The role of DNA repair pathways in cisplatin resistant lung cancer
O’Grady, Shane, Finn, Stephen P., Cuffe, Sinead, Richard, Derek J., O’Byrne, Kenneth J., & Barr, Martin P. (2014) The role of DNA repair pathways in cisplatin resistant lung cancer. Cancer Treatment Reviews, 40(10), pp. 1161-1170.
Platinum chemotherapeutic agents such as cisplatin are currently used in the treatment of various malignancies such as lung cancer. However, their efficacy is significantly hindered by the development of resistance during treatment. While a number of factors have been reported that contribute to the onset of this resistance phenotype, alterations in the DNA repair capacity of damaged cells is now recognised as an important factor in mediating this phenomenon. The mode of action of cisplatin has been linked to its ability to crosslink purine bases on the DNA, thereby interfering with DNA repair mechanisms and inducing DNA damage. Following DNA damage, cells respond by activating a DNA-damage response that either leads to repair of the lesion by the cell thereby promoting resistance to the drug, or cell death via activation of the apoptotic response. Therefore, DNA repair is a vital target to improving cancer therapy and reduce the resistance of tumour cells to DNA damaging agents currently used in the treatment of cancer patients. To date, despite the numerous findings that differential expression of components of the various DNA repair pathways correlate with response to cisplatin, translation of such findings in the clinical setting are still warranted. The identification of alterations in specific proteins and pathways that contribute to these unique DNA repair pathways in cisplatin resistant cancer cells may potentially lead to a renewed interest in the development of rational novel therapies for cisplatin resistant cancers, in particular, lung cancer.
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|Item Type:||Journal Article|
|Keywords:||Cisplatin, DNA repair, Lung cancer, Resistance|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
|Copyright Owner:||Copyright 2014 Elsevier|
|Deposited On:||11 Jun 2015 23:25|
|Last Modified:||15 Jun 2015 00:24|
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