Green tea polyphenols and cancer: biologic mechanisms and practical implications

Article Abstract:

The beneficial components in green tea, a non-fermented version of black tea, may protect against cancer and other diseases. Polyphenols, especially epicatechin, are plentiful in green tea and have shown promising therapeutic value. The molecular mechanisms activated by green tea include cell death, inhibition of tyrosine kinase action, cell proliferation, and tumor activity. Green tea is also inexpensive, is taken orally, is minimally toxic while highly effective, and has no known side effects.

Care and treatment, Cancer treatment, Alternative medicine, Polyphenols, Green tea

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Prooxidant actions of carotenoids in biologic systems

Article Abstract:

Evidence suggests the antioxidant activity of carotenoids may shift to prooxidant activity, depending on the redox potential of the molecules and their biological environment. Oxygen tension, carotenoid concentration and interactions with other antioxidants appear to influence the prooxidant factor. Prooxidant can be either beneficial or harmful in biologic systems.

Complications and side effects, Carotenes

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Carotenoids and gene regulation

Article Abstract:

This article examines conflicting medical research on the role of dietary carotenoids in preventing carcinogenesis. Research discussed includes models of carcinogenesis, and the gene connexin 43, whose expression is linked to dietary carotenoids.

Statistical Data Included, Research, Reports, Cancer research, Genetic aspects, Cancer genetics, Carcinogenesis, Oncology, Experimental

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