Methyltransferase-like 3 is a target for the diagnose and therapy of clear cell renal carcinoma
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Updated: May 9, 2025

Continuous Fluorescence-Based Endonuclease-Coupled DNA Methylation Assay to Screen for DNA Methyltransferase Inhibitors
Published on: August 5, 2022
1Department of Emergency, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Ministry of Education), West China Second University Hospital, Sichuan University, Chengdu, China.
Abstract:
Patients diagnosed with clear cell renal carcinoma (ccRCC) frequently exhibit metastatic disease, which complicates treatment strategies, underscoring the urgent need for mechanistic insights and early diagnostic biomarkers. Current research is dedicated to uncovering the mechanisms behind ccRCC development and resistance to treatment, with a particular focus on the role of methyltransferase-like 3 (METTL3) in RNA N6-methyladenosine modification, a key gene regulatory process. This review synthesizes current evidence on METTL3's functions, revealing its oncogenic activity through m6A-mediated regulation of RNA stability and translation, which promotes tumor progression, metastasis, and chemoresistance. We further explore METTL3's dual diagnostic and therapeutic relevance, including its utility as a prognostic biomarker and its targeting via novel strategies such as small-molecule inhibitors (e.g., Erianin) and combination therapies with mTOR or immune checkpoint inhibitors. By consolidating these advances, this review positions METTL3 as a critical node for advancing precision medicine in ccRCC.
Insights
Methyltransferase-like 3 (METTL3) drives clear cell renal cell carcinoma (ccRCC) progression and chemoresistance by regulating RNA modifications. Targeting METTL3 offers new avenues for ccRCC diagnosis and precision medicine.
Area of Science:
- Oncology
- Molecular Biology
- Epigenetics
Background:
- Clear cell renal cell carcinoma (ccRCC) often presents with metastatic disease, necessitating improved understanding of its development and treatment resistance.
- Methyltransferase-like 3 (METTL3) is a key enzyme in RNA N6-methyladenosine (m6A) modification, a crucial gene regulatory process implicated in cancer.
Purpose of the Study:
- To review the current evidence on METTL3's role in ccRCC pathogenesis, progression, and treatment resistance.
- To explore the diagnostic and therapeutic potential of METTL3 in ccRCC management.
Main Methods:
- Literature review synthesizing current research on METTL3's function in ccRCC.
- Analysis of METTL3's involvement in RNA stability, translation, tumor progression, metastasis, and chemoresistance.
- Evaluation of METTL3 as a prognostic biomarker and therapeutic target.
Main Results:
- METTL3 exhibits oncogenic activity in ccRCC by promoting tumor progression, metastasis, and chemoresistance via m6A-mediated RNA regulation.
- METTL3 demonstrates potential as a prognostic biomarker for ccRCC patients.
- Novel therapeutic strategies targeting METTL3, including small-molecule inhibitors and combination therapies, are emerging.
Conclusions:
- METTL3 is a critical factor in ccRCC development and progression.
- Targeting METTL3 presents a promising strategy for advancing precision medicine in ccRCC treatment.
- Further research into METTL3 inhibitors and combination therapies is warranted for effective ccRCC management.
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