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MB Sample ID: SA227252

Local Sample ID:2a_-1_59_1_440
Subject ID:SU002403
Subject Type:Human
Subject Species:Homo sapiens
Taxonomy ID:9606

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Treatment:

Treatment ID:TR002415
Treatment Summary:Triplicate flasks were prepared for each treatment condition for each analysis (metabolomic and proteomic) for a total of 24 flasks. Two million cells were seeded in each 75 cm2 tissue culture flask and incubated for 24 h. The cells were then treated with Tamoxifen (5 μM) and/or Trastuzumab (2.5 μM) for 24 h. These concentrations correspond to the IC50 of these compounds with BT-474 cells, as determined by cytotoxicity assays (data not shown). Control cells were treated with vehicle (dimethyl sulfoxide (DMSO) at 0.5% for 24 h. Following the incubation period, cells were collected by trypsinization and washed twice with phosphate-buffered saline solution (PBS) before re-suspending in 1 mL 1 × PBS for further analysis. Finally, cells were collected as pellets by centrifugation at 1200 rounds per minute (rpm) for 10 min at room temperature. To negate the effect of Circadian rhythms on the response of cells to treatment, cells were kept under the same conditions during the entire incubation period and the cell collection was done concurrently for all samples. In addition, the same number of cells were used for each sample to avoid the effect of variation in cell numbers.
Treatment:Drugs
Treatment Compound:Tamoxifen and/or Trastuzumab
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