Posted on 08/21/2006 6:52:42 PM PDT by annie laurie
The secret to longevity genes may lie in their potent power to fight off cancer.
Over the years, biologists have discovered a handful of genes in roundworms, mice and flies that bestow a dramatic increase in lifespan on the organism that carries it – sometimes up to twice their normal life expectancy.
These genes are involved in diverse biochemical pathways including those for growth hormones, insulin, food intake and caloric restriction. But it is thought that they are all have a role in how the body responds to stress.
Julie Pinkston at the University of California in San Francisco, US, and colleagues, wondered if these longevity genes had something else in common: the power to fight cancer – a notoriously age-related disease ...
(Excerpt) Read more at newscientist.com ...
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