Oxidative Stress Induces Mitochondrial DNA Damage and Cytotoxicity through Independent Mechanisms in Human Cancer Cells

Intrinsic oxidative stress through increased production of reactive oxygen species (ROS) is associated with carcinogenic transformation, cell toxicity, and DNA damage. Mitochondrial DNA (mtDNA) is a natural surrogate to oxidative DNA damage. MtDNA damage results in the loss of its supercoiled struct...

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Bibliographic Details
Main Authors: Yue Han, Junjian Z. Chen
Format: Article
Language:English
Published: Hindawi Limited 2013-01-01
Series:BioMed Research International
Online Access:http://dx.doi.org/10.1155/2013/825065