Reduced glutathione (GSH), a ubiquitous thiol-containing tripeptide, is unanimously recognized to play a central role in cell biology. It is highly implicated in the cellular defense against xenobiotics and naturally occurring deleterious compounds such as free radicals and hydroperoxides. Consequently, GSH is an essential actor in several human diseases including cancer and cardio-vascular diseases. Its implication in oncogenesis has led to the development of new strategies to improve both prevention and treatment of cancer. The present review proposes an in depth analysis or our current knowledge of the relations between GSH and cancer.

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