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Published on: July 25, 2019
The Roles of Cytoplasmic Polyadenylation Element Binding Protein 1 in Tumorigenesis
JiaYi Li1,2,3, Yinxin Wu1,2,3, Dingyin Zhang1,2,3
1Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, China Three Gorges University.
Background:
CPEB1 is an alternative polyadenylation binding protein that promotes or suppresses the expression of related mRNAs and proteins by binding to a highly conserved Cytoplasmic Polyadenylation Element (CPE) in the mRNAs 3'UTR. It is found to express abnormally in multiple tumors and affect tumorigenesis through many pathways. This review summarizes the functions and mechanisms of CPEB1 in a variety of cancers and suggests new directions for future related treatments.
Methods:
A total of 95 articles were eligible for inclusion based on the year, quality of the research, and the strength of association with CPEB1. In this review, current research about how CPEB1 affects the initiation and progression of glioblastoma, breast cancer, hepatocellular carcinoma, gastric cancer, colorectal cancer, non-small cell lung cancer, prostate cancer, and melanoma are dissected, and the biomedical functions and mechanisms are summarized.
Results:
CPEB1 mostly presents as a tumor suppressor for breast cancer, endometrial carcinoma, hepatocellular carcinoma, non-small cell lung cancer, prostate cancer, and melanoma. However, for glioblastoma, gastric cancer, and colorectal cancer, CPEB1 exhibts two opposing properties of tumorigenesis, either promoting or inhibiting it.
Conclusion:
CPEB1 is likely to serve as a target and dynamic detection index or prognostic indicator for its function of apoptosis, activity, proliferation, migration, invasion, stemness, drug resistance, and even ferroptosis in various cancers.
Insights
The cytoplasmic polyadenylation element-binding protein 1 (CPEB1) acts as both a tumor suppressor and promoter across various cancers. Its dual role highlights its potential as a prognostic indicator and therapeutic target in oncology.
Area of Science:
- Molecular biology
- Cancer research
- Biochemistry
Background:
- CPEB1, a polyadenylation binding protein, influences mRNA and protein expression by binding to the Cytoplasmic Polyadenylation Element (CPE).
- Abnormal CPEB1 expression is linked to tumorigenesis across multiple cancer types.
- This review explores CPEB1's multifaceted roles in cancer development.
Purpose of the Study:
- To review and summarize the functions and mechanisms of CPEB1 in various cancers.
- To dissect CPEB1's impact on the initiation and progression of specific malignancies.
- To suggest future therapeutic directions involving CPEB1.
Main Methods:
- Systematic review of 95 eligible articles.
- Analysis focused on CPEB1's association with glioblastoma, breast cancer, hepatocellular carcinoma, gastric cancer, colorectal cancer, non-small cell lung cancer, prostate cancer, and melanoma.
- Evaluation of research quality and strength of association with CPEB1.
Main Results:
- CPEB1 functions as a tumor suppressor in breast, endometrial, hepatocellular, non-small cell lung, prostate cancers, and melanoma.
- In glioblastoma, gastric, and colorectal cancers, CPEB1 exhibits dual roles, promoting or inhibiting tumorigenesis.
- CPEB1's expression patterns vary significantly across different cancer types.
Conclusions:
- CPEB1 shows potential as a therapeutic target and prognostic biomarker in oncology.
- Its functions in apoptosis, proliferation, migration, invasion, stemness, drug resistance, and ferroptosis are relevant to cancer.
- CPEB1's dynamic detection index could aid in cancer management.
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