Regulation of SUMOylation on RNA metabolism in cancers
Yingting Cao1, Caihu Huang1, Xian Zhao1
1Department of Biochemistry and Molecular Cell Biology and Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Abstract:
Post-translational modifications of proteins play very important roles in regulating RNA metabolism and affect many biological pathways. Here we mainly summarize the crucial functions of small ubiquitin-like modifier (SUMO) modification in RNA metabolism including transcription, splicing, tailing, stability and modification, as well as its impact on the biogenesis and function of microRNA (miRNA) in particular. This review also highlights the current knowledge about SUMOylation regulation in RNA metabolism involved in many cellular processes such as cell proliferation and apoptosis, which is closely related to tumorigenesis and cancer progression.
Insights
Small ubiquitin-like modifier (SUMO) modification is crucial for RNA metabolism, impacting gene expression and microRNA biogenesis. SUMOylation
Area of Science:
- Molecular Biology
- Biochemistry
- Gene Regulation
Background:
- Post-translational protein modifications are vital for cellular processes.
- RNA metabolism encompasses transcription, splicing, and stability.
- Small ubiquitin-like modifier (SUMO) is a key regulatory protein.
Purpose of the Study:
- To review the critical roles of SUMO modification in RNA metabolism.
- To highlight SUMOylation's impact on microRNA (miRNA) biogenesis and function.
- To discuss SUMOylation's involvement in cellular processes linked to cancer.
Main Methods:
- Literature review of SUMOylation and RNA metabolism.
- Analysis of SUMOylation's functions in transcription, splicing, and RNA stability.
- Examination of SUMOylation's role in miRNA pathways.
Main Results:
- SUMOylation significantly regulates RNA metabolism at multiple levels.
- SUMOylation impacts miRNA biogenesis, function, and processing.
- SUMOylation is implicated in cell proliferation, apoptosis, and tumorigenesis.
Conclusions:
- SUMOylation is a critical regulator of RNA metabolism and miRNA pathways.
- Dysregulated SUMOylation is linked to cancer progression.
- Further research into SUMOylation in RNA metabolism is warranted.
Related Concept Videos
Regulation of Expression at Multiple Steps
MicroRNAs
Regulation of Expression Occurs at Multiple Steps
Transcription results in the generation of precursor (pre-mRNA) that consists of both exons and introns, which needs further processing before being translated to a...
RNA Stability
Epigenetic Regulation
X-chromosome...
Translational Regulation


