Nanoparticle Induced Oxidative Stress in Cancer Cells: Adding New Pieces to an Incomplete Jigsaw Puzzle

  • Nogueira, Daniele Rubert (Departamento de Farmacia Industrial, Centro de Ciencias da Saude, Universidade Federal de Santa Maria) ;
  • Rolim, Clarice M. Bueno (Departamento de Farmacia Industrial, Centro de Ciencias da Saude, Universidade Federal de Santa Maria) ;
  • Farooqi, Ammad Ahmad (Laboratory For Translational Oncology and Personalized Medicine, Rashid Latif Medical College)
  • Published : 2014.06.30


Nanotechnology is an emerging field with many promising applications in drug delivery systems. Because of outstanding developments in this field, rapidly increasing research is directed to the development of nanocarriers that may enhance the availability of drugs to the target sites. Substantial fraction of information has been added into the existing scientific literature focusing on the fact that nanoparticles usually generate reactive oxygen species to a greater extent than micro-sized particles. It is worth mentioning that oxidative stress regulates an array of cell signaling cascades that resulted in cancer cell damage. Accumulating experimental evidence over the years has shown that wide-ranging biological mechanisms are triggered by these NPs in cultured cells due to the unique properties of engineered nanoparticles. In this review, we have attempted to provide an overview of the signaling cascades that are activated by oxidative stress in cancer cells in response to different kinds of nanomaterials, including quantum dots, metallic and polymeric nanoparticles.


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