Peculiarities of data interpretation upon direct tissue analysis by Fourier transform ion cyclotron resonance mass
Vtaliy Chagovets1, Aleksey Kononikhin2, Nataliia Starodubtseva2
1Department of System Biology in Reproduction, Federal State Budget Institution "Research Center for Obstetrics, Gynecology and Perinatology", 4 Oparin Street, Moscow 117997, Russian Federation.
Abstract:
The importance of high-resolution mass spectrometry for the correct data interpretation of a direct tissue analysis is demonstrated with an example of its clinical application for an endometriosis study. Multivariate analysis of the data discovers lipid species differentially expressed in different tissues under investigation. High-resolution mass spectrometry allows unambiguous separation of peaks with close masses that correspond to proton and sodium adducts of phosphatidylcholines and to phosphatidylcholines differing in double bond number.
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