| Assay Method Information | |
| | Inhibition of Recombinant TASK-1 and TASK-3 In Vitro |
| Description: | The investigations on the inhibition of the recombinant TASK-1 and TASK-3 channels were conducted using stably transfected CHO cells. The compounds of the invention were tested here with administration of 40 mM of potassium chloride in the presence of a voltage-sensitive dye using the method described in detail in the following references [Whiteaker et al., Validation of FLIPR membrane potential dye for high-throughput screening of potassium channel modulators, J. Biomol. Screen. 6 (5), 305-312 (2001); Molecular Devices FLIPR Application Note: Measuring membrane potential using the FLIPR membrane potential assay kit on Fluorometric Imaging Plate Reader (FLIPR ) systems, http://www.moleculardevices.com/reagents-supplies/assay-kits/ion-channels/flipr-membrane-potential-assay-kits]. The activity of the test substances was determined as their ability to inhibit a depolarization induced in the recombinant cells by 40 mM potassium chloride. The concentration which can block half of this depolarization is referred to as IC50. |
| Affinity data for this assay | |
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