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Systematic profiling of immune signatures identifies prognostic predictors in lung adenocarcinoma.
Cellular Oncology ( IF 6.6 ) Pub Date : 2020-05-28 , DOI: 10.1007/s13402-020-00515-7 Shuangshuang Mao 1 , Yuan Li 1 , Zhiliang Lu 1 , Yun Che 1 , Jianbing Huang 1 , Yuanyuan Lei 1 , Yalong Wang 1 , Xinfeng Wang 1 , Chengming Liu 1 , Sufei Zheng 1 , Ning Li 1 , Jiagen Li 1 , Nan Sun 1 , Jie He 1
中文翻译:
免疫特征的系统分析可确定肺腺癌的预后指标。
更新日期:2020-05-28
Cellular Oncology ( IF 6.6 ) Pub Date : 2020-05-28 , DOI: 10.1007/s13402-020-00515-7 Shuangshuang Mao 1 , Yuan Li 1 , Zhiliang Lu 1 , Yun Che 1 , Jianbing Huang 1 , Yuanyuan Lei 1 , Yalong Wang 1 , Xinfeng Wang 1 , Chengming Liu 1 , Sufei Zheng 1 , Ning Li 1 , Jiagen Li 1 , Nan Sun 1 , Jie He 1
Affiliation
Purpose
Lung adenocarcinoma (LUAD) is the predominant subtype of lung cancer, with increasing evidence showing clinical benefits of immunotherapy. However, a lack of integrated profiles of complex LUAD immune microenvironments hampers the application of immunotherapy, resulting in limited eligible patient populations as well as drug resistance problems. Here, we aimed to systematically profile the immune signatures of LUADs and to assess the role of the immune microenvironment in patient outcome.Methods
We systematically profiled the immune signatures of LUADs deposited in the TCGA and GEO databases using a total of 730 immune-related genes. Differential expression analysis was used to identify dysregulated genes. Univariate Cox analysis followed by robust likelihood-based survival analysis and multivariate Cox analysis were applied to construct an immune-related prognostic model.Results
We found that differentially expressed immune genes were mainly enriched in immune cell proliferation, migration, activation and the NF-κB and TNF signaling pathways. The 10-immune gene predictive model that we constructed could differentiate LUAD patients with different overall survival times in several datasets, with areas under the curve (AUCs) of 0.67, 0.69, 0.72 and 0.74. LUAD patients with high- or low-risk scores exhibited distinct immune cell compositions, which may explain the prognostic significance of our model.Conclusions
Our results add to the current knowledge of immune processes in LUADs and underscore the critical role of the immune microenvironment in LUAD patient outcome.中文翻译:
免疫特征的系统分析可确定肺腺癌的预后指标。