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| Content Provider | frontiers |
|---|---|
| Author | Wang, Yang He, Ruyi Ma, Lixin |
| Abstract | Lung adenocarcinoma (LUAD) is one of the most fatal malignant tumors harmful to human health. The complexity and behavior characteristics of long-non-coding RNA (lncRNA)-associated competing endogenous RNA (ceRNA) network in LUAD patients are still unclear. The purpose of this study was to elucidate the regulatory networks of dysregulated RNAs, view, and identify potential prognosis signatures involved in LUAD. The expression profiles of mRNAs, lncRNAs, and miRNAs were obtained from the TCGA database. In total, 2078 DEmRNAs, 257 DElncRNAs, and 101 DEmiRNAs were sorted out. A PPI network including 45 DEmRNAs was constructed. Ten hub genes in the PPI network associated with cell cycle-related pathways were identified and they played key roles in regulating cell proliferation. A total of three DEmiRNAs, seven DElncRNAs, and six DEmRNAs were enrolled in the ceRNA network. Except for certain genes without any published study reports, all the genes in the ceRNA network played an essential role in controlling tumor cell proliferation and were associated with prognosis in LUAD. Finally, based on step regression and Cox regression survival analysis, we identified four candidate biomarkers, including miR490, miR1293, LINC01740, and IGF2BP1, and established a risk model based on the four genes. Our study provided a global view and systematic dissection of the lncRNA-associated ceRNA network, and the identified four genes might be novel important prognostic factors involved in LUAD pa... |
| ISSN | 22964185 |
| DOI | 10.3389/fbioe.2020.00266 |
| Volume Number | 8 |
| Journal | Frontiers in Bioengineering and Biotechnology |
| Language | English |
| Publisher Date | 2020-04-17 |
| Access Restriction | Open |
| Subject Keyword | Lung Adenocarcinoma LncRNA Signature CeRNA Prognosis |
| Content Type | Text |
| Resource Type | Article |
| Subject | Histology Bioengineering Biomedical Engineering Biotechnology |
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