| Assay Method Information | |
| | Detection of Phosphorylated ERBB2 (pERBB2) |
| Description: | Enzyme-linked immunosorbent assays (ELISA) were performed to measure phosphorylated ERBB2 levels. A capture antibody able to detect phosphorylated and non-phosphorylated ERBB2 (R&D Systems, cat #841425) was added to ELISA plates and incubated at 4° C. overnight. The next day, plates were washed with PBS+0.05% Tween20 (PBST). 150 μl of 5% BSA blocking solution was added for 1 hour at room temperature, with shaking. Plates were washed with PB ST. Cell lysates were thawed and 100 μl of lysate was added to the ELISA plate. The plates were incubated for 2 hours at room temperature, with shaking. ELISA plates were then washed with PBST and 100 μl of an HRP-labeled detection antibody that binds phosphorylated tyrosine (R&D Systems, cat #841913) was added to each well. Plates were incubated for 1 hour at room temperature, with shaking. Plates were then washed with PBST, and 100 μl TMB substrate solution (R&D Systems, cat #DY999) was added. Plate were incubated in the dark for 20 minutes at room temperature. 50 μl of Stop solution (R&D Systems, cat #DY994) (50 μl) was added to each well and mixed. |
| Affinity data for this assay | |
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