Journal
STAR PROTOCOLS
Volume 3, Issue 3, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.xpro.2022.101531
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Funding
- Shonai Industrial Promotion Center
- Yamagata Prefectural Government
- City of Tsuruoka
- JSPS KAKENHI [20K07620]
- Naito Foundation
- Princess Takamatsu Cancer Research Fund
- Kobayashi Foundation for Cancer Research
- Takeda Science Foundation
- Sumitomo Foundation
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Capillary electrophoresis mass spectrometry (CE-MS) and liquid chromatography mass spectrometry (LC-MS) are two commonly used methods for metabolite analysis, but require independent sample preparation. This article presents a sample preparation protocol for breast cancer cell lines.
Capillary electrophoresis mass spectrometry (CE-MS) can measure the intracellular amount of highly polar and charged metabolites; liquid chromatography mass spectrometry (LC-MS) can quantify hydrophobic metabolites. A comprehensive metabolome analysis requires independent sample preparation for LC MS and CE-MS. Here, we present a protocol to prepare for sequentially analyzing the metabolites from one sample. Here we describe the steps for breast cancer cell lines, MCF-7 cells, but the protocol can be applied to other cell types.
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