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Updated: Jul 16, 2025

A Method for Measuring RNA N6-methyladenosine Modifications in Cells and Tissues
Published on: December 5, 2016
Decoding m6A mRNA methylation by reader proteins in liver diseases
Lijiao Sun1,2,3, Xin Chen1,2,3, Sai Zhu1,4
1Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, Anhui 230032, China.
Abstract:
N6-methyladenosine (m6A) is a dynamic and reversible epigenetic regulation. As the most prevalent internal post-transcriptional modification in eukaryotic RNA, it participates in the regulation of gene expression through various mechanisms, such as mRNA splicing, nuclear export, localization, translation efficiency, mRNA stability, and structural transformation. The involvement of m6A in the regulation of gene expression depends on the specific recognition of m6A-modified RNA by reader proteins. In the pathogenesis and treatment of liver disease, studies have found that the expression levels of key genes that promote or inhibit the development of liver disease are regulated by m6A modification, in which abnormal expression of reader proteins determines the fate of these gene transcripts. In this review, we introduce m6A readers, summarize the recognition and regulatory mechanisms of m6A readers on mRNA, and focus on the biological functions and mechanisms of m6A readers in liver cancer, viral hepatitis, non-alcoholic fatty liver disease (NAFLD), hepatic fibrosis (HF), acute liver injury (ALI), and other liver diseases. This information is expected to be of high value to researchers deciphering the links between m6A readers and human liver diseases.
Insights
N6-methyladenosine (m6A) regulates gene expression via reader proteins. This review explores m6A reader roles in liver diseases like cancer and hepatitis, highlighting their pathogenic mechanisms and therapeutic potential.
Area of Science:
- Epigenetics
- Molecular Biology
- Hepatology
Background:
- N6-methyladenosine (m6A) is the most abundant internal RNA modification in eukaryotes.
- m6A regulates gene expression through mRNA splicing, stability, translation, and localization.
- m6A modification requires reader proteins for recognition and downstream effects.
Purpose of the Study:
- To introduce m6A readers and their regulatory mechanisms.
- To summarize the biological functions and mechanisms of m6A readers in various liver diseases.
- To provide insights into the links between m6A readers and human liver diseases.
Main Methods:
- Literature review focusing on m6A readers in liver disease pathogenesis.
- Analysis of m6A reader recognition and regulatory mechanisms on mRNA.
- Synthesis of current research on m6A readers in liver cancer, viral hepatitis, NAFLD, HF, and ALI.
Main Results:
- m6A readers play critical roles in regulating gene expression relevant to liver disease.
- Abnormal expression of m6A readers influences the fate of gene transcripts in liver pathologies.
- Specific m6A readers are implicated in the development and progression of diverse liver conditions.
Conclusions:
- m6A readers are key mediators in the molecular pathways of liver diseases.
- Understanding m6A reader functions offers potential therapeutic targets for liver disease treatment.
- This review highlights the significant impact of m6A readers on liver health and disease.
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