Establishment of basic lipidomics platforms for discovery of lipid biomarkers

Kazutaka Ikeda, Ryo Taguchi, Tomoyoshi Soga

Research output: Contribution to journalArticle

Abstract

Lipidomics is one of the major approaches in metabolomics, and often uses a liquid chromatography-mass spectrometer (LC-MS) to obtain profiling of lipid metabolites and to detect changing molecules statistically. However, previously reported methods have been technically insufficient in the simultaneous analysis of amphiphilic glycosphingolipids, such as gangliosides, and in the global detection of various polar metabolites from complex lipid mixtures. Here, we report on newly targeted and non-targeted methods to measure these lipid metabolites sensitively. In the targeted approach, we were able to detect individual ganglioside molecular species using the combination of reversed-phase or hydrophilic interaction liquid chromatography and ESI-MS with multiple reaction monitoring (MRM). Meanwhile, in a non-targeted approach, global analysis of various polar metabolites was possible by reverse-phased high-resolution (LC) coupled quadrapole time-of-flight MS and sensitive twodimensional (2D) profiling. Our methods will be useful for the elucidation of cancers, metabolic syndrome and nervous-system diseases, etc.; these diagnostic markers may be detectable.

Original languageEnglish
Pages (from-to)501-512
Number of pages12
JournalBunseki Kagaku
Volume61
Issue number6
DOIs
Publication statusPublished - 2012

Fingerprint

Biomarkers
Metabolites
Lipids
Gangliosides
Liquid chromatography
Glycosphingolipids
Neurology
Mass spectrometers
Molecules
Monitoring

Keywords

  • Global analysis
  • LC-MS
  • Lipid
  • Lipidomics
  • Metabolomics

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Establishment of basic lipidomics platforms for discovery of lipid biomarkers. / Ikeda, Kazutaka; Taguchi, Ryo; Soga, Tomoyoshi.

In: Bunseki Kagaku, Vol. 61, No. 6, 2012, p. 501-512.

Research output: Contribution to journalArticle

Ikeda, Kazutaka ; Taguchi, Ryo ; Soga, Tomoyoshi. / Establishment of basic lipidomics platforms for discovery of lipid biomarkers. In: Bunseki Kagaku. 2012 ; Vol. 61, No. 6. pp. 501-512.
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