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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Willers, Henning Azzoli, Christopher G. Santivasi, Wil L. Xia, Fen |
| Description | Country affiliation: United States Author Affiliation: Willers H ( Department of Radiation Oncology, Massachusetts General Hospital Cancer Center, Harvard Medical School, Boston, MA, USA.) |
| Abstract | In recent years, there have been multiple breakthroughs in our understanding of lung cancer biology. Despite significant advances in molecular targeted therapies, DNA-damaging cytotoxic therapies will remain the mainstay of lung cancer management for the near future. Similar to the concept of personalized targeted therapies, there is mounting evidence that perturbations in DNA repair pathways are common in lung cancers, altering the resistance of the affected tumors to many chemotherapeutics as well as radiation. Defects in DNA repair may be due to a multitude of mechanisms including gene mutations, epigenetic events, and alterations in signal transduction pathways such as epidermal growth factor receptor and phosphoinositide 3-kinase/AKT. Functional biomarkers that assess the subcellular localization of central repair proteins in response to DNA damage may prove useful for individualization of cytotoxic therapies including poly(adenosine diphosphate-ribose) polymerase inhibitors. A better mechanistic understanding of cellular sensitivity and resistance to DNA damaging agents should facilitate the development of novel, individualized treatment approaches. Absolute resistance to radiation therapy, however, does not exist. To some extent, radiation therapy will always have to remain unselective and indiscriminant to eradicate persistent, drug-resistant tumor stem cell pools. |
| File Format | HTM / HTML |
| ISSN | 15289117 |
| e-ISSN | 1540336X |
| DOI | 10.1097/PPO.0b013e318292e4e3 |
| Journal | The Cancer Journal |
| Issue Number | 3 |
| Volume Number | 19 |
| Language | English |
| Publisher | Lippincott Williams & Wilkins |
| Publisher Date | 2013-05-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Oncology Drug Resistance, Neoplasm Lung Neoplasms Drug Therapy Radiotherapy Radiation Tolerance Animals Tumor Markers, Biological Genetics Metabolism Cell Hypoxia Cell Proliferation Dna Breaks, Double-stranded Dna Repair Pathology Tumor Burden Research Support, N.i.h., Extramural |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cancer Research Oncology |
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