Potassium ionophore
A potassium ionophore. Induces mitochondrial swelling. Induces apoptosis in CHO cells and other cell lines. Antagonizes endothelin-induced vasoconstriction (IC50=0.3µM).
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Product Details
Appearance |
White crystalline solid. |
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CAS |
2001-95-8 |
Formula |
C54H90N6O18 |
MW |
1111.3 |
Purity |
≥97% (TLC), ≥92% (HPLC) |
Solubility |
Soluble in 100% ethanol (50mg/ml), acetic acid, chloroform, DMSO or ether. |
Source |
Isolated from Streptomyces fulvissimus |
Handling & Storage
Use/Stability |
As indicated on product label or CoA when stored as recommended. Store, as supplied, at -20°C for up to 1 year. Store solutions at -20°C for up to 3 months. |
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Long Term Storage |
-20°C |
Shipping |
Ambient Temperature |
Regulatory Status |
RUO – Research Use Only |
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- Development and characterization of phospho-ubiquitin antibodies to monitor PINK1-PRKN signaling in cells and tissue: Watzlawik, J. O., Hou, X., et al.; Autophagy 20, 2076 (2024), Abstract
- Development and characterization of phospho-ubiquitin antibodies to monitor PINK1-PRKN signaling in cells and tissue: Watzlawik, J. O., Hou, X., et al.; bioRxiv , (2024)
- Sensitive ELISA-based detection method for the mitophagy marker p-S65-Ub in human cells, autopsy brain, and blood samples: J.O. Watzlawik, et al.; Autophagy 17, 2613 (2021), Abstract — Full Text
- Valinomycin-induced apoptosis in Chinese hamster ovary cells: R. Abdalah, et al.; Neurosci. Lett. 405, 68 (2006), Abstract
- Cyclosporin A does not protect the disruption of the inner mitochondrial membrane potential induced by potassium ionophores in intact K562 cells: L.F. Marques-Santos, et al.; Cell Biol. Int. 30, 197 (2006), Abstract
- Selective cytotoxic activity of valinomycin against HT-29 Human colon carcinoma cells via down-regulation of GRP78: I.-J. Ryoo, et al.; Biol. Pharm. Bull. 29, 817 (2006), Abstract
- Valinomycin-induced apoptosis of human NK cells is predominantly caspase independent: A. Paananen, et al.; Toxicology 212, 37 (2005), Abstract
- Induction of apoptosis by valinomycin: mitochondrial permeability transition causes intracellular acidification: I.J. Furlong, et al.; Cell Death Differ. 5, 214 (1998), Abstract
- Valinomycin induces apoptosis of ascites hepatoma cells (AH-130) in relation to mitochondrial membrane potential: Y. Inai, et al.; Cell. Struct. Funct. 22, 555 (1997), Abstract
- Combination of the electrogenic ionophores, valinomycin and CCCP, can lead to non-electrogenic K+/H+ exchange on bilayer lipid membranes: V.N. Orlov, et al.; FEBS Lett. 345, 104 (1994), Abstract
- The effect of respiration on the permeability of the mitochondrial membrane to ions: S. Luvisetto, et al.; Biochim. Biophys. Acta 1186, 12 (1994), Abstract
- K+ ionophores inhibit nerve growth factor-induced neuronal differentiation in rat adrenal pheochromocytoma PC12 cells: H. Harada, et al.; Biochim. Biophys. Acta 1220, 310 (1994), Abstract
- Alternative pathways of apoptosis induced by methylprednisolone and valinomycin analyzed by flow cytometry: C.L. Deckers, et al.; Exp. Cell. Res. 208, 362 (1993), Abstract
- Comparison of effects of a potassium channel opener BRL34915, a specific potassium ionophore valinomycin and calcium channel blockers on endothelin-induced vascular contraction: S. Kim, et al.; Biochem. Biophys. Res. Commun. 164, 1003 (1989), Abstract
- Valinomycin-based K+ selective microelectrodes with low electrical membrane resistance: D. Ammann, et al.; Neurosci. Lett. 74, 221 (1987), Abstract
- Opposing interactions of ionophores (valinomycin and monensin) on calcium ion uptake in rat retinal preparations: J.B. Lombardini; Neurochem. Res. 10, 77 (1985), Abstract
- Biological applications of ionophores: B.C. Pressman; Annu. Rev. Biochem. 45, 501 (1976), Abstract
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