Abstract
Abstract Ferroptosis, with iron-dependent and ROS-dependent, is a novel type of cell death in a variety of diseases and some studies confirmed that ferroptosis-related lncRNAs are involved in the occurrence and development of several cancers. However, the ferroptosis-related lncRNA in the role of gliomas is unclear. Here, we constructed a prognostic scoring model of ferroptosis-related lncRNAs in gliomas. Data were downloaded from the Chinese glioma genome atlas (CGGA), the cancer genome atlas, and FerrDb database. In this study, we found 1051 lncRNAs associated with ferroptosis by Spearman's rank correlation analysis in CGGA653, and 547 lncRNAs were related to prognosis in gliomas. Subsequently, we identified 9 ferroptosis-related signatures (AC010729.2, AC062021.1, FAM225B, FAM66C, HOXA-AS2, LINC00662, LINC00665, MIR497HG, and TMEM72-AS1) by least absolute shrinkage and selection operator and Cox proportional hazards model. Next, all glioma patients were divided into high- and low-risk groups based on the median risk score based on these signatures, and the low-risk group had better prognosis significantly than the high-risk group by Kaplan-Meier curve. Moreover, the risk score can predict survival status with high sensitivity and specificity by receiver operating characteristic curve (area under the curve at 1, 3, 5 years: 0.791, 0.84, 0.856, respectively). In addition, some pathways (cell cycle, p53 signaling pathway, apoptosis, and oxidative phosphorylation) significantly enriched in KEGG enrichment pathway, and a nomogram was constructed by integrating some independent prognostic clinicopathological features to predict the overall survival in gliomas (C-index: 0.786). In summary, these 9 ferroptosis-related signatures have potential prognostic value and could be crucial factors for treating malignant gliomas.
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