Lipid metabolism affects cell proliferation, differentiation, membrane homeostasis and drug resistance. An in-depth exploration of lipid metabolism in gliomas might provide a novel direction for gliomas treatment. A lipid metabolism-related risk signature was constructed in our study to assess the prognosis of patients with gliomas. Lipid metabolism-related genes were extracted. Differentially expressed genes (DEGs) were screened, and a risk signature was built. The ability of the risk signature to predict the outcomes of patients with gliomas was assessed using the log-rank test and Cox regression analysis. The relationships between immunological characteristics, drug sensitivity and the risk score were evaluated, and the risk-related mechanisms were also estimated. Twenty lipid metabolism-related DEGs associated with the patient prognosis were included in the risk signature. The survival rate of high-risk patients was worse than that of low-risk patients. The risk score independently predicted the outcomes of patients. Immunological parameters, drug sensitivity, immunotherapy benefits, and numerous molecular mechanisms were significantly associated with the risk score. A lipid metabolism-related risk signature might effectively assess the prognosis of patients with gliomas. The risk score might guide individualized treatment and further clinical decision-making for patients with gliomas.Abbreviations: CGGA = The Chinese Gliomas Genome Atlas, CIBERSORT = cell-type identification by estimating relative subsets of RNA transcripts, DEGs = differentially expressed genes, ESTIMATE = estimation of stromal and immune cells in malignant tumor tissues using expression data, GBM = glioblastoma, GSEA = gene set enrichment analysis, GTEx = genotypetissue expression, ICIs = immune checkpoint inhibitors, KEGG = Kyoto encyclopedia of genes and genomes, LGG = low-grade gliomas, PPI = protein-protein interaction, TCGA = The Cancer Genome Atlas, TIDE = tumor immune dysfunction and exclusion, TMB = tumor mutational burden, TME = tumor immune microenvironment.
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