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Chromatin regulators in DNA replication and genome stability maintenance during S-phase
Anastas Gospodinov1, Stefka Dzhokova1, Maria Petrova1
1Roumen Tsanev Institute of Molecular Biology, Bulgarian Academy of Sciences, Sofia, Bulgaria.
Advances in Protein Chemistry and Structural Biology
|April 15, 2023
Summary
Genetic information duplication is vital for life, requiring strict control to prevent replication stress, a key driver of cancer genome instability. This review explores chromatin regulators
Area of Science:
- Molecular Biology
- Cell Biology
- Cancer Biology
Background:
- DNA replication is fundamental to cell division and must be tightly regulated to ensure genomic stability.
- Replication stress, arising from factors impeding DNA replication forks, is a significant contributor to genome instability and cancer development.
- Chromatin structure, influenced by histone modifications and remodeling, plays a crucial role in regulating DNA replication and responding to replication stress.
Purpose of the Study:
- To review the roles of chromatin regulators in ensuring accurate DNA replication.
- To discuss how chromatin regulators help prevent and respond to replication stress.
- To explore the therapeutic potential of targeting replication stress in cancer.
Main Methods:
- Literature review of studies on DNA replication, replication stress, and chromatin regulation.
- Analysis of the mechanisms by which chromatin regulators impact fork progression and stability.
- Examination of the link between chromatin regulator mutations and cancer.
Main Results:
- Chromatin alterations are critical for normal replication and mitigating replication stress.
- Specific chromatin regulators are essential for maintaining genome integrity during replication.
- Dysregulation of chromatin regulators contributes to cancer development through replication stress.
Conclusions:
- Chromatin regulators are key players in DNA replication and the cellular response to replication stress.
- Targeting chromatin regulators offers promising avenues for cancer therapy by exploiting replication stress.
- Understanding these mechanisms can lead to personalized treatment strategies for cancer patients.
Keywords:
Chromatin dynamicsChromatin remodelingDNA replicationDNA replication stressGenome stabilityHistone post-translational modificationsReplication-transcription conflictsMore Related Videos
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