50-54-4
Chemical Structure
Quinidine sulfate
- CAS. Nr.: 50-54-4
- Formula:C20H26N2O6S
- Molecular Weight:373.46
SMILES: O=S(O)(O)=O.C=C[C@H]1C[N@](CC[C@H]1C2)[C@@]2([H])[C@@H](O)C3=CC=NC4=CC=C(OC)C=C34.[0.5]
Biological Activity: Quinidine sulfate is an orally active antiarrhythmic agent. Quinidine sulfate reduces the expression level of P-gp, inhibits P-gp-mediated efflux, increases the intracellular accumulation of P-gp substrates, induces PARP cleavage and Caspase-3 activation, and elevates the proportion of Apoptotic cells at the sub-G1 phase. Quinidine sulfate exerts sustained block and open-channel block effects on IK(f). Quinidine sulfate alters the urinary metabolic ratio of Amphetamine, modulates the Pentylenetetrazol-induced seizure threshold, and regulates the anticonvulsant effect of Dextromethorphan. Quinidine sulfate can be used in studies related to uterine sarcoma and seizures[1][2][3][4].
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Quinidine sulfate | Quinidine sulfate is an orally active antiarrhythmic agent. Quinidine sulfate reduces the expression level of P-gp, inhibits P-gp-mediated efflux, increases the intracellular accumulation of P-gp substrates, induces PARP cleavage and Caspase-3 activation, and elevates the proportion of Apoptotic cells at the sub-G1 phase. Quinidine sulfate exerts sustained block and open-channel block effects on IK(f). Quinidine sulfate alters the urinary metabolic ratio of Amphetamine, modulates the Pentylenetetrazol-induced seizure threshold, and regulates the anticonvulsant effect of Dextromethorphan. Quinidine sulfate can be used in studies related to uterine sarcoma and seizures. | |||||||||||||||||||||
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References
- [1]. Lee SY, et al. Hydrocinchonine, cinchonine, and quinidine potentiate paclitaxel-induced cytotoxicity and apoptosis via multidrug resistance reversal in MES-SA/DX5 uterine sarcoma cells. Environ Toxicol. 2011 Aug;26(4):424-31. [Content Brief]
- [2]. Kehl SJ, et al. Quinidine-induced inhibition of the fast transient outward K+ current in rat melanotrophs. Br J Pharmacol. 1991;103(3):1807-1813. [Content Brief]
- [3]. Moody DE, et al. Quinidine inhibits in vivo metabolism of amphetamine in rats: impact upon correlation between GC/MS and immunoassay findings in rat urine. J Anal Toxicol. 1990;14(5):311-317. [Content Brief]
- [4]. Jamali H, et al. Effect of dextromethorphan/quinidine on pentylenetetrazole- induced clonic and tonic seizure thresholds in mice. Neurosci Lett. 2020;729:134988. [Content Brief]
