Wu Shuaishuai, Ballah Augustine K, Che Wenqiang, Wang Xiangyu
First Affiliated Hospital, Jinan University, Department of Neurosurgery, Guangzhou, China.
Front Genet. 2022 Nov 16;13:961278. doi: 10.3389/fgene.2022.961278. eCollection 2022.
Today, numerous international researchers have demonstrated that N-methylguanosine (mG) related long non-coding RNAs (mG-related lncRNAs) are closely linked to the happenings and developments of various human beings' cancers. However, the connection between mG-related lncRNAs and glioma prognosis has not been investigated. We did this study to look for new potential biomarkers and construct an mG-related lncRNA prognostic signature for glioma. We identified those lncRNAs associated with DEGs from glioma tissue sequences as mG-related lncRNAs. First, we used Pearson's correlation analysis to identify 28 DEGs by glioma and normal brain tissue gene sequences and predicated 657 mG-related lncRNAs. Then, eight lncRNAs associated with prognosis were obtained and used to construct the mG risk score model by lasso and Cox regression analysis methods. Furthermore, we used Kaplan-Meier analysis, time-dependent ROC, principal component analysis, clinical variables, independent prognostic analysis, nomograms, calibration curves, and expression levels of lncRNAs to determine the model's accuracy. Importantly, we validated the model with external and internal validation methods and found it has strong predictive power. Finally, we performed functional enrichment analysis (GSEA, aaGSEA enrichment analyses) and analyzed immune checkpoints, associated pathways, and drug sensitivity based on predictors. In conclusion, we successfully constructed the formula of mG-related lncRNAs with powerful predictive functions. Our study provides instructional value for analyzing glioma pathogenesis and offers potential research targets for glioma treatment and scientific research.
如今,众多国际研究人员已证明,N-甲基鸟苷(mG)相关的长链非编码RNA(mG相关lncRNAs)与人类各种癌症的发生和发展密切相关。然而,mG相关lncRNAs与胶质瘤预后之间的联系尚未得到研究。我们开展这项研究以寻找新的潜在生物标志物,并构建一种用于胶质瘤的mG相关lncRNA预后特征。我们将从胶质瘤组织序列中与差异表达基因(DEGs)相关的那些lncRNAs鉴定为mG相关lncRNAs。首先,我们通过胶质瘤和正常脑组织基因序列,利用Pearson相关性分析鉴定出28个DEGs,并预测出657个mG相关lncRNAs。然后,获得了8个与预后相关的lncRNAs,并通过套索回归和Cox回归分析方法构建mG风险评分模型。此外,我们使用Kaplan-Meier分析、时间依赖性ROC、主成分分析、临床变量、独立预后分析、列线图、校准曲线以及lncRNAs的表达水平来确定该模型的准确性。重要的是,我们用内部和外部验证方法对该模型进行了验证,发现它具有强大的预测能力。最后,我们进行了功能富集分析(基因集富集分析、基于基因集的氨基酸富集分析),并基于预测因子分析了免疫检查点、相关通路和药物敏感性。总之,我们成功构建了具有强大预测功能的mG相关lncRNAs公式。我们的研究为分析胶质瘤发病机制提供了指导价值,并为胶质瘤治疗和科研提供了潜在的研究靶点。