Quinine hydrochloride is the hydrochloride form of Quinine, an alkaloid extracted from the bark of the cinchona tree, with antimalarial and antitumor activities, and an IC50 value of 60 ng/mL against P. falciparum strains passou and 107.8 ng/mL against P. falciparum strain 3CD7, respectively, and an inhibitor of potassium channels. Quinine hydrochloride is also a potassium channel inhibitor that inhibits voltage pulse-induced MT mSlo3 (KCa5.1) channel +100 mV currents, with an IC50 value of 169 μM. In addition, Quinine hydrochloride binds to purine nucleoside phosphorylase (PfNP) and PfNP with low nanomolar affinity. nucleoside phosphorylase (PfPNP) with low nanomolar affinity.
| Molecular Weight | 360.88 |
| Formula | C20H24N2O2.HCl |
| CAS Number | 130-89-2 |
| Solubility (25°C) | Water 33 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| 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.
| Related Potassium Channel Products |
|---|
| NPBA
NPBA is a potassium K2P channel TASK-3 (KCNK9) agonist and a tandem pore domain weak inward rectifier K+ channel (TWIK2) channel blocker. In addition, NPBA inhibits the activation of NLRP3 inflammasome in macrophages. |
| BeKm-1
BeKm-1 is a HERG (human ether-a-go-go-related gene) blocking compound. |
| Apamin
Apamin (Apamine) is a specifically selective blocker of Ca2+-activated K+ (SK) channels and exhibits anti-inflammatory and anti-fibrotic activity. |
| Phe-Met-Arg-Phe amide trifluoroacetate
Phe-Met-Arg-Phe amide trifluoroacetate is an activator of K+ current, with ED50 of 23 nM in the peptidergic caudodorsal neurons. |
| Iberiotoxin
Iberiotoxin is a toxin isolated from Buthus tamulus scorpion venom. |
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