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Assay Method Information

Assay Name:  Radioligand Binding Assay
Description:  Assay Volume and Format:200 μl in 96-well plateCell membrane homogenates (20 μg protein) are incubated for 120 min at 22 C. with 0.5 nM [3H]PGE2 in the absence or presence of the test compound in a buffer containing 10 mM MES/KOH (pH 6.0), 10 mM MgCl2 and 1 mM EDTA.Nonspecific binding is determined in the presence of 10 M PGE2.Following incubation, the samples are filtered rapidly under vacuum through glass fiber filters (GF/B, Packard) presoaked with 0.3% PEI and rinsed several times with ice-cold 50 mM Tris-HCl using a 96-sample cell harvester (Unifilter, Packard). The filters are dried then counted for radioactivity in a scintillation counter (Topcount, Packard) using a scintillation cocktail (Microscint 0, Packard).
Affinity data for this assay
 

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Last update November 1, 2007
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