP and inhibits the cystic fibrosis transmembrane conductance regulator protein (CFTR)[3]. Glibenclamide interferes with mitochondrial bioenergetics by inducing changes on membrane ion permeability[4]. Glibenclamide can induce autophagy[5].
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RPR-260243
0 ImagesRPR-260243, a potent activator of human ether-a-go-go-related gene (hERG), slows deactivation and attenuates inactivation of hERG1 channels. RPR260243-modified HERG currents are inhibited by Dofetilide (IC50=58 nM). RPR260243 displays no activator-like effects on other voltage-dependent ion channels, including the closely related ERG3 K+ channel. RPR-260243 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
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QO 58
0 ImagesQO 58 is a potent modulator of K(v)7 channels. QO-58 increases the current amplitudes, shifts the voltage-dependent activation curve in a more negative direction and slows the deactivation of K(v)7.2/K(v)7.3 currents. QO-58 has the potential for the research of diseases associated with neuronal hyperexcitability.
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Rosuvastatin Calcium (Standard)
0 ImagesSynonyms: Rosuvastatin hemicalcium (Standard); ZD 4522 Calcium (Standard)Rosuvastatin (Calcium) (Standard) is the analytical standard of Rosuvastatin (Calcium). This product is intended for research and analytical applications. Rosuvastatin Calcium is a competitive HMG-CoA reductase (HMGCR) inhibitor, with an IC50 of 11 nM. Rosuvastatin Calcium potently blocks hERG current with an IC50 of 195 nM. Rosuvastatin Calcium reduces the expression of the mature hERG and the interaction of heat shock protein 70 (Hsp70) with the hERG protein. Rosuvastatin Calcium effectively lowers low-density lipoprotein (LDL) cholesterol, triglycerides, and C-reactive protein levels.
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VU041
0 ImagesVU041 is a first submicromolar-affinity inhibitor of Anopheles (An.) gambiae and Aedes (Ae.) aegypti inward rectifier potassium 1 (Kir1) channels with IC50 values of 2.5 μM and 1.7 μM, respectively. VU041 inhibits appreciably is mammalian Kir2.1 (IC50 of 12.7 μM), and has less inhibitory effect on mammalian Kir1.1, Kir4.1, Kir6.2/SUR1, and Kir7.1. VU041 also induces impaired Malpighian tubule function.
