TNP-ATP tetrasodium
TNP-ATP is an antagonist of purinergic P2Y1, P2X3, and P2X2/3 receptors (IC50 = 6, 0.9, and 7 nM, respectively, in HEK293 cells expressing human receptors). TNP-ATP reduces acetate-induced calcium flux in 1321N1 cells expressing P2X3 and P2X2/3 receptors (IC50 = 100 and 62 nM, respectively). TNP-ATP dose-dependently attenuates acetate-induced abdominal contractions in a mouse visceral pain model (ED50 = 6.35 µmol/kg)[1][2].
For research use only. We do not sell to patients.
- Formula: C16H13N8Na4O19P3
- Molecular Weight:806.20
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
- Protocols
- Purity & Documentation
- References
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Help & FAQs
Biological Activity
Description
IC50 & Target
[1]|
P2Y1 Receptor 6 nM (IC50) |
P2X3 Receptor 0.9 nM (IC50) |
Chemical Information
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Molecular Weight 806.20
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Formula C16H13N8Na4O19P3
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SMILES
O=[N](C(C1(C([N](=O)=O)=C2)O[C@]([C@@](N3C4=NC=NC(N)=C4N=C3)([H])O[C@@H]5CO[P](O[P](O[P](O[Na])(O[Na])=O)(O[Na])=O)(O[Na])=O)([H])[C@]5([H])O1)=CC2[N](=O)=O)=O
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Please store the product under the recommended conditions in the Certificate of Analysis.
Protocols
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Cell Cytotoxicity Assay
Cytotoxicity assays are usually based on the assessment of cell membrane damage, which can also be indirectly detected by measuring cell viability. Detection methods include MTT assay, CKK-8 assay, LDH assay and ATP assay, etc.
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Ca2+ Staining Technique
Ca2+ staining is an experimental technique that utilizes specific fluorescent probes (such as Fluo-4 AM, Fura-2, etc.) to qualitatively or quantitatively detect dynamic changes in intracellular Ca2+ concentrations; this is achieved by monitoring the changes in fluorescent signals generated when these probes bind to free intracellular calcium ions. The underlying principle relies primarily on the presence of chelating groups within the probe's molecular structure that possess high affinity for calcium ions.
Purity & Documentation
References
[1]. Honore P, et al. TNP-ATP, a potent P2X3 receptor antagonist, blocks acetic acid-induced abdominal constriction in mice: comparison with reference analgesics. Pain. 2002 Mar;96(1-2):99-105. [Content Brief]
[2]. Virginio C, et al. Trinitrophenyl-substituted nucleotides are potent antagonists selective for P2X1, P2X3, and heteromeric P2X2/3 receptors. Mol Pharmacol. 1998 Jun;53(6):969-73. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
TNP-ATP tetrasodium Related Classifications
HY-137610A Related Classifications
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