Related Experiment Video

Updated: Jan 13, 2026

Continuous Fluorescence-Based Endonuclease-Coupled DNA Methylation Assay to Screen for DNA Methyltransferase Inhibitors
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The Role of DNA and RNA Methylation in Cancer: Mechanisms and Therapeutic Potential of Epigenetic and

Julia Pisarek1, Marta Koblowska2

  • 1Wydział Biologii, Uniwersytet Warszawski.

Postepy Biochemii
|January 8, 2026
PubMed

Insights

Chemical modifications like DNA and RNA methylation are crucial for gene regulation and cellular function. Aberrant patterns, particularly in cancer, highlight their role in disease and potential as therapeutic targets.

Area of Science:

  • Molecular Biology
  • Epigenetics
  • Cancer Biology

Background:

  • Chemical modifications of DNA and RNA, such as 5-methylcytosine (5mC) and N6-methyladenosine (m⁶A), are key regulators of gene expression.
  • These modifications control cellular functions and adaptation, with m⁶A being the primary epitranscriptomic mark.
  • Proteins including methyltransferases, demethylases, and reader proteins orchestrate these modifications, translating them into biological responses.

Purpose of the Study:

  • To explore the role of DNA and RNA methylation in gene expression regulation.
  • To investigate the involvement of aberrant 5mC and m⁶A patterns in human diseases, particularly cancer.
  • To highlight the potential of these dynamic modifications as diagnostic and therapeutic targets in oncology.

Main Methods:

  • Review of existing literature on DNA and RNA methylation.
  • Analysis of the regulatory mechanisms involving methyltransferases, demethylases, and reader proteins.
  • Examination of the link between aberrant methylation patterns and disease pathogenesis.

Main Results:

  • DNA and RNA methylation are critical for precise control of cellular functions and adaptation.
  • Dysregulation of 5mC and m⁶A patterns is implicated in the pathogenesis of numerous diseases, including cancer.
  • Aberrant methylation affects genes controlling proliferation, apoptosis, and genome stability, potentially driving tumor progression.

Conclusions:

  • The coordinated action of specific proteins regulates DNA and RNA methylation patterns.
  • Aberrant methylation patterns are significant contributors to cancer development and progression.
  • The reversible nature of DNA and RNA methylation offers promising avenues for cancer diagnostics and therapeutics.

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