Lipidomic markers of breast cancer malignant tumor histological types

   
Tokareva A.O.1 , Chagovets V.V.1, Starodubtseva N.L.1, Rodionov V.V.1, Kometova V.V.1, Chingin K.S.2, Frankevich V.E.3

1. Academician V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Moscow, Russia
2. Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, East China University of Technology, Nanchang, China
3. Academician V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Moscow, Russia; Siberian State Medical University, Tomsk, 634050 Russia
Section: Clinical and Diagnostic Research
DOI: 10.18097/PBMC20226805375      PubMed Id: 36373884
Year: 2022  Volume: 68  Issue: 5  Pages: 375-382
The molecular profile of a tumor is associated with its histological type and can be used both to study the mechanisms of tumor progression and to diagnose it. In this work, changes in the lipid profile of a malignant breast tumor and the adjacent tissue were studied. The potential possibility of determining the histological type of the tumor by its lipid profile was evaluated. Lipid profiling was performed by reverse-phase chromato-mass-spectrometric analysis the tissue of lipid extract with identification of lipids by characteristic fragments. Potential lipid markers of the histological type of tumor were determined using the Kruskal-Wallis test. Impact of lipid markers was calculated by MetaboAnalyst. Classification models were built by support vector machines with linear kernel and 1-vs-1 architecture. Models were validated by leave-one out cross-validation. Accuracy of models based on microenvironment tissue, were 99% and 75%, accuracy of models, based on tumor tissue, were 90% and 40% for the positive ion mode and negative ion mode respectively. The lipid profile of marginal (adjacent) tissue can be used for identification histological types of breast cancer. Glycerophospholipid metabolism pathway changes were statistically significant in the adjacent tissue and tumor tissue.
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Keywords: mass-spectrometry, lipidomics, breast cancer, tumor microenvironment, histology tumor type
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Tokareva, A. O., Chagovets, V. V., Starodubtseva, N. L., Rodionov, V. V., Kometova, V. V., Chingin, K. S., Frankevich, V. E. (2022). Lipidomic markers of breast cancer malignant tumor histological types. Biomeditsinskaya Khimiya, 68(5), 375-382.
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