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Nigericin sodium salt is a potassium ionophore, exchanges K+ for H+ across biological membranes, in a similar manner to Valinomycin. Stimulates mitochondral ATPase activity and disrupts membrane potential. Also acts as an ionophore for Pb2+ with no activity with other divalent cations. Antibiotic derived from Streptomyces hygroscopius. Nigericin sodium salt is also an NLRP3 activator which can activate NLRP3 inflammasome to induce pro-inflammatory and immunostimulatory processes.
| Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
| Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
| Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
| Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
| Molecular Weight | 746.94 |
| Formula | C40H67NaO11 |
| CAS Number | 28643-80-3 |
| Purity | >98% |
| Solubility | Ethanol ≥ 30 mg/mL |
| Storage | 2-8°C, dry, protect from light, sealed |
| Related Potassium Channel Products |
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| L-Palmitoylcarnitine
L-palmitoyl carnitine is a long-chain acylcarnitine and fatty acid metabolite that accumulates in the sarcoid during ischemia and disrupts the membrane lipid environment. L-palmitoylcarnitine inhibits KATP channel activity by interacting with Kir6.2 without affecting single channel conductance. |
| OR-1896
Or-1896 is an active longevity metabolite of Levosimendan. Or-1896, a highly selective phosphodiesterase (PDE III) inhibitor, is a powerful vasodilator. |
| Tetraethylammonium chloride
Tetraethylammonium chloride is a non-selective potassium channel blocker with antitumor properties. |
| Charybdotoxin TFA
Charybdotoxin TFA, a 37-amino acid peptide, is a K+ channel blocker. |
| AUT1
AUT1 is a Kv3 potassium channel modulator which increases whole currents mediated by human Kv3.1b and Kv3.2a channels, with a concomitant leftward shift in the voltage-dependence of activation, while having a less potent effect on hKv3.3 currents. |
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