DOI: 10.21276/ajptr
Thu, 23 May 2019

Radiosensitization effect of Selenium on the ''Warburg effect'', Metabolism of hypoxic Oral Squamous cell Carcinoma

Sonaa Elango1*, Usha Subbiah2

1.Dept of Life Science,School of Natural Sciences, University of Suwon,312, Wau-ri, Bongdam -eup, Hwaseong-si, Gyeonggi - do, 445-743.Republic of Korea.

2.Human Genetics Laboratory, Central Research Facility, Sree Balaji Dental College and Hospital and Sree Balaji Medical College and Hospital, Barath University, Chennai


One of the hallmarks of oral cancer is its inherent insensitivity to Radiotherapy. We have analysed the tumor metabolites and quantization of biochemical and bioenergetic metabolites by NMR spectroscopic analysis. In this study, trace element selenium exhibit dual nature in oxic and hypoxic conditions as an antioxidant and anticarcinogen respectively, indexing its radiosensitising effect, denoting a remarkable decrease in tumor mass with the gradual disappearance of tumor characteristics and oxidative stress in oral cancer cases undergoing radiotherapy. Dual role of selenium as a radio sensitizer and radio-protector could warrant a significant progress in the cancer patients, as an adjuvant to the conventional therapies in oral cancer management.

Key words: Selenium, Free radicals, Oral cancer, Radiosensitisation, Radiotherapy. 

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