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- W3100222013 endingPage "8395" @default.
- W3100222013 startingPage "8395" @default.
- W3100222013 abstract "Background: The relationship between glioblastoma (GBM) and fatty acid metabolism could be the key to elucidate more effective therapeutic targets. 15-lipoxygenase-1 (15-LOX), a linolenic acid and arachidonic acid metabolizing enzyme, induces both pro- and antitumorigenic effects in different cancer types. Its role in glioma activity has not yet been clearly described. The objective of this study was to identify the influence of 15-LOX and its metabolites on glioblastoma cell activity. Methods: GBM cell lines were examined using high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) to identify 15-LOX metabolites. GBM cells treated with 15-LOX metabolites, 13-hydroxyoctadecadeinoic acid (HODE) and 9-HODE, and two 15-LOX inhibitors (luteolin and nordihydroguaiaretic acid) were also examined. Dose response/viability curves, RT-PCRs, flow cytometry, migration assays, and zymograms were performed to analyze GBM growth, migration, and invasion. Results: Higher quantities of 13-HODE were observed in five GBM cell lines compared to other lipids analyzed. Both 13-HODE and 9-HODE increased cell count in U87MG. 15-LOX inhibition decreased migration and increased cell cycle arrest in the G2/M phase. Conclusion: 15-LOX and its linoleic acid (LA)-derived metabolites exercise a protumorigenic influence on GBM cells in vitro. Elevated endogenous levels of 13-HODE called attention to the relationship between linoleic acid metabolism and GBM cell activity." @default.
- W3100222013 created "2020-11-23" @default.
- W3100222013 creator A5011925069 @default.
- W3100222013 creator A5014052318 @default.
- W3100222013 creator A5042230902 @default.
- W3100222013 date "2020-11-09" @default.
- W3100222013 modified "2023-09-26" @default.
- W3100222013 title "Influence of Lipoxygenase Inhibition on Glioblastoma Cell Biology" @default.
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- W3100222013 doi "https://doi.org/10.3390/ijms21218395" @default.
- W3100222013 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7664864" @default.