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Abstract Title:

Ascorbic acid does not reduce the anticancer effect of radiotherapy.

Abstract Source:

Biomed Rep. 2017 Jan ;6(1):103-107. Epub 2016 Nov 29. PMID: 28123717

Abstract Author(s):

Yoichiro Hosokawa, Ryo Saga, Satoru Monzen, Shingo Terashima, Eichi Tsuruga

Article Affiliation:

Yoichiro Hosokawa

Abstract:

The present study hypothesized that the therapeutic use of ascorbic acid (AsA) in combination with radiation may reduce therapy-related side effects and increase the antitumor effects. The aim of the study was to examine the association between the scavenged activity of AsA and the biological anticancer effect of hydroxyl (OH) radicals generated by X-ray irradiation. Cell survival, DNA fragmentation of human leukemia HL60 cells and the amount of OH radicals were investigated following X-ray irradiation and AsA treatment. The number of living cells decreased, and DNA fragmentation increased at AsA concentrations>1 mM. Electron spin resonance spectra revealed that X-ray irradiation generated OH radicals, which were scavenged by AsA at concentrations>75µM. The AsA concentration inside the cell was 75 µM when cells underwent extracellular treatment with 5 mM AsA, which significantly induced HL60 cell death even without irradiation. No increase in the number of viable HL60 cells was observed following AsA treatment with irradiation when compared to irradiation alone. In conclusion, the disappearance of the radiation anticancer effects with AsA treatment in combination with radiotherapy for cancer treatment is not a cause for concern.

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Sayer Ji
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Easy Turmeric recipes + The Dark Side of Wheat

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