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A Method for Measuring RNA N6-methyladenosine Modifications in Cells and Tissues
Published on: December 5, 2016
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Transcriptome-Wide Map of N6-Methyladenosine Methylome Profiling in Human Bladder Cancer
Aolin Li1,2,3,4, Ying Gan1,2,3,4, Congcong Cao5
1Department of Urology, Peking University First Hospital, Beijing, China.
Frontiers in Oncology
|December 6, 2021
Summary
This study reveals the N6-Methyladenosine (m6A) landscape in bladder cancer, identifying widespread RNA modifications in mRNAs, lncRNAs, and circRNAs. These m6A changes are linked to transcriptional dysregulation and cancer progression.
Area of Science:
- Oncology
- Epigenetics
- Molecular Biology
Background:
- N6-Methyladenosine (m6A) is a prevalent RNA modification, but its role in bladder cancer is not well understood.
- Understanding m6A's function is crucial for advancing bladder cancer research.
Purpose of the Study:
- To comprehensively profile the transcriptome-wide m6A modification patterns in human bladder cancer.
- To investigate the association between m6A modifications and gene expression in bladder cancer development and progression.
Main Methods:
- Utilized MeRIPty-seq and RNA-seq to analyze m6A profiles and gene expression in bladder cancer and adjacent normal tissues.
- Performed functional enrichment analysis on differentially methylated RNAs.
Main Results:
- Identified significant differences in m6A methylation levels across mRNAs, lncRNAs, and circRNAs between bladder cancer and normal tissues.
- Found m6A modifications predominantly in coding sequences, near start/stop codons.
- Enrichment analysis highlighted roles in transcriptional misregulation and TNF signaling pathway.
Conclusions:
- This study provides the first m6A landscape of human bladder cancer.
- Uncovered the regulatory roles of m6A modifications in mRNAs, lncRNAs, and circRNAs within bladder cancer.
- Expanded understanding of m6A's contribution to bladder cancer biology.
