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Liquid Chromatography-Mass Spectrometry of Sphingolipids

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Synonyms

Sphingolipids

Definition

In-depth profiling of sphingolipids can be achieved using a combination of LC and MSn.

Introduction

Sphingolipids (SP) represent a heterogeneous lipid class that plays fundamental roles in maintaining the cell structure and in regulating signaling processes. A sphingoid (or long chain) base (LCB), the conserved structural component of all sphingolipids, with different carbon chain length, position and number of double bonds, and hydroxylations can be acylated with different fatty acids (between C14 and C26) to give ceramides (Cer). SP heterogeneity is then increased by the different modifications on the headgroup (phosphorylation, glycosylation) to give sphingomyelins (SM) and glycosphingolipids (Merrill 2011). SP are generally lower in abundance (<20%) when compared to their glycerolipid counterparts.

Several specific methods for sphingolipids extraction have been published in the last few years and have improved the detection of the low abundant...

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Correspondence to Federico Torta .

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© 2019 Springer Nature B.V.

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Torta, F. (2019). Liquid Chromatography-Mass Spectrometry of Sphingolipids. In: Wenk, M. (eds) Encyclopedia of Lipidomics. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-7864-1_82-1

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  • DOI: https://doi.org/10.1007/978-94-007-7864-1_82-1

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-007-7864-1

  • Online ISBN: 978-94-007-7864-1

  • eBook Packages: Springer Reference Biomedicine and Life SciencesReference Module Biomedical and Life Sciences

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