Cellular responding kinetics based on a model of gene regulatory networks under radiotherapy
Jin-Peng Qi, Yong-Sheng Ding, Shi-Huang Shao, Xian-Hui Zeng, Kuo-Chen Chou
DOI: 10.4236/health.2010.22021   PDF   HTML     5,194 Downloads   9,037 Views   Citations


Radiotherapy can cause DNA damage into cells, triggering the cell cycle arrest and cell apop-tosis through complicated interactions among vital genes and their signal pathways. In order to in-depth study the complicated cellular res- ponses under such a circumstance, a novel mo- del for P53 stress response networks is pro- posed. It can be successfully used to simulate the dynamic processes of DNA damage trans-ferring, ATM and ARF activation, regulations of P53-MDM2 feedback loop, as well as the toxins degradation. Particularly, it has become feasible to predict the outcomes of cellular response in fighting against genome stresses. Consequently, the new model has provided a reasonable framework for analyzing the complicated regu-lations of P53 stress response networks, as well as investigating the mechanisms of the cellular self-defense under radiotherapy.

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Qi, J. , Ding, Y. , Shao, S. , Zeng, X. and Chou, K. (2010) Cellular responding kinetics based on a model of gene regulatory networks under radiotherapy. Health, 2, 137-146. doi: 10.4236/health.2010.22021.

Conflicts of Interest

The authors declare no conflicts of interest.


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