Chapter title |
Metabolomic Analysis of Glioma Cells Using Nanoflow Liquid Chromatography–Tandem Mass Spectrometry
|
---|---|
Chapter number | 10 |
Book title |
Glioblastoma
|
Published in |
Methods in molecular biology, January 2018
|
DOI | 10.1007/978-1-4939-7659-1_10 |
Pubmed ID | |
Book ISBNs |
978-1-4939-7658-4, 978-1-4939-7659-1
|
Authors |
Jingjing Deng, Guoan Zhang, Thomas A. Neubert |
Abstract |
Mass spectrometry (MS)-based techniques have been finding utility as sensitive, high throughput metabolite analysis tools for complex biological samples. We describe here a nanoflow liquid chromatography-tandem mass spectrometry (nano-LC-MS/MS) system we developed and applied to metabolic profiling of human cells. Metabolites are extracted from cells using methanol, and filtered through a C18 StageTip to remove large particles. Metabolite samples are separated by HPLC at a flow rate of 400-500 nl/min, then analyzed in both positive and negative ion modes in an LTQ-Orbitrap MS. Metabolite identification and differential analysis are performed using commercial or open source software. Protocols outlined in this chapter describe how nano-LC-MS can be applied to investigate metabolic profiling with limited biomass amount. |
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