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In the short term, glutathione-based systems should continue to provide viable targets and a platform for the development of novel cancer drugs.
An elevated tumor glutathione level at the time of diagnosis appears to confer a poor prognosis in patients with colorectal cancer.
In conclusion the glutathione content was associated with progression of ovarian carcinomas but neither glutathione nor glutathione S -transferases α and π or aldehyde dehydrogenase were independent factors of resistance to cyclophosphamide/carboplatin.
Journal ArticleDOI
David Hamilton, Gerald Batist 
31 Citations
Continuing development and optimization of glutathione analogues will lead to more specific targeting of this system in cancer treatment, allowing an increased therapeutic response.
Results of the study suggest that erythrocytes from cancer patients responded to oxidative stress by elevating glutathione levels, while a decrease in glutathione levels observed in Group B, could be due to the free radical scavenging effect of OF, sparing the glutathione.
With respect to cancer, glutathione metabolism is able to play both protective and pathogenic roles.
Our results indicate that determination of glutathione status and oxidative stress-related parameters in blood may help to orientate cancer therapy in humans.
Under these experimental conditions, the long term administration of glutathione appears to have no observable influence on liver cancer development in this model.
Our study suggests that dysregulation of glutathione levels in head and neck cancer has the potential to predict metastasis, and may serve as a prognostic marker.
Available evidence is consistent with this hypothesis, although a definitive role for glutathione system genes in lung cancer prognosis needs to be elucidated.
Currently, there are three randomized controlled trials that support the skin-lightening effect and good safety profile of topical and oral glutathione.