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Replication Licensing Aberrations, Replication Stress, and Genomic Instability.

Michalis Petropoulos1, Spyridon Champeris Tsaniras2, Stavros Taraviras2

  • 1Department of Biology, School of Medicine, University of Patras, Patras 26504, Greece.

Trends in Biochemical Sciences
|May 6, 2019
PubMed
Summary
This summary is machine-generated.

Strict control over DNA replication licensing is crucial for genome stability. Aberrant licensing, linked to oncogene activation, causes replication stress and promotes cancer, suggesting it as an anticancer therapy target.

Keywords:
CDC6CDT1MCMORConcogenesreplication fork stallingreplication originstumorigenesis

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Area of Science:

  • Molecular Biology
  • Genetics
  • Cancer Research

Background:

  • DNA replication licensing is essential for accurate genome duplication and stability.
  • Dysregulation of replication licensing can lead to genomic instability and disease.

Purpose of the Study:

  • To explore the link between aberrant DNA replication licensing and oncogene-induced replication stress.
  • To highlight the role of replication licensing defects in tumorigenesis.
  • To discuss replication licensing as a potential target for anticancer therapies.

Main Methods:

  • Review of accumulating evidence on replication licensing.
  • Analysis of oncogene-induced replication stress mechanisms.
  • Discussion of cell cycle control in replication licensing.

Main Results:

  • Aberrant replication licensing is associated with oncogene-induced replication stress.
  • Defects in the timing and location of replication licensing contribute to genomic instability.
  • Replication stress resulting from licensing errors promotes tumor development.

Conclusions:

  • Replication licensing errors are a significant threat to genome stability and cancer progression.
  • Targeting replication licensing pathways may offer novel therapeutic strategies for cancer treatment.