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Aberrant Regulation of mRNA m⁶A Modification in Cancer Development
Junyun Luo1, Hui Liu2, Siyu Luan3
1State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan University, Changsha 410082, China. junyluo@126.com.
Abstract:
N⁶-methyladenosine (m⁶A) is the most prevalent internal modification of eukaryotic messenger RNAs (mRNAs). The m⁶A modification in RNA can be catalyzed by methyltransferases, or removed by demethylases, which are termed m⁶A writers and erasers, respectively. Selective recognition and binding by distinct m⁶A reader proteins lead mRNA to divergent destinies. m⁶A has been reported to influence almost every stage of mRNA metabolism and to regulate multiple biological processes. Accumulating evidence strongly supports the correlation between aberrant cellular m⁶A level and cancer. We summarize here that deregulation of m⁶A modification, resulting from aberrant expression or function of m⁶A writers, erasers, readers or some other protein factors, is associated with carcinogenesis and cancer progression. Understanding the regulation and functional mechanism of mRNA m⁶A modification in cancer development may help in developing novel and efficient strategies for the diagnosis, prognosis and treatment of human cancers.
Insights
N⁶-methyladenosine (m⁶A) RNA modification is crucial in biological processes. Aberrant m⁶A levels in cancer, driven by writers, erasers, and readers, are linked to disease progression, offering new diagnostic and therapeutic targets.
Area of Science:
- Molecular Biology
- Epigenetics
- Cancer Research
Background:
- N⁶-methyladenosine (m⁶A) is the most abundant internal modification in eukaryotic messenger RNAs (mRNAs).
- m⁶A modification is dynamically regulated by m⁶A 'writers' (methyltransferases) and 'erasers' (demethylases), and its fate is determined by m⁶A 'reader' proteins.
- m⁶A influences multiple stages of mRNA metabolism and various biological processes.
Purpose of the Study:
- To summarize the role of m⁶A RNA modification in cancer development.
- To highlight the association between dysregulated m⁶A levels and carcinogenesis.
- To explore the potential of m⁶A machinery in cancer diagnosis, prognosis, and treatment.
Main Methods:
- Literature review and synthesis of existing research on m⁶A modification in cancer.
- Analysis of the roles of m⁶A writers, erasers, and readers in cancer progression.
- Discussion of the implications of m⁶A deregulation for cancer biology.
Main Results:
- Aberrant cellular m⁶A levels are strongly correlated with cancer.
- Deregulation of m⁶A writers, erasers, or readers is associated with carcinogenesis and cancer progression.
- m⁶A modification impacts multiple cellular pathways relevant to cancer.
Conclusions:
- Dysregulation of the m⁶A RNA modification machinery is implicated in human cancers.
- Understanding m⁶A regulation in cancer can lead to novel diagnostic and therapeutic strategies.
- Targeting m⁶A pathways may offer new avenues for cancer treatment.
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