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Assay Method Information

Assay Name:  Calcium Mobilization Assay
Description:  The rmGluR5 or hmGluR5 was stably expressed in a HEK 293 cell line and gown in Dulbecco's Modified Eagle Medium (DMEM) (Invitrogen, Carlsbad, Calif.) with supplements (10% bovine calf serum, 4 mM glutamine, 100 units/mL penicillin, 100 μg/mL streptomycin and 0.75 mM G1418) at 37° C., 5% CO2. Twenty-four hours prior to assay, cells were seeded into 384-well black wall microtiter plates coated with poly-D-lysine. Just prior to assay, media was aspirated and cells dye-loaded (25 μL/well) with 3 μM Fluo-4/0.01% pluronic acid in assay buffer (Hank's Balanced Saline Solution (HBSS)): 150 mM NaCl, 5 mM KCl, 1 mM CaCl2, 1 mM MgCl2, plus 20 mM N-2-Hydroxyethylpiperazine-N′-2-ethanesulfonic acid (HEPES), pH 7.4, 0.1% bovine serum albumin (BSA) and 2.5 mM probenecid) for 1 hour in 5% CO2 at 37° C. After excess dye was discarded, cells were washed in assay buffer and layered with a final volume equal to 30 μL/well. Basal fluorescence is monitored in a fluorometri
Affinity data for this assay
 

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Last update November 1, 2007
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