Metabolomics Workbench : NIH Data Repository

MB Sample ID: SA080943

Local Sample ID:	0.1_96h_1
Subject ID:	SU001235
Subject Type:	Cultured cells
Subject Species:	Homo sapiens
Taxonomy ID:	9606
Gender:	Not applicable

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Sample Preparation:

Sampleprep ID:	SP001243
Sampleprep Summary:	MCF-7 cells were harvested and permeabilized with cold (80% (v/v) methanol: water solution followed by a 20-min incubation at -80 ℃. A stock solution of 4-Chloro-DL-phenylalanine was pre-spiked into the methanol aqueous buffer to a final concentration of 1.5 μg/mL, which subsequently served as an internal standard (IS). The cell lysates were centrifuged at 14,000g for 5 min at 4 ℃, and the resultant supernatant were collected and evaporated to dryness. The samples were reconstituted in 100 μL of water (LC-MS grade) before analysis on an HPLC−MS/MS, and 20 μL was used for analysis. For each group of samples subjected to metabolomics analysis, five biological replicates were prepared.

Sampleprep ID:

SP001243

Sampleprep Summary:

MCF-7 cells were harvested and permeabilized with cold (80% (v/v) methanol: water solution followed by a 20-min incubation at -80 ℃. A stock solution of 4-Chloro-DL-phenylalanine was pre-spiked into the methanol aqueous buffer to a final concentration of 1.5 μg/mL, which subsequently served as an internal standard (IS). The cell lysates were centrifuged at 14,000g for 5 min at 4 ℃, and the resultant supernatant were collected and evaporated to dryness. The samples were reconstituted in 100 μL of water (LC-MS grade) before analysis on an HPLC−MS/MS, and 20 μL was used for analysis. For each group of samples subjected to metabolomics analysis, five biological replicates were prepared.