Identification of a mesenchymal-related signature associated with clinical prognosis in glioma.
Identification of a mesenchymal-related signature associated with clinical prognosis in glioma.
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与神经胶质瘤临床预后相关的间质相关签名的鉴定。
DOI：
10.18632/aging.202886
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发表时间：
2021-04-19
期刊：
影响因子：
--
通讯作者：
Zhao B
中科院分区：
文献类型：
--
作者：
Zhang Z;Chen J;Huo X;Zong G;Huang K;Cheng M;Sun L;Yue X;Bian E;Zhao B
Malignant glioma with a mesenchymal (MES) signature is characterized by shorter survival time due to aggressive dissemination and resistance to chemoradiotherapy. Here, this study used the TCGA database as the training set and the CGGA database as the testing set. Consensus clustering was performed on the two data sets, and it was found that two groups had distinguished prognostic and molecular features. Cox analysis and Lasso regression analysis were used to construct MES signature-based risk score model of glioma. Our results show that MES signature-based risk score model can be used to assess the prognosis of glioma. Three methods (ROC curve analyses, univariate Cox regression analysis, multivariate Cox regression analysis) were used to investigate the prognostic role of texture parameters. The result showed that the MES-related gene signature was proved to be an independent prognostic factor for glioma. Furthermore, functional analysis of the gene related to the risk signature showed that the genes sets were closely related to the malignant process of tumors. Finally, FCGR2A and EHD2 were selected for functional verification. Silencing these two genes inhibited the proliferation, migration and invasion of gliomas and reduced the expression of mesenchymal marker genes. Collectively, MES-related risk signature seems to provide a novel target for predicting the prognosis and treatment of glioma.
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