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Assay Method Information

Assay Name:  hS1P1ERK Phosphorylation Assay
Description:  hS1P1/CHO cells were plated into BD Amine 384-well plates the day before the assay. On the day of the assay, growth medium was removed and replaced with serum-free medium (Ham's F-12 Invitrogen) and incubated for 2 hours. Test compounds pre-diluted in HBSS (Gibco)/20 mM HEPES (Gibco) were transferred to the cell plates and incubated for 7 minutes at 37° C. Cells were lysed in lysis buffer (Perkin Elmer) and phospho-ERK was measured using the SureFire pERK kit (Perkin Elmer) as described by the manufacturer. Data was plotted as percentage activation of the test compound relative to the efficacy of 10 uM S1P. The EC50 is defined as the concentration of test compound which produces 50% of the maximal response and was quantified using the 4 parameter logistic equation to fit the data.
Affinity data for this assay
 

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Last update November 1, 2007
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