2. Signaling Pathways
  3. Membrane Transporter/Ion Channel
  4. Sodium Channel

Sodium Channel

Na channels; Na+ channels

Sodium Channel

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Sodium channels are integral membrane proteins that form ion channels, conducting sodium ions (Na+) through a cell's plasma membrane. They are classified according to the trigger that opens the channel for such ions, i.e. either a voltage-change (Voltage-gated, voltage-sensitive, or voltage-dependent sodium channel also called VGSCs or Nav channel) or a binding of a substance (a ligand) to the channel (ligand-gated sodium channels). In excitable cells such as neurons, myocytes, and certain types of glia, sodium channels are responsible for the rising phase of action potentials. Voltage-gated Na+ channels can exist in any of three distinct states: deactivated (closed), activated (open), or inactivated (closed). Ligand-gated sodium channels are activated by binding of a ligand instead of a change in membrane potential.

Sodium Channel Isoform Specific Products:

Sodium Channel Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-B1430R
    Butamben (Standard)
    		Inhibitor
    Butamben (Standard) is the analytical standard of Butamben. This product is intended for research and analytical applications. Butamben (Butyl 4-aminobenzoate) results in long-lasting relief from pain, without impairing motor function or other sensory functions.
    Butamben (Standard)
  • HY-160592
    Nav1.8-IN-11
    		Inhibitor
    Nav1.8-IN-11 (Example 1) is a Nav1.8 channel inhibitor with a IC50 value of 0.1 nM. Nav1.8-IN-11 can be used in the study of pain disorders.
    Nav1.8-IN-11
  • HY-10672
    Urotensin-II receptor antagonist-1
    		Inhibitor
    Urotensin-II receptor antagonist-1 (compound 1) is a low oral bioavailability (F=0-3%, rat) selective human Urotensin II receptor antagonist, Ki=16 nM (test on HEK293 cells expressing recombinant human UT receptor). Urotensin-II receptor antagonist-1 inhibits cytochrome P450 (IC50=0.75 μM, CYP2D6; 1.4 μM, CYP3A4), inhibits κ-opioid receptor (EC50=3.2 μM), targets cardiac sodium channels (Ki=2.5 μM).
    Urotensin-II receptor antagonist-1
  • HY-118050
    L589420-0-2
    		Inhibitor
    L589420-0-2 (L-420) is a sodium pump inhibitor with inhibitory activity in human erythrocytes. L589420-0-2 can regulate the concentration of intracellular sodium ions, thereby affecting the electrophysiological properties of cells. L589420-0-2 may also play an important role in the inhibition of cardiovascular diseases.
    L589420-0-2
  • HY-B0612B
    (S)-Lercanidipine
    (S)-Lercanidipine is a calcium channel blocker with antihypertensive and neuroprotective activities. (S)-Lercanidipine reduces oxidative stress and protects auditory sensory hair cells from noise-induced damage. (S)-Lercanidipine showed significant protective effects on cell viability in in vitro experiments, especially at low concentrations. (S)-Lercanidipine has been found to effectively reduce the hearing threshold of mice after noise stimulation and protect the survival of outer hair cells. The antioxidant properties of (S)-Lercanidipine are reflected in its increased expression of antioxidant enzyme genes and decreased expression of oxidative enzyme genes. (S)-Lercanidipine administration is effective in reducing noise-induced hearing loss both before and after noise exposure. (S)-Lercanidipine may alleviate noise-induced hearing loss and protect the survival of outer hair cells through its antioxidant mechanism.
    (S)-Lercanidipine
  • HY-B1657AS
    Fosphenytoin-d10 disodium
    		Antagonist
    Fosphenytoin-d10 (disodium) is deuterium labeled Fosphenytoin (disodium). Fosphenytoin sodium is a phenytoin proagent with similar anticonvulsant properties. Its main mechanism is to block frequency-dependent, use-dependent and voltage-dependent neuronal sodium channels, and therefore limit repetitive firing of action potentials.
    Fosphenytoin-d<sub>10</sub> disodium
  • HY-B0284A
    Nifedipine hydrochloride
    Nifedipine hydrochloride is a potent vasodilator with calcium antagonist activity. Nifedipine hydrochloride is a useful antianginal compound that can also lower blood pressure. Nifedipine hydrochloride exhibits comparable antihypertensive properties to some new compounds, especially in calcium channel blockade. Nifedipine hydrochloride is used in biological activity studies to develop new antihypertensive and/or antianginal compounds.
    Nifedipine hydrochloride
  • HY-W740651
    Jasmolin II
    		Activator
    Jasmolin II is an insecticide targeting voltage-gated sodium channels in insects. Jasmolin II leads to neuronal hyperexcitation and insect paralysis. Jasmolin II is promising for research of agricultural pests.
    Jasmolin II
  • HY-B2080
    Etidocaine
    		Inhibitor
    Etidocaine (EDC) is a long aminoamide local anesthetic.
    Etidocaine
  • HY-161572
    Nav1.8-IN-13
    		Inhibitor
    Nav1.8-IN-13 (compound 16) is a Nav1.8 inhibitor (pIC50=7.9).
    Nav1.8-IN-13
  • HY-P1681
    GpTx-1
    		Antagonist
    GpTx-1 is a peptide-based NaV1.7 sodium channel antagonist isolated from the venom of the Chilean spider Grammostola porter. GpTx-1 demonstrates potent inhibitory activity against the NaV1.7 channel with an IC50 value of 10 nM, while exhibiting excellent selectivity for NaV1.4 (IC50 = 0.301 μM) and NaV1.5 (IC50 = 4.20 μM), showing >20-fold and >950-fold selectivity respectively.
    GpTx-1
  • HY-B0563BS
    Ropivacaine-d7 hydrochloride
    		Inhibitor
    Ropivacaine-d7 hydrochloride is a deuterium labeled Ropivacaine (hydrochloride) (HY-B0563B). Ropivacaine hydrochloride is a potent sodium channel blocker and blocks impulse conduction via reversible inhibition of sodium ion influx in nerve fibrese. 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. Ropivacaine is widely used for neuropathic pain management in vivo.
    Ropivacaine-d<sub>7</sub> hydrochloride
  • HY-161085
    BI 1265162
    		Inhibitor
    BI 1265162 is a potent inhibitor of endothelial sodium channel (ENaC) that plays an important role in cystic fibrosis research.
    BI 1265162
  • HY-126005
    VGSC blocker-1
    		Inhibitor
    VGSC blocker-1 is a potent and small molecule blocker of neonatal isoform of the VGSC subtype, Nav1.5 (nNav1.5). VGSC blocker-1 blocks INa peak currents 34.9% at 1 μM and inhibits cell invasion 0.3% at 1 μM in human breast cancer cell line MDA-MB-231, without affecting the cell viability.
    VGSC blocker-1
  • HY-W031620
    VGSCs-IN-1
    		Inhibitor 99.92%
    VGSCs-IN-1 (compound 14), a 2-piperazine analog of Riluzole (HY-B0211), is a human voltage-gated sodium channels (VGSCs) inhibitor. VGSCs-IN-1 shows great Nav1.4 blocking activity. VGSCs-IN-1 has a pKa of 7.6 and a cLog P of 2.4. VGSCs-IN-1 can be used for cell excitability disorders research.
    VGSCs-IN-1
  • HY-P5800
    Phlo1b
    		Inhibitor
    Phlo1b (μ-TrTx-Phlo1b) is a peptide toxin contains 35-amino acid residues. Phlo1b is a selective Nav1.7 inhibitor. Phlo1b has a weak inhibitory effect on Nav1.2 and Nav1.5.
    Phlo1b
  • HY-P5771
    Jingzhaotoxin-IX
    		Inhibitor
    Jingzhaotoxin-IX, a C-terminally amidated peptide composed of 35 amino acid residues, is a neurotoxin. Jingzhaotoxin-IX inhibits voltage-gated sodium channels (both tetrodotoxin-resistant and tetrodotoxin-sensitive isoforms) and Kv2.1 channel. Jingzhaotoxin-IX has no effect on delayed rectifier potassium channel Kv1.1, 1.2 and 1.3.
    Jingzhaotoxin-IX
  • HY-B0516R
    Articaine hydrochloride (Standard)
    		Inhibitor
    Articaine (Hoe-045) hydrochloride (Standard) is the analytical standard of Articaine hydrochloride (HY-B0516). This product is intended for research and analytical applications. Articaine (Hoe-045) hydrochloride is a selective inhibitor of voltage-gated sodium channels (such as rNav1.4, hNav1.7, and rNav1.8), with an IC50 of 15.8 μM for open-state Na+ channels, and IC50 of 40.6 μM and 378 μM for inactivated and resting-state Na+ channels, respectively. Articaine hydrochloride exerts local anesthetic activity by inhibiting Na+ influx to block nerve impulse conduction, and can also inhibit NF-κB activation and NLRP3 inflammasome pathways, exhibiting anti-inflammatory function. Articaine hydrochloride can be used in the study of dental local anesthesia and inflammatory-related diseases (such as acute kidney injury).
    Articaine hydrochloride (Standard)
  • HY-P5868
    mHuwentoxin-IV
    		Inhibitor
    mHuwentoxin-IV is a naturally modified Huwentoxin-IV (HY-P1220). mHuwentoxin-IV inhibits tetrodotoxin-sensitive (TTX-S) voltage-gated sodium channels of dorsal root ganglion neurons with an IC50 of 54.16 nM. mHuwentoxin-IV inhibition of tetrodotoxin-sensitive sodium channels is not reversed by strong depolarization voltages.
    mHuwentoxin-IV
  • HY-P1219
    Jingzhaotoxin-III
    		Inhibitor
    Jingzhaotoxin-III is a potent and selective blocker of Nav1.5 channels, with an IC50 of 348 nM, and shows no effect on other sodium channel isoforms. Jingzhaotoxin-III can selectively inhibit the activation of cardiac sodium channel but not neuronal subtypes, and hopefully represents an important ligand for discriminating cardiac VGSC subtype.
    Jingzhaotoxin-III
Cat. No. Product Name / Synonyms Application Reactivity
Sodium Channel Isoform Comparison

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