Glutathione analogues in cancer treatment - PubMed (original) (raw)

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Glutathione analogues in cancer treatment

David Hamilton et al. Curr Oncol Rep. 2004 Mar.

Abstract

Glutathione is an important intracellular antioxidant and redox potential regulator that plays a vital role in drug detoxification and elimination and in cellular protection from damage by free radicals, peroxides, and toxins. Molecular alterations reported in many of the components of the glutathione system in various tumors and cancer cell lines can lead to increased survival and enhanced chemotherapy drug resistance. Several glutathione analogues that target this system have been developed and used experimentally and clinically in an attempt to improve cancer chemotherapy. These compounds include glutathione-S-transferase inhibitors and prodrugs, glyoxalase I inhibitors, and S-nitrosoglutathione. Work with these analogues has shown promising results, although lack of tumor specificity is a potential problem. Continuing development and optimization of glutathione analogues will lead to more specific targeting of this system in cancer treatment, allowing an increased therapeutic response.

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