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Matti Narkia

Key Protein May Explain The Anti-aging And Anti-cancer Benefits Of Dietary Restriction - 0 views

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    ScienceDaily (May 26, 2009) - A protein that plays a key role in tumor formation, oxygen metabolism and inflammation is involved in a pathway that extends lifespan by dietary restriction. The finding, which appears in the May 22, 2009 edition of the online journal PLoS Genetics, provides a new understanding of how dietary restriction contributes to longevity and cancer prevention and gives scientists new targets for developing and testing drugs that could extend the healthy years of life.
Matti Narkia

Access : Tumours with PI3K activation are resistant to dietary restriction : Nature - 0 views

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    Tumours with PI3K activation are resistant to dietary restriction.
    Nada Y. Kalaany & David M. Sabatini
    Nature. Published online 11 March 2009
    doi:10.1038/nature07782
Matti Narkia

Cancer Journal: Latest cancer research Link between cancer and dietary restriction | ec... - 0 views

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    A signalling pathway that influences how sensitive cancer cells are to the beneficial effects of dietary restriction is described in this week's Nature.
    Dietary restriction - eating less calories while maintaining essential vitamins and minerals - can extend lifespan, and reduce cancer incidence and growth. But some types of cancer cell are more sensitive to the anti-growth effects of dietary restriction than others, Nada Kalaany and David Sabatini report. The effect hinges on the activity of the phosphatidylinositol-3-kinase (PI3K) pathway. If the pathway is active, dietary restriction has no effect on cancer cells. However, if the pathway is inactive, tumours are sensitive to dietary restriction.
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