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Epothilone A (Epo A) is a microtubule-stabilizing agent with EC0.01 of 2 μM.
Pack Size | Price | Availability | Quantity |
---|---|---|---|
5 mg | $43 | In Stock | |
10 mg | $71 | In Stock | |
25 mg | $143 | In Stock | |
50 mg | $218 | In Stock | |
100 mg | $328 | In Stock | |
200 mg | $467 | In Stock | |
1 mL x 10 mM (in DMSO) | $47 | In Stock |
Description | Epothilone A (Epo A) is a microtubule-stabilizing agent with EC0.01 of 2 μM. |
Targets&IC50 | Tubulin:2 μM(EC0.01) |
In vivo | Epothilone A induces microtubule polymerization, causing cell cycle arrest at the G2-M phase, and exhibits cytotoxicity, as well as induces apoptosis. It effectively inhibits the proliferation of HCT116 cells with an IC50 of 4.4 nM. Epothilone A possesses cytotoxicity against KB3-1, KBV-1, Hela, and Hs578T cells with IC50 values ranging from 13 nM to 160 nM. Additionally, Epothilone A competitively binds to microtubules against paclitaxel, with an IC50 of 2.3 μM. |
Kinase Assay | Tubulin polymerization assay: Samples for electron microscopy are placed on carbon-over-Parlodion-coated grids (300 mesh) and negatively stained with 2% uranyl acetate. Microtubule assembly in the presence or absence of Epothilone A is monitored spectrophotometrically by using a spectrophotometer equipped with a thermostatically regulated liquid circulator. The temperature is held at 35 °C and changes in turbidity (representative of polymer mass) are monitored at 350 nm. Effective concentration (EC0.01), defined as the interpolated concentration capable of inducing an initial slope of 0.01 OD/min rate, is calculated using the formula EC0.01 = concentration/slope. |
Cell Research | Cell lines: KB3-1,KBV-1,Hela,and Hs578T cells. Concentrations: 0–2 μM. Method: cells are plated either in 48-well plates (for trypan blue and cell counting) or onto coverslips.After 24 hours,cells are treated with Epothilone A and are scored at regular intervals.For the cytotoxicity analysis,cells are counted and scored as trypan blue positive or negative. |
Alias | epothile, Epo A |
Molecular Weight | 493.66 |
Formula | C26H39NO6S |
Cas No. | 152044-53-6 |
Smiles | C[C@H]1CCC[C@H]2O[C@H]2C[C@H](OC(=O)C[C@H](O)C(C)(C)C(=O)[C@H](C)[C@H]1O)C(\C)=C\c1csc(C)n1 |
Relative Density. | 1.143g/cm3 |
Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. | |||||||||||||||||||||||||||||||||||
Solubility Information | H2O: < 1 mg/mL (insoluble or slightly soluble) Ethanol: 92 mg/mL (186.4 mM) DMSO: 92 mg/mL (186.4 mM) | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
Ethanol/DMSO
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