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Updated: Sep 28, 2025

Experimental Metastasis Assay
Published on: August 24, 2010
RNA-binding proteins and cancer metastasis
Shengjie Wang1, Zelong Sun2, Zhe Lei2
1Soochow University Laboratory of Cancer Molecular Genetics, Suzhou Medical College of Soochow University, Suzhou, Jiangsu 215123, China; Department of Basic Medicine, Kangda College of Nanjing Medical University, Lianyungang 222000, China.
Abstract:
RNA-binding proteins (RBPs) can regulate gene expression through post-transcriptionally influencing all manner of RNA biology, including alternative splicing (AS), polyadenylation, stability, and translation of mRNAs, as well as microRNAs (miRNAs) and circular RNAs (circRNAs) processing. There is accumulating evidence reinforcing the perception that dysregulation or dysfunction of RBPs can lead to various human diseases, including cancers. RBPs influence diverse cancer-associated cellular phenotypes, such as proliferation, apoptosis, senescence, migration, invasion, and angiogenesis, contributing to the initiation and development of tumors, as well as clinical prognosis. Metastasis is the leading cause of cancer-related recurrence and death. Therefore, it is necessary to elucidate the molecular mechanisms behind tumor metastasis. In fact, a growing body of published research has proved that RBPs play pivotal roles in cancer metastasis. In this review, we will summarize the recent advances for helping us understand the role of RBPs in tumor metastasis, and discuss dysfunctions and dysregulations of RBPs affecting metastasis-associated processes including epithelial-mesenchymal transition (EMT), migration, and invasion of cancer cells. Furthermore, we will discuss emerging RBP-based strategy for the treatment of cancer metastasis.
Insights
RNA-binding proteins (RBPs) are crucial regulators of gene expression and play significant roles in cancer development. This review highlights their pivotal functions in tumor metastasis and explores potential RBP-targeted therapies.
Area of Science:
- Molecular Biology
- Cancer Research
- Genetics
Background:
- RNA-binding proteins (RBPs) regulate gene expression post-transcriptionally, impacting mRNA, miRNA, and circRNA processing.
- Dysregulation of RBPs is linked to various human diseases, notably cancer, influencing phenotypes like proliferation and migration.
- Tumor metastasis is a major cause of cancer mortality, necessitating elucidation of its underlying molecular mechanisms.
Purpose of the Study:
- To review recent advances in understanding the role of RBPs in tumor metastasis.
- To discuss how RBP dysfunctions affect metastasis-associated processes like EMT, migration, and invasion.
- To explore emerging RBP-based therapeutic strategies for combating cancer metastasis.
Main Methods:
- Literature review of recent research on RBPs and cancer metastasis.
- Analysis of RBP involvement in epithelial-mesenchymal transition (EMT), cell migration, and invasion.
- Synthesis of current knowledge on RBP-based treatment strategies.
Main Results:
- RBPs significantly influence cancer cell phenotypes crucial for metastasis.
- Specific RBPs are identified as key players in promoting or inhibiting metastasis-associated processes.
- Dysregulation of RBPs contributes to tumor progression and poor clinical prognosis.
Conclusions:
- RBPs are critical regulators of cancer metastasis.
- Targeting RBPs offers promising therapeutic avenues for cancer treatment.
- Further research into RBP functions is essential for developing effective anti-metastasis strategies.
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