1. Signaling Pathways
  2. Membrane Transporter/Ion Channel
  3. P2X Receptor

P2X Receptor

P2X receptors are a family of seven (P2X1R-P2X7R) cation permeable ligand-gated ion channels (LGICs) that open in response to binding by the extracellular ligand, adenosine 5′-triphosphate (ATP). P2X receptors have a high permeability to Ca2+, Na+, and K+ and are expressed widely throughout the nervous, immune, cardiovascular, skeletal, gastrointestinal, respiratory, and endocrine systems.

P2X receptors are widely expressed in excitatory and non-excitatory cells, such as neuron, glia, platelet, epithelia and macrophage, and participate in many important physiological and pathological processes, including synaptic transmission, pain perception, inflammation, cardiovascular modulation, immunomodulation and tumorigenesis.

P2X Receptor Related Products (46):

Cat. No. Product Name Effect Purity
  • HY-50697
    Antagonist 98.31%
    A-740003 is a potent, selective and competitive P2X7 receptor antagonist with IC50 values are 18 and 40 nM for rat and human P2X7 receptors, respectively.
  • HY-15488A
    A 438079 hydrochloride
    Antagonist 99.88%
    A 438079 (hydrochloride) is a potent, and selective P2X7 receptor antagonist with pIC50 of 6.9.
  • HY-101588
    Antagonist 99.32%
    Gefapixant (MK-7264) is an orally active P2X3 receptor (P2X3R) antagonist with IC 50s of ~30 nM versus recombinant hP2X3 homotrimers and 100-250 nM at hP2X2/3 heterotrimeric receptors.
  • HY-13290
    Antagonist 99.45%
    KN-62 is a selective and potent inhibitor of calmodulin-dependent protein kinase II (CaMK-II) with IC50 of 0.9 μM, KN-62 also displays noncompetitive antagonism at P2X7 receptors in HEK293 cells, with an IC50 value of approximately 15 nM.
  • HY-100483
    Antagonist 98.77%
    A-804598 is a CNS penetrant, competitive and selective P2X7 receptor antagonist with IC50s of 9 nM, 10 nM and 11 nM for mouse, rat and human P2X7 receptors, respectively.
  • HY-137451A
    Antagonist 98.64%
    (E/Z)-Sivopixant (Compound I-127) is a potent P2X3 receptor antagonist with an IC50 of 4 nM. (E/Z)-Sivopixant can be used for respiratory diseases research.
  • HY-123857
    Antagonist 99.95%
    JNJ-55308942 is a high-affinity, selective, brain-penetrant P2X7 functional antagonist (hP2X7: IC50=10 nM, Ki=7.1 nM; rP2X7: IC50=15 nM, Ki=2.9 nM). JNJ-55308942 is orally bioavailable, binds to brain P2X7 and blocks IL-1β release from adult rodent brain.
  • HY-109170
    Eliapixant (BAY 1817080) is a potent and selective antagonist of P2X3 receptor, with an IC50 of 8 nM. Eliapixant can be used for the research of refractory chronic cough.
  • HY-15488
    A 438079
    Antagonist 99.74%
    A 438079 is a potent, and selective P2X7 receptor antagonist with pIC50 of 6.9.
  • HY-136254
    BzATP triethylammonium salt
    BzATP triethylammonium salt acts as a P2X receptor agonist with pEC50s of 8.74, 5.26, 7.10, 7.50, 6.19, 6.31, 5.33 for P2X1, P2X2, P2X3, P2X2/3, P2X4 and P2X7, respectively. BzATP triethylammonium salt is potent at P2X7 receptors with EC50s of 3.6 μM and 285 μM for rat P2X7 and mouse P2X7, respectively.
  • HY-135976
    P2X3 antagonist 34
    Antagonist 99.42%
    P2X3 antagonist 34 is a potent, selective and orally active P2X3 homotrimeric receptor antagonist with IC50s of 25 nM, 92 nM and 126 nM for human P2X3, rat P2X3 and guinea pig P2X3 receptors, respectively. P2X3 antagonist 34 is less active against human, rat and guinea pig P2X2/3 heterotrimeric receptors. P2X3 antagonist 34 has strong anti-tussive effect.
  • HY-19427A
    AZD9056 hydrochloride
    Inhibitor 98.82%
    AZD9056 hydrochloride is a selective orally active inhibitor of P2X7 which plays a significant role in inflammation and pain-causing diseases.
  • HY-122575
    Aurintricarboxylic acid
    Aurintricarboxylic acid is a nanomolar-potency, allosteric antagonist with selectivity towards αβ-methylene-ATP-sensitive P2X1Rs and P2X3Rs, with IC50s of 8.6 nM and 72.9 nM for rP2X1R and rP2X3R, respectively. Aurintricarboxylic acid is a potent anti-influenza agent by directly inhibiting the neuraminidase. Aurintricarboxylic acid is an inhibitor of topoisomerase II and apoptosis. Aurintricarboxylic acid is a selective inhibitor of the TWEAK-Fn14 signaling pathway. Aurintricarboxylic acid also acts as a cystathionine-lyase (CSE) inhibitor with an IC50 of 0.6 μM. Aurintricarboxylic acid is a modifier of miRNAs that regulate miRNA function, with an IC50 of 0.47 µM.
  • HY-130605
    Antagonist 98.66%
    BAY-1797 is a potent, orally active, and selective P2X4 antagonist, with an IC50 of 211 nM against human P2X4. BAY-1797 displays no or very weak activity on the other P2X ion channels. BAY-1797 shows anti-nociceptive and anti-inflammatory effects.
  • HY-108669
    AZ10606120 dihydrochloride
    Antagonist 99.04%
    AZ10606120 dihydrochloride is a selective, high affinity antagonist for P2X7 receptor (P2X7R) at human and rat with an IC50 of ~10 nM. AZ10606120 dihydrochloride is little or no effect at other P2XR subtypes. AZ10606120 dihydrochloride has anti-depressant effects and reduces tumour growth.
  • HY-15568
    Antagonist 99.28%
    A-317491 is a potent, selective and non-nucleotide antagonist of P2X3 and P2X2/3 receptors, with Kis of 22, 22, 9, and 92 nM for hP2X3, rP2X3, hP2X2/3, and rP2X2/3, respectively. A-317491 is highly selective (IC50>10 μM) over other P2 receptors and other neurotransmitter receptors, ion channels, and enzymes. A-317491 reduces inflammatory and neuropathic pain by blocking P2X3 and P2X2/3 receptor-mediated calcium flux.
  • HY-101910
    Antagonist 99.06%
    PSB-12062 is a potent and selective P2X4 antagonist with an IC50 of 1.38 μM for human P2X4.
  • HY-101418
    Antagonist 99.77%
    JNJ-47965567 is a centrally permeable, high-affinity, selective P2X7 antagonist, with pKis of 7.9 and 8.7 for human and rat P2X7, respectively. JNJ-47965567 can be used to probe the role of central P2X7 in rodent models of CNS pathophysiology.
  • HY-14483
    Antagonist ≥98.0%
    AF-353 (Ro-4) is a potent, selective and orally bioavailable P2X3/P2X2/3 receptor antagonist, with a pIC50 of 8.0 for both human and rat P2X3, and with a pIC50 of 7.3 for human P2X2/3.
  • HY-101044
    PPADS tetrasodium
    PPADS tetrasodiuma is a non-selective P2X receptor antagonist. PPADS tetrasodiuma blocks recombinant P2X1, -2, -3, -5 with IC50s ranging from 1 to 2.6 μM. PPADS tetrasodiuma blocks native P2Y2-like (IC50~0.9 mM) and recombinant P2Y4 (IC50~15 mM) receptors. PPADS tetrasodiuma is an inhibitor of the reverse mode of the Na/Ca²⁺exchanger in guinea pig airway smooth muscle.
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