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Ubiquitylation-Mediated Fine-Tuning of DNA Double-Strand Break Repair

Barbara N Borsos1, Hajnalka Majoros1, Tibor Pankotai1

  • 1Department of Oral Biology and Experimental Dental Research, Faculty of Dentistry, University of Szeged, 83 Tisza L. Krt. H-6722 Szeged, Hungary.

Cancers
|June 24, 2020
PubMed

Insights

DNA repair is crucial for preventing genome instability and cancer. This review highlights ubiquitylation and deubiquitylation as key regulators in DNA double-strand break repair pathways.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Biochemistry

Background:

  • DNA damage accumulation causes genome instability and oncogenesis.
  • Post-translational modifications (PTMs) regulate DNA repair.
  • Ubiquitylation and deubiquitylation are critical for coordinating repair protein dynamics.

Purpose of the Study:

  • To summarize key PTMs in DNA double-strand break repair.
  • To emphasize the role of ubiquitylation-related processes in DNA repair regulation.

Main Methods:

  • Literature review of DNA repair mechanisms.
  • Focus on ubiquitylation and deubiquitylation in DNA repair pathways.

Main Results:

  • PTMs are essential for precise DNA repair.
  • Ubiquitylation/deubiquitylation dynamically control repair protein localization.
  • These processes are central to managing DNA double-strand breaks.

Conclusions:

  • Ubiquitylation and deubiquitylation are pivotal regulators of DNA repair.
  • Understanding these modifications is key to addressing genome instability and cancer.
Keywords:
DNA repairDSBPTMdeubiquitylationubiquitylation

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