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| | Cellular Aβ-Lowering Assay |
| Description: | The Abeta 40 AlphaLISA Assay can be used. The HEK293 APP cells were seeded in 96 well Microtiter plates in cell culture medium (Iscove's, plus 10% (v/v) fetal bovine serum, penicillin/streptomycin) to about 80% confluency and the compounds were added at a 3x concentration in 1/3 volume of culture medium (final DMSO concentration was kept at 1% v/v). After 18-20 hrs incubation at 37° C. and 5% CO2 in a humidified incubator, the culture supernatants were harvested for the determination of Aβ 40 concentrations using Perkin-Elmer Human Amyloid beta 1-40 (high specificity) Kit (Cat#AL275C).In a Perkin-Elmer White Optiplate-384 (Cat#6007290), 2 ul culture supernatants were combined with 2 ul of a 10x AlphaLISA Anti-hAβAcceptor beads+Biotinylated Antibody Anti-Aβ 1-40 Mix (50 ug/mL/5 nM). After 1 hour room temperature incubation, 16 ul of a 1.25x preparation of Streptavidin (SA) Donor beads (25 ug/mL) were added and incubated for 30 minutes in the Dark. |
| Affinity data for this assay | |
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