1. Signaling Pathways
  2. Membrane Transporter/Ion Channel
  3. Potassium Channel

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.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-121183
    Aprikalim
    Activator
    Aprikalim (RP 52891), a potassium channel opener (KCO), activates ATP-sensitive K+ (KATP) channels in guinea pig ventricular myocytes. Using patch-clamp techniques, it was found that aprikalim enhances KATP channel activity more effectively in Mg-NDP solution compared to standard solutions. In Mg-NDP solution, aprikalim reduced the sensitivity of KATP channels to ATP, increasing the concentration of ATP required to inhibit channel activity by half (K1) from 56 μM to 180 μM. However, this effect diminished over time. Aprikalim's ability to activate KATP channels in Mg-NDP solution suggests potential therapeutic implications in modulating cardiac excitability and may relate to changes in channel protein enzymatic activity under experimental conditions.
    Aprikalim
  • HY-180529
    4-Octyl itaconate-Bn-S-NH2
    Activator
    4-Octyl itaconate-Bn-S-NH2 (Compound 8b) is a vasodilator. 4-Octyl itaconate-Bn-S-NH2 can slowly and stably release H₂S, and it alleviates oxidative stress through an antioxidant reaction that depends on the activation of Nrf2. 4-Octyl itaconate-Bn-S-NH2 inhibits the production of intracellular ROS caused by H₂O₂ damage and the cytotoxicity of cells, and activates potassium channel. 4-Octyl itaconate-Bn-S-NH2 can be used for research on hypertension.
    4-Octyl itaconate-Bn-S-NH2
  • HY-172141
    Ebio2
    Activator
    Ebio2 is a potent KCNQ2 activator.
    Ebio2
  • HY-A0084AR
    Procainamide (Standard)
    Activator
    Procainamide (Standard) is the analytical standard of Procainamide. This product is intended for research and analytical applications. Procainamide (Procaine amide) is a specific and potent inhibitor of DNA methyltransferase 1 (DNMT1), which reactivates the expression of tumor suppressor factors by demethylating tumor suppressor genes. Procainamide induces vacuolization in various cell types and reduces cell proliferation and migration. Procainamide relaxes airway smooth muscle by activating potassium channels. Procainamide can be used in cancer and arrhythmia research.
    Procainamide (Standard)
  • HY-179065
    VU0494372
    Activator
    VU0494372 is an activator of potassium ion channel KCNQ1. VU0494372 can significantly enhance the cell surface expression and transport efficiency of KCNQ1. VU0494372 does not alter KCNQ1 mRNA levels and protein degradation rate, and has no significant cytotoxicity. VU0494372 can be used for research on cardiovascular conditions.
    VU0494372
  • HY-172887
    Kv7.2/Kv7.3 activator-2
    Activator
    Kv7.2/Kv7.3 activator-2 is a BBB-penetrable Kv7.2/7.3 activator (EC50: 0.25 μM). Kv7.2/Kv7.3 activator-2 has good photostability. Kv7.2/Kv7.3 activator-2 has potently antiepileptic effects in maximal electroshock (MES) and sc-pentylenetetrazol (sc-PTZ)-induced acute mice seizure models.
    Kv7.2/Kv7.3 activator-2
  • HY-129210
    KMUP-4
    Activator
    KMUP-4, as a xanthine derivative with cGMP-enhancing activity, induces aortic relaxation through endothelium-dependent and independent mechanisms. KMUP-4 increases cytoplasmic cyclic guanosine monophosphate (cGMP) and cyclic adenosine monophosphate (cAMP) levels by inhibiting phosphodiesterases (PDEs) and activating K+ channels. KMUP-4 can be used in the study of cardiovascular diseases.
    KMUP-4
  • HY-W013175R
    Uridine 5'-monophosphate disodium salt (Standard)
    Activator
    Uridine 5'-monophosphate (disodium salt) (Standard) is the analytical standard of Uridine 5'-monophosphate (disodium salt). This product is intended for research and analytical applications. Uridine 5'-monophosphate (5'-Uridylic acid) disodium salt is an orally active mitochondrial ATP-dependent potassium channel activator that has a protective effect on the heart. Uridine 5'-monophosphate disodium salt can promote the synthesis of CDP-choline and induce apoptosis in intestinal epithelial cells, which is beneficial for gut development and reduces diarrhea.
    Uridine 5'-monophosphate disodium salt (Standard)
  • HY-105466
    P-1060
    Activator
    P-1060 is a potassium channel opener. P-1060 can be used for the research of cardiovascular disease.
    P-1060
  • HY-129670
    KMUP-1
    Activator
    KMUP-1 is a xanthine derivative with vasodilator activity. KMUP-1 is a inhibitor of phosphodiesterase (PDE) and activator of soluble guanylyl cyclase (sGC). KMUP-1 stimulates NO/sGC/cyclic GMP pathway. KMUP-1 has K+ channels opening activity. KMUP-1 ameliorates ischemia-induced cardiomyocyte apoptosis. KMUP-1 can be used for cardiovascular and anti-inflammatory study.
    KMUP-1
  • HY-128547
    Cetiedil citrate
    Activator
    Cetiedil citrate is a vasodilator and antihemolytic agent. Cetiedil citrate exerts anti-sickle cell anemia effects by blocking Ca2+-activated K+ channels (Gardos/KCa3.1). Cetiedil citrate is a muscarinic receptor antagonist that inhibits calcium-dependent release of acetylcholine (ACh) from mediated reconstituted proteoliposomes, with a Ki value of 5 μM. Cetiedil citrate possesses analgesic, spasmolytic and local anesthetic activities. Cetiedil citrate can be used in research related to ischemic leg pain caused by vascular diseases and sickle cell disease.
    Cetiedil citrate
  • HY-118683
    KR-31378
    Activator
    KR-31378 is a neuroprotectant with dose-dependent pharmacokinetic properties and relevant activity in rats. After intravenous and oral administration of KR-31378 in rats, its pharmacokinetic parameters showed dose-dependent changes, such as decreased clearance with increasing doses, good oral absorption, and comparable AUCs for intravenous and oral administration at different doses.
    KR-31378
  • HY-146173
    KCa1.1 channel activator-1
    Activator
    KCa1.1 channel activator-1 (compound 1E), a Quercetin hybrid derivative, is a selective vascular KCa1.1 channel channel stimulator. KCa1.1 channel activator-1 also displays CaV1.2 channel blocking activity. KCa1.1 channel activator-1 exhibits weak myorelaxant activity.
    KCa1.1 channel activator-1
  • HY-181874
    E0714
    Activator
    E0714 is a blood-brain barrier-permeable, selective Kv7.2 potassium channel activator, with EC50 values of 1.90 μM and 0.021 μM for homotetrameric Kv7.2 channels and heterotetrameric Kv7.2/7.3 channels, respectively. E0714 exhibits anticonvulsant activity. E0714 can be used in research related to epilepsy.
    E0714
  • HY-135746R
    OR-1896 (Standard)
    Activator
    7-epi-Taxol (Standard) is the analytical standard of 7-epi-Taxol. This product is intended for research and analytical applications. 7-epi-Taxol is an active metabolite of taxol, with activity comparable to that of taxol against cell replication, promoting microtubule bundle formation and against microtubule depolymerization.
    OR-1896 (Standard)
  • HY-164417
    Kv7.2/Kv7.3 activator-1
    Activator
    Kv7.2/Kv7.3 activator-1 (compound 517) is a potent Kv7.2/Kv7.3 channel activator with an EC50 value of <1 µM. Kv7.2/Kv7.3 activator-1 has the potential for the research of neurological diseases.
    Kv7.2/Kv7.3 activator-1
  • HY-117928
    BRL 55834
    Activator
    BRL 55834 is an orally and potent potassium channel activator. BRL 55834 exhibits great bronchodilator potency but reduces tendency to lower arterial blood pressure. BRL 55834 has the potential to use as a bronchodilator.
    BRL 55834
  • HY-146174
    KCa1.1 channel activator-2
    Activator
    KCa1.1 channel activator-2 (compound 3F), a Quercetin hybrid derivative, is a selective vascular KCa1.1 channel stimulator. KCa1.1 channel activator-2 exhibits potent myorelaxant activity.
    KCa1.1 channel activator-2
  • HY-B0112A
    Minoxidil hydrochloride
    Activator
    Minoxidil (U10858) hydrochloride is an ATP-sensitive potassium (KATP) channel opener, a potent oral antihypertensive agent and a peripheral vasodilator that promotes vasodilation also affects hair growth. Minoxidil hydrochloride is also a potent inhibitor of soybean lipoxygenaseare with an IC50 of 20 μM.
    Minoxidil hydrochloride
  • HY-180468
    Kv7 activator-2
    Activator
    Kv7 activator-2 (A14a) is a Kv7 potassium channel activator. Kv7 activator-2 can be used for the research of neurological disease, such as epilepsy.
    Kv7 activator-2
Cat. No. Product Name / Synonyms Application Reactivity