| Assay Method Information | |
| | Binding Assay |
| Description: | cDNA sequence encoding mouse NPY Y5 receptor (Biochem. Biophys. Acta 1328: 83-89, 1997) was cloned in the expression vector (pME18S, Takebe et al. Mol. Cell. Biol. 8, 466-472). The obtained expression vector was transfected into CHO cells as a host according to the instruction manual using Lipofectamine reagent (Trademark, Gibco BRL Co., Ltd.). The cells that stably express NPY Y5 receptor were obtained.The membrane samples prepared from the CHO cells expressing NPY Y5 receptor, the compound of the invention and 30,000 cpm 125I peptide YY (60 pM of final concentration: Amersham) were incubated in the assay buffer (20 mM HEPES-Hanks buffer containing 0.1% bovine serum albumin, pH 7.4) at 25° C. for 2 hours. The membrane samples were then filtered from the mixture through a glassfilter (GF/C) presoaked with 1% polyethyleneimine. After washing with 50 mM Tris-HCl buffer (pH 7.4), radioactivity retained on the filters was determined using gamma counter. |
| Affinity data for this assay | |
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