| Assay Method Information | |
| | Glycine Uptake Assay |
| Description: | [3H]-Glycine uptake into recombinant CHO cells expressing human GlyT1: Human GlyT1c expressing recombinant hGlyT1c_5_CHO cells were plated at 20,000 cells per well in 96 well Cytostar-T scintillation microplates (Amersham Biosciences) and cultured to sub-confluency for 24 h. For glycine uptake assays the culture medium was aspirated and the cells were washed once with 100 ul HBSS (Gibco BRL, #14025-050) with 5 mM L-Alanine (Merck #1007). 80 ul HBSS buffer were added, followed by 10 ul inhibitor or vehicle (10% DMSO) and 10 ul [3H]-glycine (TRK71, Amersham Biosciences) to a final concentration of 200 nM for initiation of glycine uptake. The plates were placed in a Wallac Microbeta (PerkinElmer) and continuously counted by solid phase scintillation spectrometry during up to 3 hours. Nonspecific uptake was determined in the presence of 10 uM Org2 4598. IC50 calculations were made by four-parametric logistic nonlinear regressi on analysis (GraphPad Prism). |
| Affinity data for this assay | |
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