Abstract
LipidomeDB Data Calculation Environment (DCE) is a web application to quantify complex lipids by processing data acquired after direct infusion of a lipid-containing biological extract, to which a cocktail of internal standards has been added, into an electrospray source of a triple quadrupole mass spectrometer. LipidomeDB DCE is located on the public Internet at http://lipidome.bcf.ku.edu:9000/Lipidomics. LipidomeDB DCE supports targeted analyses; analyte information can be entered, or pre-formulated lists of typical plant or animal polar lipid analytes can be selected. LipidomeDB DCE performs isotopic deconvolution and quantification in comparison to internal standard spectral peaks. Multiple precursor or neutral loss spectra from up to 35 samples may be processed simultaneously with data input as Excel files and output as tables viewable on the web and exportable in Excel. The pre-formulated compound lists and web access, used with direct-infusion mass spectrometry, provide a simple approach to lipidomic analysis, particularly for new users.
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Abbreviations
- DCE:
-
Data Calculation Environment
- m/z :
-
Mass/charge
- MS:
-
Mass spectrometry
- QqQ:
-
Triple quadrupole
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Acknowledgments
The authors would like to thank Dr. Susan Brown for helping us start the LipidomeDB project and obtain financial support for it. We are also grateful to Dr. Youping Deng for his efforts to initiate a lipidomics database and to Drs. Todd Williams and Xuemin Wang for helping us initiate lipidomics work. We appreciate Emily Archer Slone, Byron Sparkes and Dr. Sherry Fleming for allowing us to use their data as example data. We also wish to thank members of the Welti and Visvanathan groups, who provided helpful suggestions. Funding for development of LipidomeDB Data Calculation Environment was from Kansas IDeA Networks of Biomedical Research Excellence (National Institutes of Health grant P20 RR16475 from the National Center for Research Resources). Mass spectrometer acquisition and mass spectrometry method development were supported by National Science Foundation grants MCB 0455318, MCB 0920663 and DBI 0521587, Kansas National Science Foundation EPSCoR grant EPS-0236913, Kansas Technology Enterprise Corp. and Kansas State University. Contribution no. 11-295-J from the Kansas Agricultural Experiment Station.
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Z. Zhou and S. R. Marepally contributed equally.
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Zhou, Z., Marepally, S.R., Nune, D.S. et al. LipidomeDB Data Calculation Environment: Online Processing of Direct-Infusion Mass Spectral Data for Lipid Profiles. Lipids 46, 879–884 (2011). https://doi.org/10.1007/s11745-011-3575-8
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DOI: https://doi.org/10.1007/s11745-011-3575-8