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Identification of a novel glycolysis-related gene signature for predicting metastasis and survival in patients with lung adenocarcinoma.


ABSTRACT: BACKGROUND:Lung cancer (LC) is one of the most lethal and most prevalent malignant tumors, and its incidence and mortality are increasing annually. Lung adenocarcinoma (LUAD) is the most common pathological type of lung cancer. Several biomarkers have been confirmed by data excavation to be related to metastasis, prognosis and survival. However, the moderate predictive effect of a single gene biomarker is not sufficient. Thus, we aimed to identify new gene signatures to better predict the possibility of LUAD. METHODS:Using an mRNA-mining approach, we performed mRNA expression profiling in large LUAD cohorts (n?=?522) from The Cancer Genome Atlas (TCGA) database. Gene Set Enrichment Analysis (GSEA) was performed, and connections between genes and glycolysis were found in the Cox proportional regression model. RESULTS:We confirmed a set of nine genes (HMMR, B4GALT1, SLC16A3, ANGPTL4, EXT1, GPC1, RBCK1, SOD1, and AGRN) that were significantly associated with metastasis and overall survival (OS) in the test series. Based on this nine-gene signature, the patients in the test series could be divided into high-risk and low-risk groups. Additionally, multivariate Cox regression analysis revealed that the prognostic power of the nine-gene signature is independent of clinical factors. CONCLUSION:Our study reveals a connection between the nine-gene signature and glycolysis. This research also provides novel insights into the mechanisms underlying glycolysis and offers a novel biomarker of a poor prognosis and metastasis for LUAD patients.

SUBMITTER: Zhang L 

PROVIDER: S-EPMC6916245 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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Identification of a novel glycolysis-related gene signature for predicting metastasis and survival in patients with lung adenocarcinoma.

Zhang Lei L   Zhang Zhe Z   Yu Zhenglun Z  

Journal of translational medicine 20191217 1


<h4>Background</h4>Lung cancer (LC) is one of the most lethal and most prevalent malignant tumors, and its incidence and mortality are increasing annually. Lung adenocarcinoma (LUAD) is the most common pathological type of lung cancer. Several biomarkers have been confirmed by data excavation to be related to metastasis, prognosis and survival. However, the moderate predictive effect of a single gene biomarker is not sufficient. Thus, we aimed to identify new gene signatures to better predict th  ...[more]

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