期刊
FRONTIERS IN ONCOLOGY
卷 11, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fonc.2021.712045
关键词
cancer; lncRNAs; posttranscriptional regulation; cancer molecular targets and therapeutics
类别
资金
- National Natural Science Foundation of China [81803007, 82060427]
- Guangxi Key Research and Development Plan [GUIKEAB19245002]
- Guangxi Scholarship Fund of Guangxi Education Department, General Program of Guangxi Natural Science Foundation [2020GXNSFAA259080]
- Youth Talent Fund Project of Guangxi Natural Science Foundation [2018GXNSFBA281030, 2018GXNSFBA281091]
- Guangxi Medical and Health Appropriate Technology Development and Application Project [S2017101, S2018062]
- Guangxi Medical University Training Program for Distinguished Young Scholars
- Science and Technology Plan Project of Qingxiu District, Nanning [2020037, 2020038]
EIF4A3 plays a crucial role in post-transcriptional gene regulation and maintains the expression of important proteins, but its overexpression is associated with tumorigenesis in various cancers. Further research is needed to elucidate its functions, mechanisms, and potential clinical applications, providing new insights and opportunities for cancer diagnosis and treatment.
EIF4A3, a member of the DEAD-box protein family, is a nuclear matrix protein and a core component of the exon junction complex (EJC). Under physiological conditions, EIF4A3 participates in post-transcriptional gene regulation by promoting EJC control of precursor mRNA splicing, thus influencing nonsense-mediated mRNA decay. In addition, EIF4A3 maintains the expression of significant selenoproteins, including phospholipid hydroperoxide glutathione peroxidase and thioredoxin reductase 1. Several recent studies have shown that EIF4A3 promotes tumor growth in multiple human cancers such as glioblastoma, hepatocellular carcinoma, pancreatic cancer, and ovarian cancer. Molecular biology studies also showed that EIF4A3 is recruited by long non-coding RNAs to regulate the expression of certain proteins in tumors. However, its tumor-related functions and underlying mechanisms are not well understood. Here, we review the physiological role of EIF4A3 and the potential association between EIF4A3 overexpression and tumorigenesis. We also evaluate the protein's potential utility as a diagnosis biomarker, therapeutic target, and prognosis indicator, hoping to provide new ideas for future research.
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