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Published on: February 6, 2015
Modulation of DNA damage checkpoint; patenting and possible application for cancer medicine
Kazuhiro Ishikawa1, Hideshi Ishii, Keiichi Ichimura
1Department of Otolaryngology-Head and Neck Surgery, Center for Molecular Medicine, Jichi Medical University School of Medicine, Tochigi 329-0498, Japan. kazu-ish@jichi.ac.jp
Abstract:
Eukaryote cells survey genomic integrity for DNA damage or incomplete replication. Aberrant structures being detected, checkpoint mechanisms are activated to slow down or arrest cell cycle progression, which allow the DNA damage to be repaired and the replication to be completed. In cancer development, precancerous cells overcome selective pressure to escape from blocked cell cycle progression, induced by checkpoint responses to DNA damage. Medical applications targeting the process of DNA damage would lead to efficient repairs of DNA damage or induction of cell death, which contributes to cancer detection, diagnosis and therapeutic approaches. In this article, the recent progress of our knowledge and patenting in modulation of DNA damage checkpoint especially by Rad9-Chk1 pathway is noted and possible application for cancer medicine is discussed.
Insights
Eukaryote cells use DNA damage checkpoints to maintain genomic integrity. Targeting the Rad9-Chk1 pathway offers potential for cancer medicine by modulating these checkpoints for repair or cell death.
Area of Science:
- Molecular Biology
- Cell Biology
- Oncology
Background:
- Eukaryote cells possess checkpoint mechanisms to detect and respond to DNA damage or replication stress.
- These checkpoints halt cell cycle progression, allowing for DNA repair and completion of replication.
- Cancer cells often evade these checkpoints, contributing to tumor development.
Purpose of the Study:
- To review recent advancements in understanding DNA damage checkpoints.
- To discuss patenting activities related to modulating these pathways.
- To explore potential applications in cancer medicine.
Main Methods:
- Literature review of recent progress in DNA damage checkpoint research.
- Analysis of patent landscape concerning checkpoint modulation.
- Discussion of therapeutic strategies targeting DNA damage response pathways.
Main Results:
- The Rad9-Chk1 pathway is a key focus in DNA damage checkpoint modulation.
- Understanding these pathways is crucial for developing novel cancer therapies.
- Targeting DNA damage response can lead to either repair or cell death, impacting cancer treatment.
Conclusions:
- Modulating DNA damage checkpoints, particularly the Rad9-Chk1 pathway, holds significant promise for cancer medicine.
- Therapeutic strategies can be designed to exploit these mechanisms for cancer detection, diagnosis, and treatment.
- Further research and patenting in this area are vital for clinical translation.
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