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Biological Activity for Ouabain
Ouabain is a selective Na+, K+-ATPase inhibitor. Cardiotonic agent. Also exhibits anti-MERS-CoV activity in Vero cells in vitro (IC50 = 0.08 μM).
Technical Data for Ouabain
|Storage||Store at -20°C|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Solubility Data for Ouabain
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions for Ouabain
The following data is based on the product molecular weight 584.66. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|1 mM||1.71 mL||8.55 mL||17.1 mL|
|5 mM||0.34 mL||1.71 mL||3.42 mL|
|10 mM||0.17 mL||0.86 mL||1.71 mL|
|50 mM||0.03 mL||0.17 mL||0.34 mL|
References for Ouabain
References are publications that support the biological activity of the product.
Croyle et al (1997) Extensive random mutagenesis analysis of the Na/K+ ATPase alpha subunit identifies known and previously unidentified amino acid residues that alter ouabain sensitivity-implications for ouabain binding. Eur.J.Biochem. 248 488 PMID: 9346307
Hosoi et al (1997) Isoform-specific up-regulation by ouabain of Na+, K+-ATPase in cultured rat astrocytes. J.Neurochem. 69 2189 PMID: 9349566
Marjorie et al (1997) Ouabain improves cardiac function in vivo in rats with heart failure after chronic but not acute treatment. Naunyn Schmiedebergs Arch.Pharmacol. 356 203 PMID: 9272726
Merck Index 12 7031
Ko et al (2020) Screening of FDA-approved drugs using a MERS-CoV clinical isolate from South Korea identifies potential therapeutic options for COVID-19. BioRxiv - Paper not yet peer reviewed
If you know of a relevant reference for Ouabain, please let us know.
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Keywords: Ouabain, Ouabain supplier, Na+K+-ATPases, inhibitors, inhibits, Ion, Pumps, Transporters, COVID-19, MERS-CoV, middle, eastern, respiratory, virus, coronavirus, Na+/K+, ATPase, Coronavirus, 1076, Tocris Bioscience
9 Citations for Ouabain
Citations are publications that use Tocris products. Selected citations for Ouabain include:
Babola et al (2020) Purinergic signaling in cochlear supporting cells reduces hair cell excitability by increasing the extracellular space. Elife 9 e52160 PMID: 31913121
Genda et al (2011) Co-compartmentalization of the astroglial glutamate transporter, GLT-1, with glycolytic enzymes and mitochondria. J Neurosci 31 18275 PMID: 22171032
Romanos et al (2019) Differences in glutamate uptake between cortical regions impact neuronal NMDA receptor activation. Commun Biol 2 127 PMID: 30963115
Pál et al (2015) Appearance of fast astrocytic component in voltage-sensitive dye imaging of neural activity. Nat Neurosci 8 35 PMID: 26043770
Zhang et al (2019) A CASPR1-ATP1B3 protein interaction modulates plasma membrane localization of Na+/K+-ATPase in brain microvascular endothelial cells. J Biol Chem PMID: 30792309
Woo et al (2019) Pharmacological Dissection of Intrinsic Optical Signal Reveals a Functional Coupling between Synaptic Activity and Astrocytic Volume Transient. Exp Neurobiol 28 30 PMID: 30853822
Ismael-Badarneh et al (2015) The Role of Angiotensin II and Cyclic AMP in Alveolar Active Sodium Transport. PLoS One 10 e0134175 PMID: 26230832
Yin et al (2018) The potassium channel KCNJ13 is essential for smooth muscle cytoskeletal organization during mouse tracheal tubulogenesis. Nat Commun 9 2815 PMID: 30022023
Grassin-Delyle et al (2013) The expression and relaxant effect of bitter taste receptors in human bronchi. Respir Res 14 134 PMID: 24266887
Do you know of a great paper that uses Ouabain from Tocris? Please let us know.
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Literature in this Area
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