期刊
TUMOR BIOLOGY
卷 33, 期 3, 页码 701-706出版社
SAGE PUBLICATIONS LTD
DOI: 10.1007/s13277-011-0288-9
关键词
Chemophototherapy; Reactive oxygen species; Photosensitizer; Cell cycle; Cancer
类别
资金
- ICMR, India
The present review deals with the genetic implications of reactive oxygen species (ROS) to enhance horizons of chemophototherapy toward novel approaches for the treatment of various cancers. ROS are species of oxygen which are in a more reactive state than molecular oxygen. ROS play essential roles in vivo such as redox regulation, gene expression, immune response and many other cellular events. ROS generated by anticancer drugs during chemophototherapy may be associated with the activation of signal molecules like PKC, transcription factor NF-kappaB as well as destabilization of mitochondrial membrane inducing the release of apoptosis inducing agents like cytochrome c, resulting in toxicity to cancer cells. Thus, we suggest that anticancer drugs on exposure to light may generate oxidative stress following Fenton-like reaction generating hydroxyl radical. This may get on specific cell cycle receptors which may lead to cell cycle arrest and subsequently cytotoxic death of cancer cells.
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