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Colon Cancer and Perturbations of the Sphingolipid Metabolism

1
Department of Chemistry and Toxicology, Veterinary Research Institute, Hudcova 296/70, 62100 Brno, Czech Republic
2
Department of Cytokinetics, Institute of Biophysics of the Czech Academy of Sciences, Královopolská 135, 61265 Brno, Czech Republic
3
Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University, Poštovská 68/3, 60200 Brno, Czech Republic
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2019, 20(23), 6051; https://doi.org/10.3390/ijms20236051
Received: 31 October 2019 / Revised: 25 November 2019 / Accepted: 28 November 2019 / Published: 30 November 2019
(This article belongs to the Special Issue Sphingolipids: Metabolic Functions and Disorders)
The development and progression of colorectal cancer (CRC), a major cause of cancer-related death in the western world, is accompanied with alterations of sphingolipid (SL) composition in colon tumors. A number of enzymes involved in the SL metabolism have been found to be deregulated in human colon tumors, in experimental rodent studies, and in human colon cancer cells in vitro. Therefore, the enzymatic pathways that modulate SL levels have received a significant attention, due to their possible contribution to CRC development, or as potential therapeutic targets. Many of these enzymes are associated with an increased sphingosine-1-phosphate/ceramide ratio, which is in turn linked with increased colon cancer cell survival, proliferation and cancer progression. Nevertheless, more attention should also be paid to the more complex SLs, including specific glycosphingolipids, such as lactosylceramides, which can be also deregulated during CRC development. In this review, we focus on the potential roles of individual SLs/SL metabolism enzymes in colon cancer, as well as on the pros and cons of employing the current in vitro models of colon cancer cells for lipidomic studies investigating the SL metabolism in CRC. View Full-Text
Keywords: colorectal cancer; colon cancer cells; sphingolipid; glycosphingolipid; colon cancer (CRC) sphingolipidomics; sphingosine-1-phosphate; lactosylceramide colorectal cancer; colon cancer cells; sphingolipid; glycosphingolipid; colon cancer (CRC) sphingolipidomics; sphingosine-1-phosphate; lactosylceramide
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Machala, M.; Procházková, J.; Hofmanová, J.; Králiková, L.; Slavík, J.; Tylichová, Z.; Ovesná, P.; Kozubík, A.; Vondráček, J. Colon Cancer and Perturbations of the Sphingolipid Metabolism. Int. J. Mol. Sci. 2019, 20, 6051.

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