Assay Method Information |
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| Binding Assay |
Description: | Measurement of EP2 receptor binding action was performed in accordance with the method of Abramovitz et al. (Biochimica et Biophysica Acta, 1483, 285 (2000)). A test compound dissolved in dimethyl sulfoxide (final concentration: 1.0 (V/V) %) and [3H]prostaglandin E2 (NET-428, manufactured by PerkinElmer) (final concentration: 10 nM) were added to a buffer solution (10 mM MES-KOH (pH 6.0), 10 mM MgCl2, 1 mM EDTA) in which 10 μg of a membrane fraction of HEK293 cells expressing human EP2 receptor (ES-562-M, manufactured by Euroscreen) was suspended, and then incubated at 30° C. for 60 minutes. The membrane fraction was recovered on glass fiber filter paper (GF/B, manufactured by Whatman) using a cell harvester (M30R, manufactured by Brandel), and after washing with a buffer solution (10 mM MES-KOH (pH 6.0), 10 mM MgCl2), radioactivity was measured with a liquid scintillation analyzer (2000CA, manufactured by Packard). |
Affinity data for this assay | |
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