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Updated: May 25, 2026

Imaging Approaches to Assessments of Toxicological Oxidative Stress Using Genetically-encoded Fluorogenic Sensors
Published on: February 7, 2018
Oxidative stress based-biomarkers in oral carcinogenesis: how far have we gone?
R Hanafi1, I Anestopoulos, G P Voulgaridou
1Department of Oral Pathology, Faculty of Dentistry, University of Suez Canal, Alexandria 21524, Egypt.
Abstract:
Oral cancer accounts for 2-3% of all malignancies and according to the World Health Organization (WHO) is the fifth most common cancer worldwide. On the other hand, "oxidative stress" implies a cellular state whereby reactive oxygen species (ROS) production exceeds its metabolism resulting in excessive ROS accumulation and overwhelmed cellular defenses. Such a state has been shown to be involved in the multistage process of human carcinogenesis (including oral cancer) via many different mechanisms. Amongst them are ROS-induced oxidative modifications on major cellular macromolecules like DNA, proteins and lipids with the resulting byproducts being involved in the pathophysiology of human oral malignant and pre-malignant lesions. Throughout this manuscript, we review the current state of knowledge on the role of these oxidative-modified cellular byproducts in serving as reliable biomarkers for oral cancer detection, prognosis and diagnosis.
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