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Cyclin E/CDK2: DNA Replication, Replication Stress and Genomic Instability.

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Studying Age-dependent Genomic Instability using the S. cerevisiae Chronological Lifespan Model
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Cyclin E Deregulation and Genomic Instability.

Leonardo K Teixeira1, Steven I Reed2

  • 1Program of Cell Biology, Brazilian National Cancer Institute (INCA), Rio de Janeiro, RJ, Brazil.

Advances in Experimental Medicine and Biology
|January 23, 2018
PubMed
Summary
This summary is machine-generated.

Deregulation of cyclin E/CDK2 disrupts DNA replication and chromosome segregation, leading to genomic instability and cancer. Understanding these mechanisms is crucial for cancer prevention and treatment.

Keywords:
CDK2CancerCell cycleChromosome aberrationCyclin EFBW7Fragile sitesGenomic instabilityReplication stress

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Genetics

Background:

  • Genome stability relies on precise DNA replication and chromosome distribution.
  • Eukaryotic cell cycle separates DNA replication (S phase) and chromosome segregation (M phase).
  • Cyclin E/CDK2 complex regulates entry into S phase.

Purpose of the Study:

  • To explore the link between cyclin E/CDK2 deregulation and genomic instability.
  • To elucidate molecular mechanisms of cyclin E/CDK2-induced replication stress and chromosome aberrations.
  • To understand the role of cyclin E/CDK2 in carcinogenesis.

Main Methods:

  • Review of existing literature and experimental findings.
  • Analysis of molecular pathways involving cyclin E and CDK2.
  • Examination of evidence from various model systems.

Main Results:

  • Cyclin E/CDK2 deregulation is associated with replication stress during S phase.
  • Errors in chromosome segregation during M phase are linked to cyclin E/CDK2 dysregulation.
  • These events contribute to genomic instability and cancer development.

Conclusions:

  • Cyclin E/CDK2 plays a critical role in maintaining genome stability.
  • Its deregulation is a significant factor in the development of cancer.
  • Targeting cyclin E/CDK2 pathways may offer therapeutic strategies.