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Gu X, Li X, Zhang X, Tong L, Feng R, Liu L, Sun H, Zhang Q, Bian T, Zhang J, Gao L, Zhang C, Liu J, Liu Y. Noncoding RNA-Mediated High Expression of PFKFB3 Correlates with Poor Prognosis and Tumor Immune Infiltration of Lung Adenocarcinoma. Onco Targets Ther 2023; 16:767-783. [PMID: 37771939 PMCID: PMC10522466 DOI: 10.2147/ott.s416155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 09/10/2023] [Indexed: 09/30/2023] Open
Abstract
Background There is growing evidence showing that 6-phosphofructo-2-kinase (PFKFB3) plays crucial roles in different types of human cancers, including LUAD; however, the specific mechanism by which PFKFB3 plays a role in LUAD remains unclear. Methods We investigated the expression of PFKFB3 and explored the underlying mechanism as well as the correlation with immune markers using several online datasets, such as Tumor Immune Estimate Resource (TIMER), UALCAN, and the Cancer Genome Atlas (TCGA) databases, miRWalk, Targetscan, MiRDB and starBase database. Western blot and immunohistochemistry analysis were performed to verify the corresponding outcomes. Results It was shown that the mRNA expression of PFKFB3 was lower in LUAD than in the normal tissues, while its protein expression was not consistent with the mRNA level. The expression of PFKFB3 was correlated with clinicopathological parameters and several signaling pathways. The potential long chain (lnc)RNA/microRNA/PFKFB3 axis and the possible mechanism by which tumor progression in LUAD is promoted was predicted. We obtained the LINC01798/LINC02086/AP000845.1/HAGLR-miR-17-5p-PFKFB3 axis after comprehensive analyses of expression, correlation, and survival. Moreover, the expression of PFKFB3 was positively correlated with immune cells and immune checkpoint expression, including PD-1, PD-L1 and CTLA-4. Conclusion The present study demonstrated that noncoding RNAs mediated the upregulation of PFKFB3 and was associated with a poor prognosis and immune tumor infiltration in LUAD.
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Affiliation(s)
- Xue Gu
- Department of Pathology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, People’s Republic of China
| | - Xiaoli Li
- Department of Pathology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, People’s Republic of China
| | - Xue Zhang
- Department of Oncology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, People’s Republic of China
| | - Li Tong
- Department of Pathology, Affiliated Hospital of Nantong University, Dalian Medical University, Nantong, 226001, People’s Republic of China
| | - Ran Feng
- Department of Pathology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, People’s Republic of China
| | - Lei Liu
- Department of Pathology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, People’s Republic of China
| | - Hui Sun
- Department of Pathology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, People’s Republic of China
| | - Qing Zhang
- Department of Pathology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, People’s Republic of China
| | - Tingting Bian
- Department of Pathology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, People’s Republic of China
| | - Jianguo Zhang
- Department of Pathology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, People’s Republic of China
| | - Lihua Gao
- Department of Oncology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, People’s Republic of China
| | - Chenxi Zhang
- Medical School of Nantong University, Nantong, 226001, People’s Republic of China
| | - Jian Liu
- Department of Oncology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, People’s Republic of China
| | - Yifei Liu
- Department of Pathology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, People’s Republic of China
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